Extensions 1→N→G→Q→1 with N=C₂² and Q=C₂²×Q₈

Direct product G=N×Q with N=C₂² and Q=C₂²×Q₈

		d	ρ	Label	ID
Q₈×C₂⁴		128		Q8xC2^4	128,2321

Semidirect products G=N:Q with N=C₂² and Q=C₂²×Q₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂²⋊₁(C₂²×Q₈) = C₂²×C₂²⋊Q₈	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	64		C2^2:1(C2^2xQ8)	128,2165
C₂²⋊₂(C₂²×Q₈) = C₂×D₄×Q₈	φ: C₂²×Q₈/C₂×Q₈ → C₂ ⊆ Aut C₂²	64		C2^2:2(C2^2xQ8)	128,2198

Non-split extensions G=N.Q with N=C₂² and Q=C₂²×Q₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².₁(C₂²×Q₈) = C₂²×C₈.C₄	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	64		C2^2.1(C2^2xQ8)	128,1646
C₂².₂(C₂²×Q₈) = C₂×M₄(2).C₄	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	32		C2^2.2(C2^2xQ8)	128,1647
C₂².₃(C₂²×Q₈) = M₄(2).₂₉C₂³	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	32	4	C2^2.3(C2^2xQ8)	128,1648
C₂².₄(C₂²×Q₈) = C₂×C₂³.₃₇C₂³	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	64		C2^2.4(C2^2xQ8)	128,2175
C₂².₅(C₂²×Q₈) = C₂×C₂³⋊₂Q₈	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	32		C2^2.5(C2^2xQ8)	128,2188
C₂².₆(C₂²×Q₈) = C₂×C₂³.₄₁C₂³	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	64		C2^2.6(C2^2xQ8)	128,2189
C₂².₇(C₂²×Q₈) = C₂².₄₇C₂⁵	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	32		C2^2.7(C2^2xQ8)	128,2190
C₂².₈(C₂²×Q₈) = C₂².₉₁C₂⁵	φ: C₂²×Q₈/C₂²×C₄ → C₂ ⊆ Aut C₂²	64		C2^2.8(C2^2xQ8)	128,2234
C₂².₉(C₂²×Q₈) = C₂×D₄⋊₃Q₈	φ: C₂²×Q₈/C₂×Q₈ → C₂ ⊆ Aut C₂²	64		C2^2.9(C2^2xQ8)	128,2204
C₂².₁₀(C₂²×Q₈) = Q₈×C₄○D₄	φ: C₂²×Q₈/C₂×Q₈ → C₂ ⊆ Aut C₂²	64		C2^2.10(C2^2xQ8)	128,2210
C₂².₁₁(C₂²×Q₈) = C₂².₉₀C₂⁵	φ: C₂²×Q₈/C₂×Q₈ → C₂ ⊆ Aut C₂²	32		C2^2.11(C2^2xQ8)	128,2233
C₂².₁₂(C₂²×Q₈) = C₂².₉₂C₂⁵	φ: C₂²×Q₈/C₂×Q₈ → C₂ ⊆ Aut C₂²	64		C2^2.12(C2^2xQ8)	128,2235
C₂².₁₃(C₂²×Q₈) = C₂².₉₃C₂⁵	φ: C₂²×Q₈/C₂×Q₈ → C₂ ⊆ Aut C₂²	64		C2^2.13(C2^2xQ8)	128,2236
C₂².₁₄(C₂²×Q₈) = C₂²×C₂.C₄²	central extension (φ=1)	128		C2^2.14(C2^2xQ8)	128,998
C₂².₁₅(C₂²×Q₈) = C₂×C₄×C₄⋊C₄	central extension (φ=1)	128		C2^2.15(C2^2xQ8)	128,1001
C₂².₁₆(C₂²×Q₈) = Q₈×C₄²	central extension (φ=1)	128		C2^2.16(C2^2xQ8)	128,1004
C₂².₁₇(C₂²×Q₈) = C₂×C₂³.₇Q₈	central extension (φ=1)	64		C2^2.17(C2^2xQ8)	128,1010
C₂².₁₈(C₂²×Q₈) = C₂×C₄²⋊₈C₄	central extension (φ=1)	128		C2^2.18(C2^2xQ8)	128,1013
C₂².₁₉(C₂²×Q₈) = C₂×C₄²⋊₉C₄	central extension (φ=1)	128		C2^2.19(C2^2xQ8)	128,1016
C₂².₂₀(C₂²×Q₈) = C₂³.₁₆₇C₂⁴	central extension (φ=1)	64		C2^2.20(C2^2xQ8)	128,1017
C₂².₂₁(C₂²×Q₈) = C₂×C₂³.₈Q₈	central extension (φ=1)	64		C2^2.21(C2^2xQ8)	128,1018
C₂².₂₂(C₂²×Q₈) = C₂×C₂³.₆₃C₂³	central extension (φ=1)	128		C2^2.22(C2^2xQ8)	128,1020
C₂².₂₃(C₂²×Q₈) = C₂×C₂³.₆₅C₂³	central extension (φ=1)	128		C2^2.23(C2^2xQ8)	128,1023
C₂².₂₄(C₂²×Q₈) = C₂×C₂³.₆₇C₂³	central extension (φ=1)	128		C2^2.24(C2^2xQ8)	128,1026
C₂².₂₅(C₂²×Q₈) = C₄²⋊₁₄Q₈	central extension (φ=1)	128		C2^2.25(C2^2xQ8)	128,1027
C₂².₂₆(C₂²×Q₈) = C₂³.₁₇₈C₂⁴	central extension (φ=1)	64		C2^2.26(C2^2xQ8)	128,1028
C₂².₂₇(C₂²×Q₈) = C₄×C₂²⋊Q₈	central extension (φ=1)	64		C2^2.27(C2^2xQ8)	128,1034
C₂².₂₈(C₂²×Q₈) = C₄×C₄².C₂	central extension (φ=1)	128		C2^2.28(C2^2xQ8)	128,1037
C₂².₂₉(C₂²×Q₈) = C₄×C₄⋊Q₈	central extension (φ=1)	128		C2^2.29(C2^2xQ8)	128,1039
C₂².₃₀(C₂²×Q₈) = C₂⁴.₉₁D₄	central extension (φ=1)	32		C2^2.30(C2^2xQ8)	128,1047
C₂².₃₁(C₂²×Q₈) = C₂⁴.₅₄₅C₂³	central extension (φ=1)	64		C2^2.31(C2^2xQ8)	128,1048
C₂².₃₂(C₂²×Q₈) = C₂³.₁₉₉C₂⁴	central extension (φ=1)	64		C2^2.32(C2^2xQ8)	128,1049
C₂².₃₃(C₂²×Q₈) = C₂³.₂₁₁C₂⁴	central extension (φ=1)	64		C2^2.33(C2^2xQ8)	128,1061
C₂².₃₄(C₂²×Q₈) = C₄².₃₃Q₈	central extension (φ=1)	128		C2^2.34(C2^2xQ8)	128,1062
C₂².₃₅(C₂²×Q₈) = C₄²⋊₄Q₈	central extension (φ=1)	128		C2^2.35(C2^2xQ8)	128,1063
C₂².₃₆(C₂²×Q₈) = Q₈×C₂²⋊C₄	central extension (φ=1)	64		C2^2.36(C2^2xQ8)	128,1072
C₂².₃₇(C₂²×Q₈) = C₂³.₂₂₇C₂⁴	central extension (φ=1)	64		C2^2.37(C2^2xQ8)	128,1077
C₂².₃₈(C₂²×Q₈) = D₄×C₄⋊C₄	central extension (φ=1)	64		C2^2.38(C2^2xQ8)	128,1080
C₂².₃₉(C₂²×Q₈) = C₂³.₂₃₁C₂⁴	central extension (φ=1)	64		C2^2.39(C2^2xQ8)	128,1081
C₂².₄₀(C₂²×Q₈) = Q₈×C₄⋊C₄	central extension (φ=1)	128		C2^2.40(C2^2xQ8)	128,1082
C₂².₄₁(C₂²×Q₈) = C₂³.₂₃₃C₂⁴	central extension (φ=1)	128		C2^2.41(C2^2xQ8)	128,1083
C₂².₄₂(C₂²×Q₈) = C₂³.₂₃₇C₂⁴	central extension (φ=1)	128		C2^2.42(C2^2xQ8)	128,1087
C₂².₄₃(C₂²×Q₈) = C₂⁴.₅₅₈C₂³	central extension (φ=1)	64		C2^2.43(C2^2xQ8)	128,1092
C₂².₄₄(C₂²×Q₈) = C₂³.₂₄₇C₂⁴	central extension (φ=1)	128		C2^2.44(C2^2xQ8)	128,1097
C₂².₄₅(C₂²×Q₈) = C₂³.₂₅₀C₂⁴	central extension (φ=1)	64		C2^2.45(C2^2xQ8)	128,1100
C₂².₄₆(C₂²×Q₈) = C₂³.₂₅₁C₂⁴	central extension (φ=1)	128		C2^2.46(C2^2xQ8)	128,1101
C₂².₄₇(C₂²×Q₈) = C₂³.₂₅₂C₂⁴	central extension (φ=1)	128		C2^2.47(C2^2xQ8)	128,1102
C₂².₄₈(C₂²×Q₈) = C₂³×C₄⋊C₄	central extension (φ=1)	128		C2^2.48(C2^2xQ8)	128,2152
C₂².₄₉(C₂²×Q₈) = Q₈×C₂²×C₄	central extension (φ=1)	128		C2^2.49(C2^2xQ8)	128,2155
C₂².₅₀(C₂²×Q₈) = C₂²×C₄².C₂	central extension (φ=1)	128		C2^2.50(C2^2xQ8)	128,2169
C₂².₅₁(C₂²×Q₈) = C₂²×C₄⋊Q₈	central extension (φ=1)	128		C2^2.51(C2^2xQ8)	128,2173
C₂².₅₂(C₂²×Q₈) = C₂×Q₈⋊₃Q₈	central extension (φ=1)	128		C2^2.52(C2^2xQ8)	128,2208
C₂².₅₃(C₂²×Q₈) = C₂×Q₈²	central extension (φ=1)	128		C2^2.53(C2^2xQ8)	128,2209
C₂².₅₄(C₂²×Q₈) = C₂×C₂³⋊Q₈	central stem extension (φ=1)	64		C2^2.54(C2^2xQ8)	128,1117
C₂².₅₅(C₂²×Q₈) = C₂×C₂³.₇₈C₂³	central stem extension (φ=1)	128		C2^2.55(C2^2xQ8)	128,1119
C₂².₅₆(C₂²×Q₈) = C₂×C₂³.Q₈	central stem extension (φ=1)	64		C2^2.56(C2^2xQ8)	128,1121
C₂².₅₇(C₂²×Q₈) = C₂×C₂³.₈₁C₂³	central stem extension (φ=1)	128		C2^2.57(C2^2xQ8)	128,1123
C₂².₅₈(C₂²×Q₈) = C₂×C₂³.₄Q₈	central stem extension (φ=1)	64		C2^2.58(C2^2xQ8)	128,1125
C₂².₅₉(C₂²×Q₈) = C₂×C₂³.₈₃C₂³	central stem extension (φ=1)	128		C2^2.59(C2^2xQ8)	128,1126
C₂².₆₀(C₂²×Q₈) = C₄².₁₆₂D₄	central stem extension (φ=1)	64		C2^2.60(C2^2xQ8)	128,1128
C₂².₆₁(C₂²×Q₈) = C₄²⋊₅Q₈	central stem extension (φ=1)	128		C2^2.61(C2^2xQ8)	128,1131
C₂².₆₂(C₂²×Q₈) = C₄².₃₄Q₈	central stem extension (φ=1)	128		C2^2.62(C2^2xQ8)	128,1134
C₂².₆₃(C₂²×Q₈) = C₂³.₃₀₉C₂⁴	central stem extension (φ=1)	64		C2^2.63(C2^2xQ8)	128,1141
C₂².₆₄(C₂²×Q₈) = C₂⁴.₂₅₂C₂³	central stem extension (φ=1)	64		C2^2.64(C2^2xQ8)	128,1149
C₂².₆₅(C₂²×Q₈) = C₂³.₃₂₃C₂⁴	central stem extension (φ=1)	64		C2^2.65(C2^2xQ8)	128,1155
C₂².₆₆(C₂²×Q₈) = C₂³.₃₂₉C₂⁴	central stem extension (φ=1)	64		C2^2.66(C2^2xQ8)	128,1161
C₂².₆₇(C₂²×Q₈) = C₂³.₃₃₄C₂⁴	central stem extension (φ=1)	64		C2^2.67(C2^2xQ8)	128,1166
C₂².₆₈(C₂²×Q₈) = C₂⁴⋊₄Q₈	central stem extension (φ=1)	32		C2^2.68(C2^2xQ8)	128,1169
C₂².₆₉(C₂²×Q₈) = C₂⁴.₅₆₇C₂³	central stem extension (φ=1)	64		C2^2.69(C2^2xQ8)	128,1170
C₂².₇₀(C₂²×Q₈) = C₂⁴.₂₆₇C₂³	central stem extension (φ=1)	64		C2^2.70(C2^2xQ8)	128,1171
C₂².₇₁(C₂²×Q₈) = C₂⁴.₅₆₈C₂³	central stem extension (φ=1)	64		C2^2.71(C2^2xQ8)	128,1172
C₂².₇₂(C₂²×Q₈) = C₂⁴.₂₆₈C₂³	central stem extension (φ=1)	64		C2^2.72(C2^2xQ8)	128,1173
C₂².₇₃(C₂²×Q₈) = C₂⁴.₅₆₉C₂³	central stem extension (φ=1)	64		C2^2.73(C2^2xQ8)	128,1174
C₂².₇₄(C₂²×Q₈) = C₂³.₃₄₆C₂⁴	central stem extension (φ=1)	128		C2^2.74(C2^2xQ8)	128,1178
C₂².₇₅(C₂²×Q₈) = C₂³.₃₄₉C₂⁴	central stem extension (φ=1)	64		C2^2.75(C2^2xQ8)	128,1181
C₂².₇₆(C₂²×Q₈) = C₂³.₃₅₀C₂⁴	central stem extension (φ=1)	64		C2^2.76(C2^2xQ8)	128,1182
C₂².₇₇(C₂²×Q₈) = C₂³.₃₅₁C₂⁴	central stem extension (φ=1)	128		C2^2.77(C2^2xQ8)	128,1183
C₂².₇₈(C₂²×Q₈) = C₂³.₃₅₂C₂⁴	central stem extension (φ=1)	64		C2^2.78(C2^2xQ8)	128,1184
C₂².₇₉(C₂²×Q₈) = C₂³.₃₅₃C₂⁴	central stem extension (φ=1)	128		C2^2.79(C2^2xQ8)	128,1185
C₂².₈₀(C₂²×Q₈) = C₂³.₃₅₄C₂⁴	central stem extension (φ=1)	64		C2^2.80(C2^2xQ8)	128,1186
C₂².₈₁(C₂²×Q₈) = C₂³.₃₆₂C₂⁴	central stem extension (φ=1)	128		C2^2.81(C2^2xQ8)	128,1194
C₂².₈₂(C₂²×Q₈) = C₂⁴.₂₈₅C₂³	central stem extension (φ=1)	64		C2^2.82(C2^2xQ8)	128,1197
C₂².₈₃(C₂²×Q₈) = C₂⁴.₅₇₂C₂³	central stem extension (φ=1)	64		C2^2.83(C2^2xQ8)	128,1205
C₂².₈₄(C₂²×Q₈) = C₂⁴.₃₀₀C₂³	central stem extension (φ=1)	64		C2^2.84(C2^2xQ8)	128,1219
C₂².₈₅(C₂²×Q₈) = C₂³.₃₉₂C₂⁴	central stem extension (φ=1)	64		C2^2.85(C2^2xQ8)	128,1224
C₂².₈₆(C₂²×Q₈) = C₂³.₃₉₇C₂⁴	central stem extension (φ=1)	64		C2^2.86(C2^2xQ8)	128,1229
C₂².₈₇(C₂²×Q₈) = C₂³.₄₀₂C₂⁴	central stem extension (φ=1)	64		C2^2.87(C2^2xQ8)	128,1234
C₂².₈₈(C₂²×Q₈) = C₂³.₄₀₅C₂⁴	central stem extension (φ=1)	64		C2^2.88(C2^2xQ8)	128,1237
C₂².₈₉(C₂²×Q₈) = C₂³.₄₀₆C₂⁴	central stem extension (φ=1)	128		C2^2.89(C2^2xQ8)	128,1238
C₂².₉₀(C₂²×Q₈) = C₂³.₄₀₇C₂⁴	central stem extension (φ=1)	128		C2^2.90(C2^2xQ8)	128,1239
C₂².₉₁(C₂²×Q₈) = C₂³.₄₀₈C₂⁴	central stem extension (φ=1)	128		C2^2.91(C2^2xQ8)	128,1240
C₂².₉₂(C₂²×Q₈) = C₂³.₄₀₉C₂⁴	central stem extension (φ=1)	128		C2^2.92(C2^2xQ8)	128,1241
C₂².₉₃(C₂²×Q₈) = C₂³.₄₁₁C₂⁴	central stem extension (φ=1)	128		C2^2.93(C2^2xQ8)	128,1243
C₂².₉₄(C₂²×Q₈) = C₂³.₄₂₀C₂⁴	central stem extension (φ=1)	128		C2^2.94(C2^2xQ8)	128,1252
C₂².₉₅(C₂²×Q₈) = C₂³.₄₂₂C₂⁴	central stem extension (φ=1)	64		C2^2.95(C2^2xQ8)	128,1254
C₂².₉₆(C₂²×Q₈) = C₄².₁₆₆D₄	central stem extension (φ=1)	64		C2^2.96(C2^2xQ8)	128,1270
C₂².₉₇(C₂²×Q₈) = C₄².₁₆₇D₄	central stem extension (φ=1)	64		C2^2.97(C2^2xQ8)	128,1274
C₂².₉₈(C₂²×Q₈) = C₄².₁₆₉D₄	central stem extension (φ=1)	128		C2^2.98(C2^2xQ8)	128,1278
C₂².₉₉(C₂²×Q₈) = C₂³.₄₄₉C₂⁴	central stem extension (φ=1)	64		C2^2.99(C2^2xQ8)	128,1281
C₂².₁₀₀(C₂²×Q₈) = C₄²⋊₆Q₈	central stem extension (φ=1)	128		C2^2.100(C2^2xQ8)	128,1282
C₂².₁₀₁(C₂²×Q₈) = C₄²⋊₇Q₈	central stem extension (φ=1)	128		C2^2.101(C2^2xQ8)	128,1283
C₂².₁₀₂(C₂²×Q₈) = C₄².₃₅Q₈	central stem extension (φ=1)	128		C2^2.102(C2^2xQ8)	128,1284
C₂².₁₀₃(C₂²×Q₈) = C₂³.₄₅₆C₂⁴	central stem extension (φ=1)	64		C2^2.103(C2^2xQ8)	128,1288
C₂².₁₀₄(C₂²×Q₈) = C₄².₁₇₃D₄	central stem extension (φ=1)	64		C2^2.104(C2^2xQ8)	128,1295
C₂².₁₀₅(C₂²×Q₈) = C₂⁴.₅₈₃C₂³	central stem extension (φ=1)	64		C2^2.105(C2^2xQ8)	128,1296
C₂².₁₀₆(C₂²×Q₈) = C₄².₁₇₄D₄	central stem extension (φ=1)	128		C2^2.106(C2^2xQ8)	128,1297
C₂².₁₀₇(C₂²×Q₈) = C₄².₁₇₅D₄	central stem extension (φ=1)	64		C2^2.107(C2^2xQ8)	128,1298
C₂².₁₀₈(C₂²×Q₈) = C₄².₁₇₆D₄	central stem extension (φ=1)	128		C2^2.108(C2^2xQ8)	128,1299
C₂².₁₀₉(C₂²×Q₈) = C₄².₁₇₇D₄	central stem extension (φ=1)	128		C2^2.109(C2^2xQ8)	128,1300
C₂².₁₁₀(C₂²×Q₈) = C₂⁴.₅₈₄C₂³	central stem extension (φ=1)	64		C2^2.110(C2^2xQ8)	128,1301
C₂².₁₁₁(C₂²×Q₈) = C₄².₃₆Q₈	central stem extension (φ=1)	128		C2^2.111(C2^2xQ8)	128,1302
C₂².₁₁₂(C₂²×Q₈) = C₄².₃₇Q₈	central stem extension (φ=1)	128		C2^2.112(C2^2xQ8)	128,1303
C₂².₁₁₃(C₂²×Q₈) = C₂⁴.₃₃₈C₂³	central stem extension (φ=1)	64		C2^2.113(C2^2xQ8)	128,1306
C₂².₁₁₄(C₂²×Q₈) = C₂³.₄₇₉C₂⁴	central stem extension (φ=1)	64		C2^2.114(C2^2xQ8)	128,1311
C₂².₁₁₅(C₂²×Q₈) = C₄².₁₇₈D₄	central stem extension (φ=1)	64		C2^2.115(C2^2xQ8)	128,1312
C₂².₁₁₆(C₂²×Q₈) = C₄².₁₇₉D₄	central stem extension (φ=1)	128		C2^2.116(C2^2xQ8)	128,1313
C₂².₁₁₇(C₂²×Q₈) = C₄².₁₈₀D₄	central stem extension (φ=1)	128		C2^2.117(C2^2xQ8)	128,1314
C₂².₁₁₈(C₂²×Q₈) = C₂³.₄₈₃C₂⁴	central stem extension (φ=1)	64		C2^2.118(C2^2xQ8)	128,1315
C₂².₁₁₉(C₂²×Q₈) = C₄².₁₈₁D₄	central stem extension (φ=1)	128		C2^2.119(C2^2xQ8)	128,1316
C₂².₁₂₀(C₂²×Q₈) = C₂³.₄₈₅C₂⁴	central stem extension (φ=1)	128		C2^2.120(C2^2xQ8)	128,1317
C₂².₁₂₁(C₂²×Q₈) = C₂³.₄₈₆C₂⁴	central stem extension (φ=1)	128		C2^2.121(C2^2xQ8)	128,1318
C₂².₁₂₂(C₂²×Q₈) = C₂⁴.₃₄₅C₂³	central stem extension (φ=1)	64		C2^2.122(C2^2xQ8)	128,1319
C₂².₁₂₃(C₂²×Q₈) = C₂³.₄₈₈C₂⁴	central stem extension (φ=1)	128		C2^2.123(C2^2xQ8)	128,1320
C₂².₁₂₄(C₂²×Q₈) = C₂⁴.₃₄₆C₂³	central stem extension (φ=1)	64		C2^2.124(C2^2xQ8)	128,1321
C₂².₁₂₅(C₂²×Q₈) = C₂³.₄₉₀C₂⁴	central stem extension (φ=1)	128		C2^2.125(C2^2xQ8)	128,1322
C₂².₁₂₆(C₂²×Q₈) = C₄²⋊₈Q₈	central stem extension (φ=1)	128		C2^2.126(C2^2xQ8)	128,1337
C₂².₁₂₇(C₂²×Q₈) = C₄².₃₈Q₈	central stem extension (φ=1)	128		C2^2.127(C2^2xQ8)	128,1338
C₂².₁₂₈(C₂²×Q₈) = C₂⁴.₃₅₅C₂³	central stem extension (φ=1)	64		C2^2.128(C2^2xQ8)	128,1339
C₂².₁₂₉(C₂²×Q₈) = C₂³.₅₀₈C₂⁴	central stem extension (φ=1)	64		C2^2.129(C2^2xQ8)	128,1340
C₂².₁₃₀(C₂²×Q₈) = C₄²⋊₉Q₈	central stem extension (φ=1)	128		C2^2.130(C2^2xQ8)	128,1344
C₂².₁₃₁(C₂²×Q₈) = C₂⁴⋊₅Q₈	central stem extension (φ=1)	32		C2^2.131(C2^2xQ8)	128,1358
C₂².₁₃₂(C₂²×Q₈) = C₂³.₅₂₇C₂⁴	central stem extension (φ=1)	64		C2^2.132(C2^2xQ8)	128,1359
C₂².₁₃₃(C₂²×Q₈) = C₄².₁₈₇D₄	central stem extension (φ=1)	64		C2^2.133(C2^2xQ8)	128,1360
C₂².₁₃₄(C₂²×Q₈) = C₄².₁₈₈D₄	central stem extension (φ=1)	64		C2^2.134(C2^2xQ8)	128,1361
C₂².₁₃₅(C₂²×Q₈) = C₂³.₅₄₆C₂⁴	central stem extension (φ=1)	64		C2^2.135(C2^2xQ8)	128,1378
C₂².₁₃₆(C₂²×Q₈) = C₄².₃₉Q₈	central stem extension (φ=1)	128		C2^2.136(C2^2xQ8)	128,1379
C₂².₁₃₇(C₂²×Q₈) = C₂³.₅₅₉C₂⁴	central stem extension (φ=1)	64		C2^2.137(C2^2xQ8)	128,1391
C₂².₁₃₈(C₂²×Q₈) = C₄²⋊₁₀Q₈	central stem extension (φ=1)	128		C2^2.138(C2^2xQ8)	128,1392
C₂².₁₃₉(C₂²×Q₈) = C₂⁴.₃₇₉C₂³	central stem extension (φ=1)	64		C2^2.139(C2^2xQ8)	128,1397
C₂².₁₄₀(C₂²×Q₈) = C₄²⋊₁₁Q₈	central stem extension (φ=1)	128		C2^2.140(C2^2xQ8)	128,1398
C₂².₁₄₁(C₂²×Q₈) = C₂³.₅₆₇C₂⁴	central stem extension (φ=1)	64		C2^2.141(C2^2xQ8)	128,1399
C₂².₁₄₂(C₂²×Q₈) = C₂⁴.₃₈₅C₂³	central stem extension (φ=1)	64		C2^2.142(C2^2xQ8)	128,1409
C₂².₁₄₃(C₂²×Q₈) = C₂³.₅₈₃C₂⁴	central stem extension (φ=1)	64		C2^2.143(C2^2xQ8)	128,1415
C₂².₁₄₄(C₂²×Q₈) = C₂³.₅₉₂C₂⁴	central stem extension (φ=1)	64		C2^2.144(C2^2xQ8)	128,1424
C₂².₁₄₅(C₂²×Q₈) = C₂⁴.₄₀₈C₂³	central stem extension (φ=1)	64		C2^2.145(C2^2xQ8)	128,1436
C₂².₁₄₆(C₂²×Q₈) = C₂³.₆₁₃C₂⁴	central stem extension (φ=1)	128		C2^2.146(C2^2xQ8)	128,1445
C₂².₁₄₇(C₂²×Q₈) = C₂³.₆₂₀C₂⁴	central stem extension (φ=1)	64		C2^2.147(C2^2xQ8)	128,1452
C₂².₁₄₈(C₂²×Q₈) = C₂³.₆₂₆C₂⁴	central stem extension (φ=1)	128		C2^2.148(C2^2xQ8)	128,1458
C₂².₁₄₉(C₂²×Q₈) = C₂⁴.₄₂₁C₂³	central stem extension (φ=1)	64		C2^2.149(C2^2xQ8)	128,1461
C₂².₁₅₀(C₂²×Q₈) = C₂³.₆₃₂C₂⁴	central stem extension (φ=1)	64		C2^2.150(C2^2xQ8)	128,1464
C₂².₁₅₁(C₂²×Q₈) = C₂³.₆₃₄C₂⁴	central stem extension (φ=1)	128		C2^2.151(C2^2xQ8)	128,1466
C₂².₁₅₂(C₂²×Q₈) = C₂⁴.₄₂₈C₂³	central stem extension (φ=1)	64		C2^2.152(C2^2xQ8)	128,1474
C₂².₁₅₃(C₂²×Q₈) = C₂⁴.₄₃₄C₂³	central stem extension (φ=1)	64		C2^2.153(C2^2xQ8)	128,1480
C₂².₁₅₄(C₂²×Q₈) = C₂³.₆₅₅C₂⁴	central stem extension (φ=1)	128		C2^2.154(C2^2xQ8)	128,1487
C₂².₁₅₅(C₂²×Q₈) = C₂³.₆₆₃C₂⁴	central stem extension (φ=1)	64		C2^2.155(C2^2xQ8)	128,1495
C₂².₁₅₆(C₂²×Q₈) = C₂³.₆₆₈C₂⁴	central stem extension (φ=1)	64		C2^2.156(C2^2xQ8)	128,1500
C₂².₁₅₇(C₂²×Q₈) = C₂³.₆₇₄C₂⁴	central stem extension (φ=1)	128		C2^2.157(C2^2xQ8)	128,1506
C₂².₁₅₈(C₂²×Q₈) = C₂⁴.₄₄₈C₂³	central stem extension (φ=1)	64		C2^2.158(C2^2xQ8)	128,1512
C₂².₁₅₉(C₂²×Q₈) = C₂⁴.₄₅₀C₂³	central stem extension (φ=1)	64		C2^2.159(C2^2xQ8)	128,1516
C₂².₁₆₀(C₂²×Q₈) = C₂³.₆₈₈C₂⁴	central stem extension (φ=1)	64		C2^2.160(C2^2xQ8)	128,1520
C₂².₁₆₁(C₂²×Q₈) = C₂⁴.₄₅₄C₂³	central stem extension (φ=1)	64		C2^2.161(C2^2xQ8)	128,1522
C₂².₁₆₂(C₂²×Q₈) = C₂³.₆₉₁C₂⁴	central stem extension (φ=1)	128		C2^2.162(C2^2xQ8)	128,1523
C₂².₁₆₃(C₂²×Q₈) = C₂³.₆₉₂C₂⁴	central stem extension (φ=1)	128		C2^2.163(C2^2xQ8)	128,1524
C₂².₁₆₄(C₂²×Q₈) = C₂³.₆₉₉C₂⁴	central stem extension (φ=1)	128		C2^2.164(C2^2xQ8)	128,1531
C₂².₁₆₅(C₂²×Q₈) = C₂³.₇₀₂C₂⁴	central stem extension (φ=1)	128		C2^2.165(C2^2xQ8)	128,1534
C₂².₁₆₆(C₂²×Q₈) = C₂⁴.₄₅₆C₂³	central stem extension (φ=1)	64		C2^2.166(C2^2xQ8)	128,1536
C₂².₁₆₇(C₂²×Q₈) = C₂³.₇₀₅C₂⁴	central stem extension (φ=1)	128		C2^2.167(C2^2xQ8)	128,1537
C₂².₁₆₈(C₂²×Q₈) = C₂³.₇₀₆C₂⁴	central stem extension (φ=1)	128		C2^2.168(C2^2xQ8)	128,1538
C₂².₁₆₉(C₂²×Q₈) = C₂³.₇₀₇C₂⁴	central stem extension (φ=1)	64		C2^2.169(C2^2xQ8)	128,1539
C₂².₁₇₀(C₂²×Q₈) = C₂³.₇₀₉C₂⁴	central stem extension (φ=1)	128		C2^2.170(C2^2xQ8)	128,1541
C₂².₁₇₁(C₂²×Q₈) = C₂³.₇₁₁C₂⁴	central stem extension (φ=1)	128		C2^2.171(C2^2xQ8)	128,1543
C₂².₁₇₂(C₂²×Q₈) = C₂⁴⋊₆Q₈	central stem extension (φ=1)	32		C2^2.172(C2^2xQ8)	128,1572
C₂².₁₇₃(C₂²×Q₈) = C₂³.₇₄₁C₂⁴	central stem extension (φ=1)	64		C2^2.173(C2^2xQ8)	128,1573
C₂².₁₇₄(C₂²×Q₈) = C₂⁴.₁₅Q₈	central stem extension (φ=1)	32		C2^2.174(C2^2xQ8)	128,1574
C₂².₁₇₅(C₂²×Q₈) = C₄²⋊₁₂Q₈	central stem extension (φ=1)	128		C2^2.175(C2^2xQ8)	128,1575
C₂².₁₇₆(C₂²×Q₈) = C₄²⋊₁₃Q₈	central stem extension (φ=1)	128		C2^2.176(C2^2xQ8)	128,1576
C₂².₁₇₇(C₂²×Q₈) = C₄².₄₀Q₈	central stem extension (φ=1)	128		C2^2.177(C2^2xQ8)	128,1577
C₂².₁₇₈(C₂²×Q₈) = C₂⁴⋊₈Q₈	central stem extension (φ=1)	32		C2^2.178(C2^2xQ8)	128,1580
C₂².₁₇₉(C₂²×Q₈) = C₄².₄₃₉D₄	central stem extension (φ=1)	64		C2^2.179(C2^2xQ8)	128,1583
C₂².₁₈₀(C₂²×Q₈) = C₂⁴.₅₉₉C₂³	central stem extension (φ=1)	64		C2^2.180(C2^2xQ8)	128,1587
C₂².₁₈₁(C₂²×Q₈) = C₄².₄₄₀D₄	central stem extension (φ=1)	64		C2^2.181(C2^2xQ8)	128,1589
C₂².₁₈₂(C₂²×Q₈) = C₄³.₁₅C₂	central stem extension (φ=1)	128		C2^2.182(C2^2xQ8)	128,1591
C₂².₁₈₃(C₂²×Q₈) = C₄²⋊₁₈Q₈	central stem extension (φ=1)	128		C2^2.183(C2^2xQ8)	128,1594
C₂².₁₈₄(C₂²×Q₈) = C₄²⋊₁₅Q₈	central stem extension (φ=1)	128		C2^2.184(C2^2xQ8)	128,1595
C₂².₁₈₅(C₂²×Q₈) = C₄³.₁₈C₂	central stem extension (φ=1)	128		C2^2.185(C2^2xQ8)	128,1596
C₂².₁₈₆(C₂²×Q₈) = C₄²⋊₁₉Q₈	central stem extension (φ=1)	128		C2^2.186(C2^2xQ8)	128,1600

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Extensions 1→N→G→Q→1 with N=C22 and Q=C22×Q8

Extensions 1→N→G→Q→1 with N=C₂² and Q=C₂²×Q₈