Extensions 1→N→G→Q→1 with N=C₂ and Q=D₂₀⋊₅C₄

Direct product G=N×Q with N=C₂ and Q=D₂₀⋊₅C₄

		d	ρ	Label	ID
C₂×D₂₀⋊₅C₄		160		C2xD20:5C4	320,739

Non-split extensions G=N.Q with N=C₂ and Q=D₂₀⋊₅C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₂₀⋊₅C₄) = D₂₀⋊₃C₈	central extension (φ=1)	160		C2.1(D20:5C4)	320,17
C₂.₂(D₂₀⋊₅C₄) = C₂₀.₃₉C₄²	central extension (φ=1)	320		C2.2(D20:5C4)	320,109
C₂.₃(D₂₀⋊₅C₄) = C₂².₂D₄₀	central stem extension (φ=1)	80		C2.3(D20:5C4)	320,28
C₂.₄(D₂₀⋊₅C₄) = C₄.D₄₀	central stem extension (φ=1)	160		C2.4(D20:5C4)	320,43
C₂.₅(D₂₀⋊₅C₄) = C₂₀.₂D₈	central stem extension (φ=1)	320		C2.5(D20:5C4)	320,44
C₂.₆(D₂₀⋊₅C₄) = C₄₀.₇₈D₄	central stem extension (φ=1)	320		C2.6(D20:5C4)	320,61
C₂.₇(D₂₀⋊₅C₄) = D₄₀⋊₇C₄	central stem extension (φ=1)	160		C2.7(D20:5C4)	320,67
C₂.₈(D₂₀⋊₅C₄) = D₄₀.₃C₄	central stem extension (φ=1)	160	2	C2.8(D20:5C4)	320,68
C₂.₉(D₂₀⋊₅C₄) = D₄₀.₄C₄	central stem extension (φ=1)	80	4+	C2.9(D20:5C4)	320,74
C₂.₁₀(D₂₀⋊₅C₄) = C₂₀.₄D₈	central stem extension (φ=1)	160	4-	C2.10(D20:5C4)	320,75
C₂.₁₁(D₂₀⋊₅C₄) = D₄₀⋊₈C₄	central stem extension (φ=1)	80	4	C2.11(D20:5C4)	320,76

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