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		288		C2xC4xDic9	288,132

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

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₄×Dic₉) = C₄×C₉⋊C₈	central extension (φ=1)	288		C2.1(C4xDic9)	288,9
C₂.₂(C₄×Dic₉) = C₈×Dic₉	central extension (φ=1)	288		C2.2(C4xDic9)	288,21
C₂.₃(C₄×Dic₉) = C₄².D₉	central stem extension (φ=1)	288		C2.3(C4xDic9)	288,10
C₂.₄(C₄×Dic₉) = C₇₂⋊C₄	central stem extension (φ=1)	288		C2.4(C4xDic9)	288,23
C₂.₅(C₄×Dic₉) = C₁₈.C₄²	central stem extension (φ=1)	288		C2.5(C4xDic9)	288,38

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