Extensions 1→N→G→Q→1 with N=C₉ and Q=D₉

Direct product G=N×Q with N=C₉ and Q=D₉

		d	ρ	Label	ID
C₉×D₉		18	2	C9xD9	162,3

Semidirect products G=N:Q with N=C₉ and Q=D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₉⋊D₉ = C₉⋊D₉	φ: D₉/C₉ → C₂ ⊆ Aut C₉	81		C9:D9	162,16

Non-split extensions G=N.Q with N=C₉ and Q=D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₉.₁D₉ = D₈₁	φ: D₉/C₉ → C₂ ⊆ Aut C₉	81	2+	C9.1D9	162,1
C₉.₂D₉ = C₂₇⋊S₃	φ: D₉/C₉ → C₂ ⊆ Aut C₉	81		C9.2D9	162,18

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Extensions 1→N→G→Q→1 with N=C9 and Q=D9