Extensions 1→N→G→Q→1 with N=C₄₅ and Q=C₂

Direct product G=N×Q with N=C₄₅ and Q=C₂

		d	ρ	Label	ID
C₉₀		90	1	C90	90,4

Semidirect products G=N:Q with N=C₄₅ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄₅⋊₁C₂ = D₄₅	φ: C₂/C₁ → C₂ ⊆ Aut C₄₅	45	2+	C45:1C2	90,3
C₄₅⋊₂C₂ = C₅×D₉	φ: C₂/C₁ → C₂ ⊆ Aut C₄₅	45	2	C45:2C2	90,1
C₄₅⋊₃C₂ = C₉×D₅	φ: C₂/C₁ → C₂ ⊆ Aut C₄₅	45	2	C45:3C2	90,2

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