Extensions 1→N→G→Q→1 with N=C₁₈ and Q=C₁₀

Direct product G=N×Q with N=C₁₈ and Q=C₁₀

		d	ρ	Label	ID
C₂×C₉₀		180		C2xC90	180,12

Semidirect products G=N:Q with N=C₁₈ and Q=C₁₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈⋊C₁₀ = C₁₀×D₉	φ: C₁₀/C₅ → C₂ ⊆ Aut C₁₈	90	2	C18:C10	180,10

Non-split extensions G=N.Q with N=C₁₈ and Q=C₁₀

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈.C₁₀ = C₅×Dic₉	φ: C₁₀/C₅ → C₂ ⊆ Aut C₁₈	180	2	C18.C10	180,1

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Extensions 1→N→G→Q→1 with N=C18 and Q=C10