Extensions 1→N→G→Q→1 with N=C₅ and Q=D₄₂

Direct product G=N×Q with N=C₅ and Q=D₄₂

		d	ρ	Label	ID
C₁₀×D₂₁		210	2	C10xD21	420,38

Semidirect products G=N:Q with N=C₅ and Q=D₄₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₅⋊₁D₄₂ = D₅×D₂₁	φ: D₄₂/D₂₁ → C₂ ⊆ Aut C₅	105	4+	C5:1D42	420,28
C₅⋊₂D₄₂ = D₂₁₀	φ: D₄₂/C₄₂ → C₂ ⊆ Aut C₅	210	2+	C5:2D42	420,40

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