Extensions 1→N→G→Q→1 with N=D₄.D₉ and Q=C₂

Direct product G=N×Q with N=D₄.D₉ and Q=C₂

		d	ρ	Label	ID
C₂×D₄.D₉		144		C2xD4.D9	288,141

Semidirect products G=N:Q with N=D₄.D₉ and Q=C₂

extension	φ:Q→Out N	d	ρ	Label	ID
D₄.D₉⋊₁C₂ = D₈⋊D₉	φ: C₂/C₁ → C₂ ⊆ Out D₄.D₉	72	4	D4.D9:1C2	288,121
D₄.D₉⋊₂C₂ = D₈⋊₃D₉	φ: C₂/C₁ → C₂ ⊆ Out D₄.D₉	144	4-	D4.D9:2C2	288,122
D₄.D₉⋊₃C₂ = SD₁₆×D₉	φ: C₂/C₁ → C₂ ⊆ Out D₄.D₉	72	4	D4.D9:3C2	288,123
D₄.D₉⋊₄C₂ = SD₁₆⋊D₉	φ: C₂/C₁ → C₂ ⊆ Out D₄.D₉	144	4-	D4.D9:4C2	288,125
D₄.D₉⋊₅C₂ = D₃₆⋊₆C₂²	φ: C₂/C₁ → C₂ ⊆ Out D₄.D₉	72	4	D4.D9:5C2	288,143
D₄.D₉⋊₆C₂ = D₄.D₁₈	φ: C₂/C₁ → C₂ ⊆ Out D₄.D₉	144	4-	D4.D9:6C2	288,159
D₄.D₉⋊₇C₂ = D₄.₉D₁₈	φ: trivial image	144	4	D4.D9:7C2	288,161

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