Extensions 1→N→G→Q→1 with N=D₂₁ and Q=C₉

Direct product G=N×Q with N=D₂₁ and Q=C₉

		d	ρ	Label	ID
C₉×D₂₁		126	2	C9xD21	378,37

Semidirect products G=N:Q with N=D₂₁ and Q=C₉

extension	φ:Q→Out N	d	ρ	Label	ID
D₂₁⋊C₉ = D₂₁⋊C₉	φ: C₉/C₃ → C₃ ⊆ Out D₂₁	126	6	D21:C9	378,21

׿

×

⋊

ℤ

𝔽

○

≀

ℚ

◁