Extensions 1→N→G→Q→1 with N=C₁₈ and Q=C₂

Direct product G=N×Q with N=C₁₈ and Q=C₂

		d	ρ	Label	ID
C₂×C₁₈		36		C2xC18	36,5

Semidirect products G=N:Q with N=C₁₈ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈⋊C₂ = D₁₈	φ: C₂/C₁ → C₂ ⊆ Aut C₁₈	18	2+	C18:C2	36,4

Non-split extensions G=N.Q with N=C₁₈ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈.C₂ = Dic₉	φ: C₂/C₁ → C₂ ⊆ Aut C₁₈	36	2-	C18.C2	36,1

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Extensions 1→N→G→Q→1 with N=C18 and Q=C2