Extensions 1→N→G→Q→1 with N=C₂ and Q=C₄₀:C₄

Direct product G=NxQ with N=C₂ and Q=C₄₀:C₄

		d	ρ	Label	ID
C₂xC₄₀:C₄		80		C2xC40:C4	320,1057

Non-split extensions G=N.Q with N=C₂ and Q=C₄₀:C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₄₀:C₄) = C₄₀:₂C₈	central extension (φ=1)	320		C2.1(C40:C4)	320,219
C₂.₂(C₄₀:C₄) = C₂₀.₂₆M₄(2)	central extension (φ=1)	320		C2.2(C40:C4)	320,221
C₂.₃(C₄₀:C₄) = D₁₀.₁₀D₈	central extension (φ=1)	80		C2.3(C40:C4)	320,231
C₂.₄(C₄₀:C₄) = C₈₀:₄C₄	central stem extension (φ=1)	80	4	C2.4(C40:C4)	320,185
C₂.₅(C₄₀:C₄) = C₈₀:₅C₄	central stem extension (φ=1)	80	4	C2.5(C40:C4)	320,186

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