Extensions 1→N→G→Q→1 with N=C₁₈ and Q=C₁₅

Direct product G=N×Q with N=C₁₈ and Q=C₁₅

		d	ρ	Label	ID
C₃×C₉₀		270		C3xC90	270,20

Semidirect products G=N:Q with N=C₁₈ and Q=C₁₅

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈⋊C₁₅ = C₁₀×3_-¹⁺²	φ: C₁₅/C₅ → C₃ ⊆ Aut C₁₈	90	3	C18:C15	270,22

׿

×

⋊

ℤ

𝔽

○

≀

ℚ

◁