Extensions 1→N→G→Q→1 with N=C₄ and Q=C₂₀

Direct product G=N×Q with N=C₄ and Q=C₂₀

		d	ρ	Label	ID
C₄×C₂₀		80		C4xC20	80,20

Semidirect products G=N:Q with N=C₄ and Q=C₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄⋊C₂₀ = C₅×C₄⋊C₄	φ: C₂₀/C₁₀ → C₂ ⊆ Aut C₄	80		C4:C20	80,22

Non-split extensions G=N.Q with N=C₄ and Q=C₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄.C₂₀ = C₅×M₄(2)	φ: C₂₀/C₁₀ → C₂ ⊆ Aut C₄	40	2	C4.C20	80,24

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Extensions 1→N→G→Q→1 with N=C4 and Q=C20