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

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

		d	ρ	Label	ID
C₂₂₀		220	1	C220	220,6

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

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₁⋊C₂₀ = C₁₁⋊C₂₀	φ: C₂₀/C₂ → C₁₀ ⊆ Aut C₁₁	44	10-	C11:C20	220,1
C₁₁⋊₂C₂₀ = C₄×C₁₁⋊C₅	φ: C₂₀/C₄ → C₅ ⊆ Aut C₁₁	44	5	C11:2C20	220,2
C₁₁⋊₃C₂₀ = C₅×Dic₁₁	φ: C₂₀/C₁₀ → C₂ ⊆ Aut C₁₁	220	2	C11:3C20	220,4

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