Extensions 1→N→G→Q→1 with N=C₂ and Q=D₄.Q₈

Direct product G=N×Q with N=C₂ and Q=D₄.Q₈

		d	ρ	Label	ID
C₂×D₄.Q₈		64		C2xD4.Q8	128,1804

Non-split extensions G=N.Q with N=C₂ and Q=D₄.Q₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₄.Q₈) = C₄².₁₀₀D₄	central extension (φ=1)	64		C2.1(D4.Q8)	128,536
C₂.₂(D₄.Q₈) = C₂.(C₄×D₈)	central extension (φ=1)	64		C2.2(D4.Q8)	128,594
C₂.₃(D₄.Q₈) = D₄⋊(C₄⋊C₄)	central extension (φ=1)	64		C2.3(D4.Q8)	128,596
C₂.₄(D₄.Q₈) = C₄.Q₈⋊₉C₄	central extension (φ=1)	128		C2.4(D4.Q8)	128,651
C₂.₅(D₄.Q₈) = C₂.D₈⋊₅C₄	central extension (φ=1)	128		C2.5(D4.Q8)	128,653
C₂.₆(D₄.Q₈) = C₄².₃₁Q₈	central extension (φ=1)	128		C2.6(D4.Q8)	128,681
C₂.₇(D₄.Q₈) = C₄².₁₂₃D₄	central extension (φ=1)	128		C2.7(D4.Q8)	128,721
C₂.₈(D₄.Q₈) = C₄⋊C₄.₈₄D₄	central stem extension (φ=1)	64		C2.8(D4.Q8)	128,757
C₂.₉(D₄.Q₈) = C₂.(C₈⋊Q₈)	central stem extension (φ=1)	128		C2.9(D4.Q8)	128,791
C₂.₁₀(D₄.Q₈) = C₄⋊C₄.₁₀₆D₄	central stem extension (φ=1)	64		C2.10(D4.Q8)	128,797
C₂.₁₁(D₄.Q₈) = (C₂×C₄).₂₃D₈	central stem extension (φ=1)	64		C2.11(D4.Q8)	128,799
C₂.₁₂(D₄.Q₈) = (C₂×C₄).₂₁Q₁₆	central stem extension (φ=1)	128		C2.12(D4.Q8)	128,819
C₂.₁₃(D₄.Q₈) = C₄.(C₄⋊Q₈)	central stem extension (φ=1)	128		C2.13(D4.Q8)	128,820
C₂.₁₄(D₄.Q₈) = (C₂×C₈).₁₆₈D₄	central stem extension (φ=1)	64		C2.14(D4.Q8)	128,824
C₂.₁₅(D₄.Q₈) = C₄⋊C₄.Q₈	central stem extension (φ=1)	128		C2.15(D4.Q8)	128,833

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