Extensions 1→N→G→Q→1 with N=C₂ and Q=D₂₀⋊₇C₄

Direct product G=N×Q with N=C₂ and Q=D₂₀⋊₇C₄

		d	ρ	Label	ID
C₂×D₂₀⋊₇C₄		80		C2xD20:7C4	320,765

Non-split extensions G=N.Q with N=C₂ and Q=D₂₀⋊₇C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₂₀⋊₇C₄) = D₂₀⋊₄C₈	central extension (φ=1)	160		C2.1(D20:7C4)	320,41
C₂.₂(D₂₀⋊₇C₄) = Dic₁₀⋊₄C₈	central extension (φ=1)	320		C2.2(D20:7C4)	320,42
C₂.₃(D₂₀⋊₇C₄) = C₂₀.₃₃C₄²	central extension (φ=1)	80		C2.3(D20:7C4)	320,113
C₂.₄(D₂₀⋊₇C₄) = C₄².D₁₀	central stem extension (φ=1)	160		C2.4(D20:7C4)	320,22
C₂.₅(D₂₀⋊₇C₄) = C₄².₂D₁₀	central stem extension (φ=1)	320		C2.5(D20:7C4)	320,23
C₂.₆(D₂₀⋊₇C₄) = C₂³.₃₀D₂₀	central stem extension (φ=1)	80		C2.6(D20:7C4)	320,25
C₂.₇(D₂₀⋊₇C₄) = C₂².₂D₄₀	central stem extension (φ=1)	80		C2.7(D20:7C4)	320,28

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