Extensions 1→N→G→Q→1 with N=C₂ and Q=C₁₀×D₁₁

Direct product G=N×Q with N=C₂ and Q=C₁₀×D₁₁

		d	ρ	Label	ID
C₂×C₁₀×D₁₁		220		C2xC10xD11	440,48

Non-split extensions G=N.Q with N=C₂ and Q=C₁₀×D₁₁

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₁₀×D₁₁) = C₂₀×D₁₁	central extension (φ=1)	220	2	C2.1(C10xD11)	440,25
C₂.₂(C₁₀×D₁₁) = C₁₀×Dic₁₁	central extension (φ=1)	440		C2.2(C10xD11)	440,27
C₂.₃(C₁₀×D₁₁) = C₅×Dic₂₂	central stem extension (φ=1)	440	2	C2.3(C10xD11)	440,24
C₂.₄(C₁₀×D₁₁) = C₅×D₄₄	central stem extension (φ=1)	220	2	C2.4(C10xD11)	440,26
C₂.₅(C₁₀×D₁₁) = C₅×C₁₁⋊D₄	central stem extension (φ=1)	220	2	C2.5(C10xD11)	440,28

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