Extensions 1→N→G→Q→1 with N=D₁₈ and Q=D₅

Direct product G=N×Q with N=D₁₈ and Q=D₅

		d	ρ	Label	ID
C₂×D₅×D₉		90	4+	C2xD5xD9	360,45

Semidirect products G=N:Q with N=D₁₈ and Q=D₅

extension	φ:Q→Out N	d	ρ	Label	ID
D₁₈⋊₁D₅ = C₅⋊D₃₆	φ: D₅/C₅ → C₂ ⊆ Out D₁₈	180	4+	D18:1D5	360,10
D₁₈⋊₂D₅ = C₄₅⋊D₄	φ: D₅/C₅ → C₂ ⊆ Out D₁₈	180	4-	D18:2D5	360,12

Non-split extensions G=N.Q with N=D₁₈ and Q=D₅

extension	φ:Q→Out N	d	ρ	Label	ID
D₁₈.D₅ = D₉×Dic₅	φ: trivial image	180	4-	D18.D5	360,8

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Extensions 1→N→G→Q→1 with N=D18 and Q=D5