Extensions 1→N→G→Q→1 with N=C₁₁⋊C₂₀ and Q=C₂

Direct product G=N×Q with N=C₁₁⋊C₂₀ and Q=C₂

		d	ρ	Label	ID
C₂×C₁₁⋊C₂₀		88		C2xC11:C20	440,10

Semidirect products G=N:Q with N=C₁₁⋊C₂₀ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
C₁₁⋊C₂₀⋊C₂ = C₂²⋊F₁₁	φ: C₂/C₁ → C₂ ⊆ Out C₁₁⋊C₂₀	44	10	C11:C20:C2	440,11
C₁₁⋊C₂₀⋊₂C₂ = C₄×F₁₁	φ: trivial image	44	10	C11:C20:2C2	440,8

Non-split extensions G=N.Q with N=C₁₁⋊C₂₀ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
C₁₁⋊C₂₀.C₂ = C₄.F₁₁	φ: C₂/C₁ → C₂ ⊆ Out C₁₁⋊C₂₀	88	10-	C11:C20.C2	440,7

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Extensions 1→N→G→Q→1 with N=C11⋊C20 and Q=C2