Extensions 1→N→G→Q→1 with N=C₉ and Q=D₂₀

Direct product G=N×Q with N=C₉ and Q=D₂₀

		d	ρ	Label	ID
C₉×D₂₀		180	2	C9xD20	360,17

Semidirect products G=N:Q with N=C₉ and Q=D₂₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₉⋊₁D₂₀ = D₁₈₀	φ: D₂₀/C₂₀ → C₂ ⊆ Aut C₉	180	2+	C9:1D20	360,27
C₉⋊₂D₂₀ = C₉⋊D₂₀	φ: D₂₀/D₁₀ → C₂ ⊆ Aut C₉	180	4+	C9:2D20	360,13

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