Extensions 1→N→G→Q→1 with N=C₂₄₅ and Q=C₂

Direct product G=N×Q with N=C₂₄₅ and Q=C₂

		d	ρ	Label	ID
C₄₉₀		490	1	C490	490,4

Semidirect products G=N:Q with N=C₂₄₅ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₄₅⋊₁C₂ = D₂₄₅	φ: C₂/C₁ → C₂ ⊆ Aut C₂₄₅	245	2+	C245:1C2	490,3
C₂₄₅⋊₂C₂ = C₅×D₄₉	φ: C₂/C₁ → C₂ ⊆ Aut C₂₄₅	245	2	C245:2C2	490,2
C₂₄₅⋊₃C₂ = D₅×C₄₉	φ: C₂/C₁ → C₂ ⊆ Aut C₂₄₅	245	2	C245:3C2	490,1

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