Extensions 1→N→G→Q→1 with N=C₅ and Q=C₄

Direct product G=N×Q with N=C₅ and Q=C₄

		d	ρ	Label	ID
C₂₀		20	1	C20	20,2

Semidirect products G=N:Q with N=C₅ and Q=C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₅⋊C₄ = F₅	φ: C₄/C₁ → C₄ ⊆ Aut C₅	5	4+	C5:C4	20,3
C₅⋊₂C₄ = Dic₅	φ: C₄/C₂ → C₂ ⊆ Aut C₅	20	2-	C5:2C4	20,1

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