Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂².₂D₂₀

Direct product G=N×Q with N=C₂ and Q=C₂².₂D₂₀

		d	ρ	Label	ID
C₂×C₂².₂D₂₀		80		C2xC2^2.2D20	320,581

Non-split extensions G=N.Q with N=C₂ and Q=C₂².₂D₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂².₂D₂₀) = C₅⋊₃(C₂³⋊C₈)	central extension (φ=1)	80		C2.1(C2^2.2D20)	320,26
C₂.₂(C₂².₂D₂₀) = (C₂×Dic₅)⋊C₈	central extension (φ=1)	160		C2.2(C2^2.2D20)	320,27
C₂.₃(C₂².₂D₂₀) = C₂⁴.D₁₀	central extension (φ=1)	80		C2.3(C2^2.2D20)	320,85
C₂.₄(C₂².₂D₂₀) = (C₂×D₂₀)⋊C₄	central stem extension (φ=1)	80		C2.4(C2^2.2D20)	320,9
C₂.₅(C₂².₂D₂₀) = C₄⋊Dic₅⋊C₄	central stem extension (φ=1)	80		C2.5(C2^2.2D20)	320,10
C₂.₆(C₂².₂D₂₀) = C₂³.₃₀D₂₀	central stem extension (φ=1)	80		C2.6(C2^2.2D20)	320,25
C₂.₇(C₂².₂D₂₀) = C₂².₂D₄₀	central stem extension (φ=1)	80		C2.7(C2^2.2D20)	320,28
C₂.₈(C₂².₂D₂₀) = C₅⋊₃C₂≀C₄	central stem extension (φ=1)	40	8+	C2.8(C2^2.2D20)	320,29
C₂.₉(C₂².₂D₂₀) = (C₂×C₄).D₂₀	central stem extension (φ=1)	80	8-	C2.9(C2^2.2D20)	320,30
C₂.₁₀(C₂².₂D₂₀) = C₂³.D₂₀	central stem extension (φ=1)	80	8-	C2.10(C2^2.2D20)	320,31
C₂.₁₁(C₂².₂D₂₀) = C₂³.₂D₂₀	central stem extension (φ=1)	40	8+	C2.11(C2^2.2D20)	320,32
C₂.₁₂(C₂².₂D₂₀) = C₂³.₃D₂₀	central stem extension (φ=1)	40	8+	C2.12(C2^2.2D20)	320,33
C₂.₁₃(C₂².₂D₂₀) = C₂³.₄D₂₀	central stem extension (φ=1)	80	8-	C2.13(C2^2.2D20)	320,34
C₂.₁₄(C₂².₂D₂₀) = (C₂×D₂₀).C₄	central stem extension (φ=1)	80	8+	C2.14(C2^2.2D20)	320,35
C₂.₁₅(C₂².₂D₂₀) = (C₂×C₂₀).D₄	central stem extension (φ=1)	80	8-	C2.15(C2^2.2D20)	320,36

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