Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂×D₂₀

Direct product G=N×Q with N=C₂ and Q=C₂×D₂₀

		d	ρ	Label	ID
C₂²×D₂₀		80		C2^2xD20	160,215

Non-split extensions G=N.Q with N=C₂ and Q=C₂×D₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂×D₂₀) = C₄×D₂₀	central extension (φ=1)	80		C2.1(C2xD20)	160,94
C₂.₂(C₂×D₂₀) = C₂×C₄⋊Dic₅	central extension (φ=1)	160		C2.2(C2xD20)	160,146
C₂.₃(C₂×D₂₀) = C₂×D₁₀⋊C₄	central extension (φ=1)	80		C2.3(C2xD20)	160,148
C₂.₄(C₂×D₂₀) = C₂₀⋊₂Q₈	central stem extension (φ=1)	160		C2.4(C2xD20)	160,90
C₂.₅(C₂×D₂₀) = C₂₀⋊₄D₄	central stem extension (φ=1)	80		C2.5(C2xD20)	160,95
C₂.₆(C₂×D₂₀) = C₄.D₂₀	central stem extension (φ=1)	80		C2.6(C2xD20)	160,96
C₂.₇(C₂×D₂₀) = C₂²⋊D₂₀	central stem extension (φ=1)	40		C2.7(C2xD20)	160,103
C₂.₈(C₂×D₂₀) = C₂².D₂₀	central stem extension (φ=1)	80		C2.8(C2xD20)	160,107
C₂.₉(C₂×D₂₀) = C₄⋊D₂₀	central stem extension (φ=1)	80		C2.9(C2xD20)	160,116
C₂.₁₀(C₂×D₂₀) = D₁₀⋊₂Q₈	central stem extension (φ=1)	80		C2.10(C2xD20)	160,118
C₂.₁₁(C₂×D₂₀) = C₂×C₄₀⋊C₂	central stem extension (φ=1)	80		C2.11(C2xD20)	160,123
C₂.₁₂(C₂×D₂₀) = C₂×D₄₀	central stem extension (φ=1)	80		C2.12(C2xD20)	160,124
C₂.₁₃(C₂×D₂₀) = D₄₀⋊₇C₂	central stem extension (φ=1)	80	2	C2.13(C2xD20)	160,125
C₂.₁₄(C₂×D₂₀) = C₂×Dic₂₀	central stem extension (φ=1)	160		C2.14(C2xD20)	160,126
C₂.₁₅(C₂×D₂₀) = C₈⋊D₁₀	central stem extension (φ=1)	40	4+	C2.15(C2xD20)	160,129
C₂.₁₆(C₂×D₂₀) = C₈.D₁₀	central stem extension (φ=1)	80	4-	C2.16(C2xD20)	160,130
C₂.₁₇(C₂×D₂₀) = C₂₀⋊₇D₄	central stem extension (φ=1)	80		C2.17(C2xD20)	160,151

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