Extensions 1→N→G→Q→1 with N=C₄ and Q=F₉

Direct product G=N×Q with N=C₄ and Q=F₉

		d	ρ	Label	ID
C₄×F₉		36	8	C4xF9	288,863

Semidirect products G=N:Q with N=C₄ and Q=F₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄⋊F₉ = C₄⋊F₉	φ: F₉/C₃²⋊C₄ → C₂ ⊆ Aut C₄	36	8	C4:F9	288,864

Non-split extensions G=N.Q with N=C₄ and Q=F₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₄.F₉ = C₄.F₉	φ: F₉/C₃²⋊C₄ → C₂ ⊆ Aut C₄	48	8	C4.F9	288,862
C₄.₂F₉ = C₃²⋊C₃₂	central extension (φ=1)	96	8	C4.2F9	288,373
C₄.₃F₉ = C₄.₃F₉	central extension (φ=1)	48	8	C4.3F9	288,861

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Extensions 1→N→G→Q→1 with N=C4 and Q=F9