Extensions 1→N→G→Q→1 with N=D₁₈ and Q=A₄

Direct product G=N×Q with N=D₁₈ and Q=A₄

		d	ρ	Label	ID
C₂×A₄×D₉		54	6+	C2xA4xD9	432,540

Semidirect products G=N:Q with N=D₁₈ and Q=A₄

extension	φ:Q→Out N	d	ρ	Label	ID
D₁₈⋊A₄ = C₂×D₉⋊A₄	φ: A₄/C₂² → C₃ ⊆ Out D₁₈	54	6+	D18:A4	432,539

Non-split extensions G=N.Q with N=D₁₈ and Q=A₄

extension	φ:Q→Out N	d	ρ	Label	ID
D₁₈.A₄ = D₁₈.A₄	φ: A₄/C₂² → C₃ ⊆ Out D₁₈	72	12-	D18.A4	432,263
D₁₈.₂A₄ = D₉×SL₂(𝔽₃)	φ: trivial image	72	4-	D18.2A4	432,264

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Extensions 1→N→G→Q→1 with N=D18 and Q=A4