Extensions 1→N→G→Q→1 with N=C₂₁₁ and Q=C₂

Direct product G=N×Q with N=C₂₁₁ and Q=C₂

		d	ρ	Label	ID
C₄₂₂		422	1	C422	422,2

Semidirect products G=N:Q with N=C₂₁₁ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂₁₁⋊C₂ = D₂₁₁	φ: C₂/C₁ → C₂ ⊆ Aut C₂₁₁	211	2+	C211:C2	422,1

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