Extensions 1→N→G→Q→1 with N=D₈ and Q=C₁₈

Direct product G=N×Q with N=D₈ and Q=C₁₈

		d	ρ	Label	ID
D₈×C₁₈		144		D8xC18	288,182

Semidirect products G=N:Q with N=D₈ and Q=C₁₈

extension	φ:Q→Out N	d	ρ	Label	ID
D₈⋊₁C₁₈ = C₉×D₁₆	φ: C₁₈/C₉ → C₂ ⊆ Out D₈	144	2	D8:1C18	288,61
D₈⋊₂C₁₈ = C₉×C₈⋊C₂²	φ: C₁₈/C₉ → C₂ ⊆ Out D₈	72	4	D8:2C18	288,186
D₈⋊₃C₁₈ = C₉×C₄○D₈	φ: trivial image	144	2	D8:3C18	288,185

Non-split extensions G=N.Q with N=D₈ and Q=C₁₈

extension	φ:Q→Out N	d	ρ	Label	ID
D₈.C₁₈ = C₉×SD₃₂	φ: C₁₈/C₉ → C₂ ⊆ Out D₈	144	2	D8.C18	288,62

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Extensions 1→N→G→Q→1 with N=D8 and Q=C18