Extensions 1→N→G→Q→1 with N=C₂₀₉ and Q=C₂

Direct product G=N×Q with N=C₂₀₉ and Q=C₂

		d	ρ	Label	ID
C₄₁₈		418	1	C418	418,4

Semidirect products G=N:Q with N=C₂₀₉ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₀₉⋊₁C₂ = D₂₀₉	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₉	209	2+	C209:1C2	418,3
C₂₀₉⋊₂C₂ = C₁₁×D₁₉	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₉	209	2	C209:2C2	418,2
C₂₀₉⋊₃C₂ = C₁₉×D₁₁	φ: C₂/C₁ → C₂ ⊆ Aut C₂₀₉	209	2	C209:3C2	418,1

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