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

Direct product G=NxQ with N=D₄:D₉ and Q=C₂

		d	ρ	Label	ID
C₂xD₄:D₉		144		C2xD4:D9	288,142

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

extension	φ:Q→Out N	d	ρ	Label	ID
D₄:D₉:₁C₂ = D₈xD₉	φ: C₂/C₁ → C₂ ⊆ Out D₄:D₉	72	4+	D4:D9:1C2	288,120
D₄:D₉:₂C₂ = D₈:D₉	φ: C₂/C₁ → C₂ ⊆ Out D₄:D₉	72	4	D4:D9:2C2	288,121
D₄:D₉:₃C₂ = D₇₂:C₂	φ: C₂/C₁ → C₂ ⊆ Out D₄:D₉	72	4+	D4:D9:3C2	288,124
D₄:D₉:₄C₂ = SD₁₆:₃D₉	φ: C₂/C₁ → C₂ ⊆ Out D₄:D₉	144	4	D4:D9:4C2	288,126
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	72	4+	D4:D9:6C2	288,160
D₄:D₉:₇C₂ = D₄.₉D₁₈	φ: trivial image	144	4	D4:D9:7C2	288,161

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