Extensions 1→N→G→Q→1 with N=C₂ and Q=C₄.Dic₉

Direct product G=N×Q with N=C₂ and Q=C₄.Dic₉

		d	ρ	Label	ID
C₂×C₄.Dic₉		144		C2xC4.Dic9	288,131

Non-split extensions G=N.Q with N=C₂ and Q=C₄.Dic₉

extension	φ:Q→Aut N	d	Label	ID
C₂.₁(C₄.Dic₉) = C₄².D₉	central extension (φ=1)	288	C2.1(C4.Dic9)	288,10
C₂.₂(C₄.Dic₉) = C₃₆⋊C₈	central extension (φ=1)	288	C2.2(C4.Dic9)	288,11
C₂.₃(C₄.Dic₉) = C₃₆.₅₅D₄	central extension (φ=1)	144	C2.3(C4.Dic9)	288,37

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Extensions 1→N→G→Q→1 with N=C2 and Q=C4.Dic9