Extensions 1→N→G→Q→1 with N=C₉×A₄ and Q=C₂²

Direct product G=N×Q with N=C₉×A₄ and Q=C₂²

		d	ρ	Label	ID
A₄×C₂×C₁₈		108		A4xC2xC18	432,546

Semidirect products G=N:Q with N=C₉×A₄ and Q=C₂²

extension	φ:Q→Out N	d	ρ	Label	ID
(C₉×A₄)⋊C₂² = D₉×S₄	φ: C₂²/C₁ → C₂² ⊆ Out C₉×A₄	36	6+	(C9xA4):C2^2	432,521
(C₉×A₄)⋊₂C₂² = C₁₈×S₄	φ: C₂²/C₂ → C₂ ⊆ Out C₉×A₄	54	3	(C9xA4):2C2^2	432,532
(C₉×A₄)⋊₃C₂² = C₂×C₉⋊S₄	φ: C₂²/C₂ → C₂ ⊆ Out C₉×A₄	54	6+	(C9xA4):3C2^2	432,536
(C₉×A₄)⋊₄C₂² = C₂×A₄×D₉	φ: C₂²/C₂ → C₂ ⊆ Out C₉×A₄	54	6+	(C9xA4):4C2^2	432,540

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