Extensions 1→N→G→Q→1 with N=C₂₄₇ and Q=C₂

Direct product G=N×Q with N=C₂₄₇ and Q=C₂

		d	ρ	Label	ID
C₄₉₄		494	1	C494	494,4

Semidirect products G=N:Q with N=C₂₄₇ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₄₇⋊₁C₂ = D₂₄₇	φ: C₂/C₁ → C₂ ⊆ Aut C₂₄₇	247	2+	C247:1C2	494,3
C₂₄₇⋊₂C₂ = C₁₃×D₁₉	φ: C₂/C₁ → C₂ ⊆ Aut C₂₄₇	247	2	C247:2C2	494,2
C₂₄₇⋊₃C₂ = C₁₉×D₁₃	φ: C₂/C₁ → C₂ ⊆ Aut C₂₄₇	247	2	C247:3C2	494,1

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