Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂₀⋊₂Q₈

Direct product G=N×Q with N=C₂ and Q=C₂₀⋊₂Q₈

		d	ρ	Label	ID
C₂×C₂₀⋊₂Q₈		320		C2xC20:2Q8	320,1140

Non-split extensions G=N.Q with N=C₂ and Q=C₂₀⋊₂Q₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂₀⋊₂Q₈) = C₂₀⋊₇(C₄⋊C₄)	central extension (φ=1)	320		C2.1(C20:2Q8)	320,555
C₂.₂(C₂₀⋊₂Q₈) = (C₂×C₂₀)⋊₁₀Q₈	central extension (φ=1)	320		C2.2(C20:2Q8)	320,556
C₂.₃(C₂₀⋊₂Q₈) = C₄²⋊₈Dic₅	central extension (φ=1)	320		C2.3(C20:2Q8)	320,562
C₂.₄(C₂₀⋊₂Q₈) = (C₂×Dic₅)⋊Q₈	central stem extension (φ=1)	320		C2.4(C20:2Q8)	320,283
C₂.₅(C₂₀⋊₂Q₈) = C₁₀.(C₄⋊Q₈)	central stem extension (φ=1)	320		C2.5(C20:2Q8)	320,288
C₂.₆(C₂₀⋊₂Q₈) = C₄₀⋊₉Q₈	central stem extension (φ=1)	320		C2.6(C20:2Q8)	320,307
C₂.₇(C₂₀⋊₂Q₈) = C₄₀⋊₈Q₈	central stem extension (φ=1)	320		C2.7(C20:2Q8)	320,309
C₂.₈(C₂₀⋊₂Q₈) = C₄₀.₁₃Q₈	central stem extension (φ=1)	320		C2.8(C20:2Q8)	320,310
C₂.₉(C₂₀⋊₂Q₈) = C₈⋊Dic₁₀	central stem extension (φ=1)	320		C2.9(C20:2Q8)	320,329

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