Extensions 1→N→G→Q→1 with N=C₉ and Q=C₂×C₁₈

Direct product G=N×Q with N=C₉ and Q=C₂×C₁₈

		d	ρ	Label	ID
C₁₈²		324		C18^2	324,81

Semidirect products G=N:Q with N=C₉ and Q=C₂×C₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₉⋊(C₂×C₁₈) = C₂×C₉⋊C₁₈	φ: C₂×C₁₈/C₆ → C₆ ⊆ Aut C₉	36	6	C9:(C2xC18)	324,64
C₉⋊₂(C₂×C₁₈) = C₂²×C₉⋊C₉	φ: C₂×C₁₈/C₂×C₆ → C₃ ⊆ Aut C₉	324		C9:2(C2xC18)	324,83
C₉⋊₃(C₂×C₁₈) = D₉×C₁₈	φ: C₂×C₁₈/C₁₈ → C₂ ⊆ Aut C₉	36	2	C9:3(C2xC18)	324,61

Non-split extensions G=N.Q with N=C₉ and Q=C₂×C₁₈

extension	φ:Q→Aut N	d	ρ	Label	ID
C₉.(C₂×C₁₈) = C₂²×C₂₇⋊C₃	φ: C₂×C₁₈/C₂×C₆ → C₃ ⊆ Aut C₉	108		C9.(C2xC18)	324,85

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Extensions 1→N→G→Q→1 with N=C9 and Q=C2×C18