Extensions 1→N→G→Q→1 with N=C₂² and Q=C₂xC₄xD₇

Direct product G=NxQ with N=C₂² and Q=C₂xC₄xD₇

		d	ρ	Label	ID
D₇xC₂³xC₄		224		D7xC2^3xC4	448,1366

Semidirect products G=N:Q with N=C₂² and Q=C₂xC₄xD₇

extension	φ:Q→Aut N	d	Label	ID
C₂²:₁(C₂xC₄xD₇) = C₄xD₄xD₇	φ: C₂xC₄xD₇/C₄xD₇ → C₂ ⊆ Aut C₂²	112	C2^2:1(C2xC4xD7)	448,997
C₂²:₂(C₂xC₄xD₇) = C₂xDic₇:₄D₄	φ: C₂xC₄xD₇/C₂xDic₇ → C₂ ⊆ Aut C₂²	224	C2^2:2(C2xC4xD7)	448,938
C₂²:₃(C₂xC₄xD₇) = C₂xC₄xC₇:D₄	φ: C₂xC₄xD₇/C₂xC₂₈ → C₂ ⊆ Aut C₂²	224	C2^2:3(C2xC4xD7)	448,1241
C₂²:₄(C₂xC₄xD₇) = C₂xD₇xC₂²:C₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	C2^2:4(C2xC4xD7)	448,937

Non-split extensions G=N.Q with N=C₂² and Q=C₂xC₄xD₇

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂².₁(C₂xC₄xD₇) = C₄xD₄:₂D₇	φ: C₂xC₄xD₇/C₄xD₇ → C₂ ⊆ Aut C₂²	224		C2^2.1(C2xC4xD7)	448,989
C₂².₂(C₂xC₄xD₇) = C₄²:₁₁D₁₄	φ: C₂xC₄xD₇/C₄xD₇ → C₂ ⊆ Aut C₂²	112		C2^2.2(C2xC4xD7)	448,998
C₂².₃(C₂xC₄xD₇) = C₄².₁₀₈D₁₄	φ: C₂xC₄xD₇/C₄xD₇ → C₂ ⊆ Aut C₂²	224		C2^2.3(C2xC4xD7)	448,999
C₂².₄(C₂xC₄xD₇) = D₇xC₈oD₄	φ: C₂xC₄xD₇/C₄xD₇ → C₂ ⊆ Aut C₂²	112	4	C2^2.4(C2xC4xD7)	448,1202
C₂².₅(C₂xC₄xD₇) = C₅₆.₄₉C₂³	φ: C₂xC₄xD₇/C₄xD₇ → C₂ ⊆ Aut C₂²	112	4	C2^2.5(C2xC4xD7)	448,1203
C₂².₆(C₂xC₄xD₇) = C₄².₁₈₈D₁₄	φ: C₂xC₄xD₇/C₂xDic₇ → C₂ ⊆ Aut C₂²	224		C2^2.6(C2xC4xD7)	448,975
C₂².₇(C₂xC₄xD₇) = C₄².₉₁D₁₄	φ: C₂xC₄xD₇/C₂xDic₇ → C₂ ⊆ Aut C₂²	224		C2^2.7(C2xC4xD7)	448,976
C₂².₈(C₂xC₄xD₇) = C₂xD₂₈.C₄	φ: C₂xC₄xD₇/C₂xDic₇ → C₂ ⊆ Aut C₂²	224		C2^2.8(C2xC4xD7)	448,1197
C₂².₉(C₂xC₄xD₇) = C₄xC₄oD₂₈	φ: C₂xC₄xD₇/C₂xC₂₈ → C₂ ⊆ Aut C₂²	224		C2^2.9(C2xC4xD7)	448,927
C₂².₁₀(C₂xC₄xD₇) = C₁₄.₈2₊¹⁺⁴	φ: C₂xC₄xD₇/C₂xC₂₈ → C₂ ⊆ Aut C₂²	224		C2^2.10(C2xC4xD7)	448,957
C₂².₁₁(C₂xC₄xD₇) = C₂xD₂₈.₂C₄	φ: C₂xC₄xD₇/C₂xC₂₈ → C₂ ⊆ Aut C₂²	224		C2^2.11(C2xC4xD7)	448,1191
C₂².₁₂(C₂xC₄xD₇) = C₂³:C₄:₅D₇	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	8-	C2^2.12(C2xC4xD7)	448,274
C₂².₁₃(C₂xC₄xD₇) = D₇xC₂³:C₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	56	8+	C2^2.13(C2xC4xD7)	448,277
C₂².₁₄(C₂xC₄xD₇) = D₇xC₄.D₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	56	8+	C2^2.14(C2xC4xD7)	448,278
C₂².₁₅(C₂xC₄xD₇) = M₄(2).₁₉D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	8-	C2^2.15(C2xC4xD7)	448,279
C₂².₁₆(C₂xC₄xD₇) = D₇xC₄.₁₀D₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	8-	C2^2.16(C2xC4xD7)	448,284
C₂².₁₇(C₂xC₄xD₇) = M₄(2).₂₁D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	8+	C2^2.17(C2xC4xD7)	448,285
C₂².₁₈(C₂xC₄xD₇) = C₂xC₂³.₁D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112		C2^2.18(C2xC4xD7)	448,488
C₂².₁₉(C₂xC₄xD₇) = (C₂xD₂₈):₁₃C₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	4	C2^2.19(C2xC4xD7)	448,540
C₂².₂₀(C₂xC₄xD₇) = C₂xC₂₈.₄₆D₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112		C2^2.20(C2xC4xD7)	448,664
C₂².₂₁(C₂xC₄xD₇) = M₄(2).₃₁D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	4	C2^2.21(C2xC4xD7)	448,666
C₂².₂₂(C₂xC₄xD₇) = C₂xC₄.₁₂D₂₈	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	224		C2^2.22(C2xC4xD7)	448,670
C₂².₂₃(C₂xC₄xD₇) = C₂xC₂³.₁₁D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	224		C2^2.23(C2xC4xD7)	448,933
C₂².₂₄(C₂xC₄xD₇) = C₂⁴.₂₄D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112		C2^2.24(C2xC4xD7)	448,939
C₂².₂₅(C₂xC₄xD₇) = C₄².₈₇D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	224		C2^2.25(C2xC4xD7)	448,969
C₂².₂₆(C₂xC₄xD₇) = D₇xC₄²:C₂	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112		C2^2.26(C2xC4xD7)	448,973
C₂².₂₇(C₂xC₄xD₇) = C₄²:₇D₁₄	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112		C2^2.27(C2xC4xD7)	448,974
C₂².₂₈(C₂xC₄xD₇) = C₂₈.₇₀C₂⁴	φ: C₂xC₄xD₇/C₂²xD₇ → C₂ ⊆ Aut C₂²	112	4	C2^2.28(C2xC4xD7)	448,1198
C₂².₂₉(C₂xC₄xD₇) = Dic₇.₅C₄²	central extension (φ=1)	448		C2^2.29(C2xC4xD7)	448,182
C₂².₃₀(C₂xC₄xD₇) = Dic₇:C₄²	central extension (φ=1)	448		C2^2.30(C2xC4xD7)	448,183
C₂².₃₁(C₂xC₄xD₇) = D₇xC₂.C₄²	central extension (φ=1)	224		C2^2.31(C2xC4xD7)	448,197
C₂².₃₂(C₂xC₄xD₇) = D₁₄:C₄²	central extension (φ=1)	224		C2^2.32(C2xC4xD7)	448,200
C₂².₃₃(C₂xC₄xD₇) = C₈xDic₁₄	central extension (φ=1)	448		C2^2.33(C2xC4xD7)	448,212
C₂².₃₄(C₂xC₄xD₇) = D₇xC₄xC₈	central extension (φ=1)	224		C2^2.34(C2xC4xD7)	448,218
C₂².₃₅(C₂xC₄xD₇) = C₄².₂₈₂D₁₄	central extension (φ=1)	224		C2^2.35(C2xC4xD7)	448,219
C₂².₃₆(C₂xC₄xD₇) = C₈xD₂₈	central extension (φ=1)	224		C2^2.36(C2xC4xD7)	448,220
C₂².₃₇(C₂xC₄xD₇) = C₄xC₈:D₇	central extension (φ=1)	224		C2^2.37(C2xC4xD7)	448,221
C₂².₃₈(C₂xC₄xD₇) = D₁₄.C₄²	central extension (φ=1)	224		C2^2.38(C2xC4xD7)	448,223
C₂².₃₉(C₂xC₄xD₇) = D₇xC₈:C₄	central extension (φ=1)	224		C2^2.39(C2xC4xD7)	448,238
C₂².₄₀(C₂xC₄xD₇) = Dic₇.C₄²	central extension (φ=1)	224		C2^2.40(C2xC4xD7)	448,241
C₂².₄₁(C₂xC₄xD₇) = D₁₄.₄C₄²	central extension (φ=1)	224		C2^2.41(C2xC4xD7)	448,242
C₂².₄₂(C₂xC₄xD₇) = Dic₇.₅M₄(2)	central extension (φ=1)	224		C2^2.42(C2xC4xD7)	448,252
C₂².₄₃(C₂xC₄xD₇) = D₇xC₂²:C₈	central extension (φ=1)	112		C2^2.43(C2xC4xD7)	448,258
C₂².₄₄(C₂xC₄xD₇) = C₇:D₄:C₈	central extension (φ=1)	224		C2^2.44(C2xC4xD7)	448,259
C₂².₄₅(C₂xC₄xD₇) = Dic₁₄:C₈	central extension (φ=1)	448		C2^2.45(C2xC4xD7)	448,364
C₂².₄₆(C₂xC₄xD₇) = D₇xC₄:C₈	central extension (φ=1)	224		C2^2.46(C2xC4xD7)	448,366
C₂².₄₇(C₂xC₄xD₇) = C₄².₂₀₀D₁₄	central extension (φ=1)	224		C2^2.47(C2xC4xD7)	448,367
C₂².₄₈(C₂xC₄xD₇) = D₂₈:C₈	central extension (φ=1)	224		C2^2.48(C2xC4xD7)	448,368
C₂².₄₉(C₂xC₄xD₇) = C₄²xDic₇	central extension (φ=1)	448		C2^2.49(C2xC4xD7)	448,464
C₂².₅₀(C₂xC₄xD₇) = C₄xDic₇:C₄	central extension (φ=1)	448		C2^2.50(C2xC4xD7)	448,465
C₂².₅₁(C₂xC₄xD₇) = C₄²:₄Dic₇	central extension (φ=1)	448		C2^2.51(C2xC4xD7)	448,466
C₂².₅₂(C₂xC₄xD₇) = C₄xC₄:Dic₇	central extension (φ=1)	448		C2^2.52(C2xC4xD7)	448,468
C₂².₅₃(C₂xC₄xD₇) = C₄xD₁₄:C₄	central extension (φ=1)	224		C2^2.53(C2xC4xD7)	448,472
C₂².₅₄(C₂xC₄xD₇) = C₂²:C₄xDic₇	central extension (φ=1)	224		C2^2.54(C2xC4xD7)	448,475
C₂².₅₅(C₂xC₄xD₇) = C₄:C₄xDic₇	central extension (φ=1)	448		C2^2.55(C2xC4xD7)	448,509
C₂².₅₆(C₂xC₄xD₇) = C₂xC₈xDic₇	central extension (φ=1)	448		C2^2.56(C2xC4xD7)	448,632
C₂².₅₇(C₂xC₄xD₇) = C₂xDic₇:C₈	central extension (φ=1)	448		C2^2.57(C2xC4xD7)	448,633
C₂².₅₈(C₂xC₄xD₇) = C₂xC₅₆:C₄	central extension (φ=1)	448		C2^2.58(C2xC4xD7)	448,634
C₂².₅₉(C₂xC₄xD₇) = C₂₈.₁₂C₄²	central extension (φ=1)	224		C2^2.59(C2xC4xD7)	448,635
C₂².₆₀(C₂xC₄xD₇) = C₂xD₁₄:C₈	central extension (φ=1)	224		C2^2.60(C2xC4xD7)	448,642
C₂².₆₁(C₂xC₄xD₇) = C₈xC₇:D₄	central extension (φ=1)	224		C2^2.61(C2xC4xD7)	448,643
C₂².₆₂(C₂xC₄xD₇) = M₄(2)xDic₇	central extension (φ=1)	224		C2^2.62(C2xC4xD7)	448,651
C₂².₆₃(C₂xC₄xD₇) = C₂₈.₇C₄²	central extension (φ=1)	224		C2^2.63(C2xC4xD7)	448,656
C₂².₆₄(C₂xC₄xD₇) = C₂xC₁₄.C₄²	central extension (φ=1)	448		C2^2.64(C2xC4xD7)	448,742
C₂².₆₅(C₂xC₄xD₇) = C₄xC₂³.D₇	central extension (φ=1)	224		C2^2.65(C2xC4xD7)	448,743
C₂².₆₆(C₂xC₄xD₇) = C₂xC₄xDic₁₄	central extension (φ=1)	448		C2^2.66(C2xC4xD7)	448,920
C₂².₆₇(C₂xC₄xD₇) = D₇xC₂xC₄²	central extension (φ=1)	224		C2^2.67(C2xC4xD7)	448,924
C₂².₆₈(C₂xC₄xD₇) = C₂xC₄²:D₇	central extension (φ=1)	224		C2^2.68(C2xC4xD7)	448,925
C₂².₆₉(C₂xC₄xD₇) = C₂xC₄xD₂₈	central extension (φ=1)	224		C2^2.69(C2xC4xD7)	448,926
C₂².₇₀(C₂xC₄xD₇) = C₂xDic₇:₃Q₈	central extension (φ=1)	448		C2^2.70(C2xC4xD7)	448,949
C₂².₇₁(C₂xC₄xD₇) = C₂xD₇xC₄:C₄	central extension (φ=1)	224		C2^2.71(C2xC4xD7)	448,954
C₂².₇₂(C₂xC₄xD₇) = C₂xC₄:C₄:₇D₇	central extension (φ=1)	224		C2^2.72(C2xC4xD7)	448,955
C₂².₇₃(C₂xC₄xD₇) = C₂xD₂₈:C₄	central extension (φ=1)	224		C2^2.73(C2xC4xD7)	448,956
C₂².₇₄(C₂xC₄xD₇) = D₇xC₂²xC₈	central extension (φ=1)	224		C2^2.74(C2xC4xD7)	448,1189
C₂².₇₅(C₂xC₄xD₇) = C₂²xC₈:D₇	central extension (φ=1)	224		C2^2.75(C2xC4xD7)	448,1190
C₂².₇₆(C₂xC₄xD₇) = C₂xD₇xM₄(2)	central extension (φ=1)	112		C2^2.76(C2xC4xD7)	448,1196
C₂².₇₇(C₂xC₄xD₇) = C₂²xC₄xDic₇	central extension (φ=1)	448		C2^2.77(C2xC4xD7)	448,1235
C₂².₇₈(C₂xC₄xD₇) = C₂²xDic₇:C₄	central extension (φ=1)	448		C2^2.78(C2xC4xD7)	448,1236
C₂².₇₉(C₂xC₄xD₇) = C₂²xD₁₄:C₄	central extension (φ=1)	224		C2^2.79(C2xC4xD7)	448,1240
C₂².₈₀(C₂xC₄xD₇) = (C₂xC₂₈):Q₈	central stem extension (φ=1)	448		C2^2.80(C2xC4xD7)	448,180
C₂².₈₁(C₂xC₄xD₇) = C₁₄.(C₄xQ₈)	central stem extension (φ=1)	448		C2^2.81(C2xC4xD7)	448,181
C₂².₈₂(C₂xC₄xD₇) = C₇:(C₄²:₈C₄)	central stem extension (φ=1)	448		C2^2.82(C2xC4xD7)	448,184
C₂².₈₃(C₂xC₄xD₇) = C₇:(C₄²:₅C₄)	central stem extension (φ=1)	448		C2^2.83(C2xC4xD7)	448,185
C₂².₈₄(C₂xC₄xD₇) = Dic₇:C₄:C₄	central stem extension (φ=1)	448		C2^2.84(C2xC4xD7)	448,186
C₂².₈₅(C₂xC₄xD₇) = C₄:Dic₇:₇C₄	central stem extension (φ=1)	448		C2^2.85(C2xC4xD7)	448,187
C₂².₈₆(C₂xC₄xD₇) = C₄:Dic₇:₈C₄	central stem extension (φ=1)	448		C2^2.86(C2xC4xD7)	448,188
C₂².₈₇(C₂xC₄xD₇) = C₁₄.(C₄xD₄)	central stem extension (φ=1)	448		C2^2.87(C2xC4xD7)	448,189
C₂².₈₈(C₂xC₄xD₇) = C₂².₅₈(D₄xD₇)	central stem extension (φ=1)	224		C2^2.88(C2xC4xD7)	448,198
C₂².₈₉(C₂xC₄xD₇) = (C₂xC₄):₉D₂₈	central stem extension (φ=1)	224		C2^2.89(C2xC4xD7)	448,199
C₂².₉₀(C₂xC₄xD₇) = D₁₄:(C₄:C₄)	central stem extension (φ=1)	224		C2^2.90(C2xC4xD7)	448,201
C₂².₉₁(C₂xC₄xD₇) = D₁₄:C₄:C₄	central stem extension (φ=1)	224		C2^2.91(C2xC4xD7)	448,202
C₂².₉₂(C₂xC₄xD₇) = D₁₄:C₄:₅C₄	central stem extension (φ=1)	224		C2^2.92(C2xC4xD7)	448,203
C₂².₉₃(C₂xC₄xD₇) = C₂.(C₄xD₂₈)	central stem extension (φ=1)	224		C2^2.93(C2xC4xD7)	448,204
C₂².₉₄(C₂xC₄xD₇) = C₅₆:₁₁Q₈	central stem extension (φ=1)	448		C2^2.94(C2xC4xD7)	448,213
C₂².₉₅(C₂xC₄xD₇) = C₈:₆D₂₈	central stem extension (φ=1)	224		C2^2.95(C2xC4xD7)	448,222
C₂².₉₆(C₂xC₄xD₇) = C₄².₂₄₃D₁₄	central stem extension (φ=1)	224		C2^2.96(C2xC4xD7)	448,224
C₂².₉₇(C₂xC₄xD₇) = C₅₆:Q₈	central stem extension (φ=1)	448		C2^2.97(C2xC4xD7)	448,235
C₂².₉₈(C₂xC₄xD₇) = C₄².₁₈₂D₁₄	central stem extension (φ=1)	224		C2^2.98(C2xC4xD7)	448,239
C₂².₉₉(C₂xC₄xD₇) = C₈:₉D₂₈	central stem extension (φ=1)	224		C2^2.99(C2xC4xD7)	448,240
C₂².₁₀₀(C₂xC₄xD₇) = C₄².₁₈₅D₁₄	central stem extension (φ=1)	224		C2^2.100(C2xC4xD7)	448,243
C₂².₁₀₁(C₂xC₄xD₇) = Dic₇.M₄(2)	central stem extension (φ=1)	224		C2^2.101(C2xC4xD7)	448,253
C₂².₁₀₂(C₂xC₄xD₇) = C₅₆:C₄:C₂	central stem extension (φ=1)	224		C2^2.102(C2xC4xD7)	448,254
C₂².₁₀₃(C₂xC₄xD₇) = D₁₄:M₄(2)	central stem extension (φ=1)	112		C2^2.103(C2xC4xD7)	448,260
C₂².₁₀₄(C₂xC₄xD₇) = D₁₄:C₈:C₂	central stem extension (φ=1)	224		C2^2.104(C2xC4xD7)	448,261
C₂².₁₀₅(C₂xC₄xD₇) = D₁₄:₂M₄(2)	central stem extension (φ=1)	224		C2^2.105(C2xC4xD7)	448,262
C₂².₁₀₆(C₂xC₄xD₇) = Dic₇:M₄(2)	central stem extension (φ=1)	224		C2^2.106(C2xC4xD7)	448,263
C₂².₁₀₇(C₂xC₄xD₇) = C₇:C₈:₂₆D₄	central stem extension (φ=1)	224		C2^2.107(C2xC4xD7)	448,264
C₂².₁₀₈(C₂xC₄xD₇) = C₄².₂₇D₁₄	central stem extension (φ=1)	448		C2^2.108(C2xC4xD7)	448,362
C₂².₁₀₉(C₂xC₄xD₇) = C₂₈.M₄(2)	central stem extension (φ=1)	448		C2^2.109(C2xC4xD7)	448,365
C₂².₁₁₀(C₂xC₄xD₇) = C₄².₂₀₂D₁₄	central stem extension (φ=1)	224		C2^2.110(C2xC4xD7)	448,369
C₂².₁₁₁(C₂xC₄xD₇) = D₁₄:₃M₄(2)	central stem extension (φ=1)	224		C2^2.111(C2xC4xD7)	448,370
C₂².₁₁₂(C₂xC₄xD₇) = C₂₈:M₄(2)	central stem extension (φ=1)	224		C2^2.112(C2xC4xD7)	448,371
C₂².₁₁₃(C₂xC₄xD₇) = C₂₈:₂M₄(2)	central stem extension (φ=1)	224		C2^2.113(C2xC4xD7)	448,372
C₂².₁₁₄(C₂xC₄xD₇) = C₄².₃₀D₁₄	central stem extension (φ=1)	224		C2^2.114(C2xC4xD7)	448,373
C₂².₁₁₅(C₂xC₄xD₇) = C₄².₃₁D₁₄	central stem extension (φ=1)	224		C2^2.115(C2xC4xD7)	448,374
C₂².₁₁₆(C₂xC₄xD₇) = C₂₈:₄(C₄:C₄)	central stem extension (φ=1)	448		C2^2.116(C2xC4xD7)	448,462
C₂².₁₁₇(C₂xC₄xD₇) = (C₂xC₂₈):₁₀Q₈	central stem extension (φ=1)	448		C2^2.117(C2xC4xD7)	448,463
C₂².₁₁₈(C₂xC₄xD₇) = (C₂xC₄²).D₇	central stem extension (φ=1)	448		C2^2.118(C2xC4xD7)	448,467
C₂².₁₁₉(C₂xC₄xD₇) = (C₂xC₄):₆D₂₈	central stem extension (φ=1)	224		C2^2.119(C2xC4xD7)	448,473
C₂².₁₂₀(C₂xC₄xD₇) = (C₂xC₄²):D₇	central stem extension (φ=1)	224		C2^2.120(C2xC4xD7)	448,474
C₂².₁₂₁(C₂xC₄xD₇) = C₂⁴.₄₄D₁₄	central stem extension (φ=1)	224		C2^2.121(C2xC4xD7)	448,476
C₂².₁₂₂(C₂xC₄xD₇) = C₂³.₄₂D₂₈	central stem extension (φ=1)	224		C2^2.122(C2xC4xD7)	448,477
C₂².₁₂₃(C₂xC₄xD₇) = C₂⁴.₃D₁₄	central stem extension (φ=1)	224		C2^2.123(C2xC4xD7)	448,478
C₂².₁₂₄(C₂xC₄xD₇) = C₂⁴.₄D₁₄	central stem extension (φ=1)	224		C2^2.124(C2xC4xD7)	448,479
C₂².₁₂₅(C₂xC₄xD₇) = C₂⁴.₄₆D₁₄	central stem extension (φ=1)	224		C2^2.125(C2xC4xD7)	448,480
C₂².₁₂₆(C₂xC₄xD₇) = C₂³.₄₄D₂₈	central stem extension (φ=1)	112		C2^2.126(C2xC4xD7)	448,489
C₂².₁₂₇(C₂xC₄xD₇) = C₂⁴.₁₂D₁₄	central stem extension (φ=1)	224		C2^2.127(C2xC4xD7)	448,490
C₂².₁₂₈(C₂xC₄xD₇) = C₂⁴.₁₃D₁₄	central stem extension (φ=1)	224		C2^2.128(C2xC4xD7)	448,491
C₂².₁₂₉(C₂xC₄xD₇) = C₂³.₄₅D₂₈	central stem extension (φ=1)	224		C2^2.129(C2xC4xD7)	448,492
C₂².₁₃₀(C₂xC₄xD₇) = Dic₇:(C₄:C₄)	central stem extension (φ=1)	448		C2^2.130(C2xC4xD7)	448,506
C₂².₁₃₁(C₂xC₄xD₇) = C₂₈:(C₄:C₄)	central stem extension (φ=1)	448		C2^2.131(C2xC4xD7)	448,507
C₂².₁₃₂(C₂xC₄xD₇) = (C₂xDic₇):₆Q₈	central stem extension (φ=1)	448		C2^2.132(C2xC4xD7)	448,508
C₂².₁₃₃(C₂xC₄xD₇) = (C₄xDic₇):₈C₄	central stem extension (φ=1)	448		C2^2.133(C2xC4xD7)	448,510
C₂².₁₃₄(C₂xC₄xD₇) = (C₄xDic₇):₉C₄	central stem extension (φ=1)	448		C2^2.134(C2xC4xD7)	448,511
C₂².₁₃₅(C₂xC₄xD₇) = C₂².₂₃(Q₈xD₇)	central stem extension (φ=1)	448		C2^2.135(C2xC4xD7)	448,512
C₂².₁₃₆(C₂xC₄xD₇) = C₄:(D₁₄:C₄)	central stem extension (φ=1)	224		C2^2.136(C2xC4xD7)	448,521
C₂².₁₃₇(C₂xC₄xD₇) = (C₂xD₂₈):₁₀C₄	central stem extension (φ=1)	224		C2^2.137(C2xC4xD7)	448,522
C₂².₁₃₈(C₂xC₄xD₇) = D₁₄:C₄:₆C₄	central stem extension (φ=1)	224		C2^2.138(C2xC4xD7)	448,523
C₂².₁₃₉(C₂xC₄xD₇) = D₁₄:C₄:₇C₄	central stem extension (φ=1)	224		C2^2.139(C2xC4xD7)	448,524
C₂².₁₄₀(C₂xC₄xD₇) = Dic₇:C₈:C₂	central stem extension (φ=1)	224		C2^2.140(C2xC4xD7)	448,636
C₂².₁₄₁(C₂xC₄xD₇) = (C₂²xC₈):D₇	central stem extension (φ=1)	224		C2^2.141(C2xC4xD7)	448,644
C₂².₁₄₂(C₂xC₄xD₇) = C₅₆:₃₂D₄	central stem extension (φ=1)	224		C2^2.142(C2xC4xD7)	448,645
C₂².₁₄₃(C₂xC₄xD₇) = Dic₇:₄M₄(2)	central stem extension (φ=1)	224		C2^2.143(C2xC4xD7)	448,652
C₂².₁₄₄(C₂xC₄xD₇) = C₂₈.₄₃₉(C₂xD₄)	central stem extension (φ=1)	224		C2^2.144(C2xC4xD7)	448,653
C₂².₁₄₅(C₂xC₄xD₇) = D₁₄:₆M₄(2)	central stem extension (φ=1)	112		C2^2.145(C2xC4xD7)	448,660
C₂².₁₄₆(C₂xC₄xD₇) = C₅₆:D₄	central stem extension (φ=1)	224		C2^2.146(C2xC4xD7)	448,661
C₂².₁₄₇(C₂xC₄xD₇) = C₅₆:₁₈D₄	central stem extension (φ=1)	224		C2^2.147(C2xC4xD7)	448,662
C₂².₁₄₈(C₂xC₄xD₇) = (C₂xD₂₈).₁₄C₄	central stem extension (φ=1)	224		C2^2.148(C2xC4xD7)	448,663
C₂².₁₄₉(C₂xC₄xD₇) = C₂⁴.₆₂D₁₄	central stem extension (φ=1)	224		C2^2.149(C2xC4xD7)	448,744
C₂².₁₅₀(C₂xC₄xD₇) = C₂³.₂₈D₂₈	central stem extension (φ=1)	224		C2^2.150(C2xC4xD7)	448,747

Extensions 1→N→G→Q→1 with N=C22 and Q=C2xC4xD7

Extensions 1→N→G→Q→1 with N=C₂² and Q=C₂xC₄xD₇