Extensions 1→N→G→Q→1 with N=D₄₅ and Q=C₂

Direct product G=N×Q with N=D₄₅ and Q=C₂

		d	ρ	Label	ID
D₉₀		90	2+	D90	180,11

Semidirect products G=N:Q with N=D₄₅ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
D₄₅⋊C₂ = D₅×D₉	φ: C₂/C₁ → C₂ ⊆ Out D₄₅	45	4+	D45:C2	180,7

׿

×

⋊

ℤ

𝔽

○

≀

ℚ

◁