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

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

		d	ρ	Label	ID
C₉xD₉		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

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