Extensions 1→N→G→Q→1 with N=C₃×C₉ and Q=C₂

Direct product G=N×Q with N=C₃×C₉ and Q=C₂

		d	ρ	Label	ID
C₃×C₁₈		54		C3xC18	54,9

Semidirect products G=N:Q with N=C₃×C₉ and Q=C₂

extension	φ:Q→Aut N	d	ρ	Label	ID
(C₃×C₉)⋊₁C₂ = S₃×C₉	φ: C₂/C₁ → C₂ ⊆ Aut C₃×C₉	18	2	(C3xC9):1C2	54,4
(C₃×C₉)⋊₂C₂ = C₃×D₉	φ: C₂/C₁ → C₂ ⊆ Aut C₃×C₉	18	2	(C3xC9):2C2	54,3
(C₃×C₉)⋊₃C₂ = C₉⋊S₃	φ: C₂/C₁ → C₂ ⊆ Aut C₃×C₉	27		(C3xC9):3C2	54,7

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