Extensions 1→N→G→Q→1 with N=C₂ and Q=D₄₀

Direct product G=N×Q with N=C₂ and Q=D₄₀

		d	ρ	Label	ID
C₂×D₄₀		80		C2xD40	160,124

Non-split extensions G=N.Q with N=C₂ and Q=D₄₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₄₀ = C₄₀⋊₅C₄	central extension (φ=1)	160		C2.1D40	160,25
C₂.₂D₄₀ = D₂₀⋊₅C₄	central extension (φ=1)	80		C2.2D40	160,28
C₂.₃D₄₀ = D₈₀	central stem extension (φ=1)	80	2+	C2.3D40	160,6
C₂.₄D₄₀ = C₁₆⋊D₅	central stem extension (φ=1)	80	2	C2.4D40	160,7
C₂.₅D₄₀ = Dic₄₀	central stem extension (φ=1)	160	2-	C2.5D40	160,8

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