Extensions 1→N→G→Q→1 with N=C₂ and Q=D₁₀

Direct product G=N×Q with N=C₂ and Q=D₁₀

		d	ρ	Label	ID
C₂²×D₅		20		C2^2xD5	40,13

Non-split extensions G=N.Q with N=C₂ and Q=D₁₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁D₁₀ = C₄×D₅	central extension (φ=1)	20	2	C2.1D10	40,5
C₂.₂D₁₀ = C₂×Dic₅	central extension (φ=1)	40		C2.2D10	40,7
C₂.₃D₁₀ = Dic₁₀	central stem extension (φ=1)	40	2-	C2.3D10	40,4
C₂.₄D₁₀ = D₂₀	central stem extension (φ=1)	20	2+	C2.4D10	40,6
C₂.₅D₁₀ = C₅⋊D₄	central stem extension (φ=1)	20	2	C2.5D10	40,8

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