Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂²×Dic₉

Direct product G=N×Q with N=C₂ and Q=C₂²×Dic₉

		d	ρ	Label	ID
C₂³×Dic₉		288		C2^3xDic9	288,365

Non-split extensions G=N.Q with N=C₂ and Q=C₂²×Dic₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂²×Dic₉) = C₂²×C₉⋊C₈	central extension (φ=1)	288		C2.1(C2^2xDic9)	288,130
C₂.₂(C₂²×Dic₉) = C₂×C₄×Dic₉	central extension (φ=1)	288		C2.2(C2^2xDic9)	288,132
C₂.₃(C₂²×Dic₉) = C₂×C₄.Dic₉	central stem extension (φ=1)	144		C2.3(C2^2xDic9)	288,131
C₂.₄(C₂²×Dic₉) = C₂×C₄⋊Dic₉	central stem extension (φ=1)	288		C2.4(C2^2xDic9)	288,135
C₂.₅(C₂²×Dic₉) = C₂³.₂₆D₁₈	central stem extension (φ=1)	144		C2.5(C2^2xDic9)	288,136
C₂.₆(C₂²×Dic₉) = D₄×Dic₉	central stem extension (φ=1)	144		C2.6(C2^2xDic9)	288,144
C₂.₇(C₂²×Dic₉) = Q₈×Dic₉	central stem extension (φ=1)	288		C2.7(C2^2xDic9)	288,155
C₂.₈(C₂²×Dic₉) = D₄.Dic₉	central stem extension (φ=1)	144	4	C2.8(C2^2xDic9)	288,158
C₂.₉(C₂²×Dic₉) = C₂×C₁₈.D₄	central stem extension (φ=1)	144		C2.9(C2^2xDic9)	288,162

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