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Extensions 1→N→G→Q→1 with N=C₂×C₂₀ and Q=A₄

Direct product G=N×Q with N=C₂×C₂₀ and Q=A₄

		d	ρ	Label	ID
A₄×C₂×C₂₀		120		A4xC2xC20	480,1126

Non-split extensions G=N.Q with N=C₂×C₂₀ and Q=A₄

extension	φ:Q→Aut N	d	ρ	Label	ID
(C₂×C₂₀).₁A₄ = C₂₀×SL₂(𝔽₃)	central extension (φ=1)	160		(C2xC20).1A4	480,655
(C₂×C₂₀).₂A₄ = C₁₀×C₄.A₄	central extension (φ=1)	160		(C2xC20).2A4	480,1130

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Extensions 1→N→G→Q→1 with N=C2×C20 and Q=A4