Extensions 1→N→G→Q→1 with N=C₁₈ and Q=D₅

Direct product G=N×Q with N=C₁₈ and Q=D₅

		d	ρ	Label	ID
D₅×C₁₈		90	2	D5xC18	180,9

Semidirect products G=N:Q with N=C₁₈ and Q=D₅

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈⋊D₅ = D₉₀	φ: D₅/C₅ → C₂ ⊆ Aut C₁₈	90	2+	C18:D5	180,11

Non-split extensions G=N.Q with N=C₁₈ and Q=D₅

extension	φ:Q→Aut N	d	ρ	Label	ID
C₁₈.D₅ = Dic₄₅	φ: D₅/C₅ → C₂ ⊆ Aut C₁₈	180	2-	C18.D5	180,3
C₁₈.₂D₅ = C₉×Dic₅	central extension (φ=1)	180	2	C18.2D5	180,2

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Extensions 1→N→G→Q→1 with N=C18 and Q=D5