Extensions 1→N→G→Q→1 with N=D₁₂ and Q=C₂₀

Direct product G=NxQ with N=D₁₂ and Q=C₂₀

		d	ρ	Label	ID
C₂₀xD₁₂		240		C20xD12	480,752

Semidirect products G=N:Q with N=D₁₂ and Q=C₂₀

extension	φ:Q→Out N	d	ρ	Label	ID
D₁₂:₁C₂₀ = C₅xC₄²:₄S₃	φ: C₂₀/C₁₀ → C₂ ⊆ Out D₁₂	120	2	D12:1C20	480,124
D₁₂:₂C₂₀ = C₅xC₂.D₂₄	φ: C₂₀/C₁₀ → C₂ ⊆ Out D₁₂	240		D12:2C20	480,140
D₁₂:₃C₂₀ = C₅xC₆.D₈	φ: C₂₀/C₁₀ → C₂ ⊆ Out D₁₂	240		D12:3C20	480,128
D₁₂:₄C₂₀ = C₅xD₁₂:C₄	φ: C₂₀/C₁₀ → C₂ ⊆ Out D₁₂	120	4	D12:4C20	480,144
D₁₂:₅C₂₀ = C₅xDic₃:₅D₄	φ: C₂₀/C₁₀ → C₂ ⊆ Out D₁₂	240		D12:5C20	480,772

Non-split extensions G=N.Q with N=D₁₂ and Q=C₂₀

extension	φ:Q→Out N	d	ρ	Label	ID
D₁₂.C₂₀ = C₅xD₁₂.C₄	φ: C₂₀/C₁₀ → C₂ ⊆ Out D₁₂	240	4	D12.C20	480,786
D₁₂.₂C₂₀ = C₅xC₈oD₁₂	φ: trivial image	240	2	D12.2C20	480,780

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