Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂×C₄².C₂

Direct product G=N×Q with N=C₂ and Q=C₂×C₄².C₂

		d	ρ	Label	ID
C₂²×C₄².C₂		128		C2^2xC4^2.C2	128,2169

Non-split extensions G=N.Q with N=C₂ and Q=C₂×C₄².C₂

extension	φ:Q→Aut N	d	Label	ID
C₂.₁(C₂×C₄².C₂) = C₂×C₄²⋊₈C₄	central extension (φ=1)	128	C2.1(C2xC4^2.C2)	128,1013
C₂.₂(C₂×C₄².C₂) = C₂×C₂³.₆₃C₂³	central extension (φ=1)	128	C2.2(C2xC4^2.C2)	128,1020
C₂.₃(C₂×C₄².C₂) = C₂×C₂³.₆₅C₂³	central extension (φ=1)	128	C2.3(C2xC4^2.C2)	128,1023
C₂.₄(C₂×C₄².C₂) = C₄×C₄².C₂	central extension (φ=1)	128	C2.4(C2xC4^2.C2)	128,1037
C₂.₅(C₂×C₄².C₂) = C₂×C₂³.₈₁C₂³	central stem extension (φ=1)	128	C2.5(C2xC4^2.C2)	128,1123
C₂.₆(C₂×C₄².C₂) = C₂×C₂³.₈₃C₂³	central stem extension (φ=1)	128	C2.6(C2xC4^2.C2)	128,1126
C₂.₇(C₂×C₄².C₂) = C₄².₃₄Q₈	central stem extension (φ=1)	128	C2.7(C2xC4^2.C2)	128,1134
C₂.₈(C₂×C₄².C₂) = C₂⁴.₅₆₉C₂³	central stem extension (φ=1)	64	C2.8(C2xC4^2.C2)	128,1174
C₂.₉(C₂×C₄².C₂) = C₂⁴.₅₇₂C₂³	central stem extension (φ=1)	64	C2.9(C2xC4^2.C2)	128,1205
C₂.₁₀(C₂×C₄².C₂) = C₂³.₄₀₅C₂⁴	central stem extension (φ=1)	64	C2.10(C2xC4^2.C2)	128,1237
C₂.₁₁(C₂×C₄².C₂) = C₂³.₄₀₆C₂⁴	central stem extension (φ=1)	128	C2.11(C2xC4^2.C2)	128,1238
C₂.₁₂(C₂×C₄².C₂) = C₂³.₄₀₇C₂⁴	central stem extension (φ=1)	128	C2.12(C2xC4^2.C2)	128,1239
C₂.₁₃(C₂×C₄².C₂) = C₂³.₄₀₈C₂⁴	central stem extension (φ=1)	128	C2.13(C2xC4^2.C2)	128,1240
C₂.₁₄(C₂×C₄².C₂) = C₂³.₄₀₉C₂⁴	central stem extension (φ=1)	128	C2.14(C2xC4^2.C2)	128,1241
C₂.₁₅(C₂×C₄².C₂) = C₄².₃₅Q₈	central stem extension (φ=1)	128	C2.15(C2xC4^2.C2)	128,1284
C₂.₁₆(C₂×C₄².C₂) = C₂⁴.₅₈₄C₂³	central stem extension (φ=1)	64	C2.16(C2xC4^2.C2)	128,1301
C₂.₁₇(C₂×C₄².C₂) = C₄².₃₆Q₈	central stem extension (φ=1)	128	C2.17(C2xC4^2.C2)	128,1302
C₂.₁₈(C₂×C₄².C₂) = C₄².₃₇Q₈	central stem extension (φ=1)	128	C2.18(C2xC4^2.C2)	128,1303
C₂.₁₉(C₂×C₄².C₂) = C₂³.₅₄₆C₂⁴	central stem extension (φ=1)	64	C2.19(C2xC4^2.C2)	128,1378
C₂.₂₀(C₂×C₄².C₂) = C₄².₃₉Q₈	central stem extension (φ=1)	128	C2.20(C2xC4^2.C2)	128,1379
C₂.₂₁(C₂×C₄².C₂) = C₄².₄₃₉D₄	central stem extension (φ=1)	64	C2.21(C2xC4^2.C2)	128,1583
C₂.₂₂(C₂×C₄².C₂) = C₄³.₁₅C₂	central stem extension (φ=1)	128	C2.22(C2xC4^2.C2)	128,1591
C₂.₂₃(C₂×C₄².C₂) = C₄³.₁₈C₂	central stem extension (φ=1)	128	C2.23(C2xC4^2.C2)	128,1596

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Extensions 1→N→G→Q→1 with N=C2 and Q=C2×C42.C2

Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂×C₄².C₂