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

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

		d	ρ	Label	ID
C₂×C₄×Dic₉		288		C2xC4xDic9	288,132

Semidirect products G=N:Q with N=C₂×Dic₉ and Q=C₄

extension	φ:Q→Out N	d	ρ	Label	ID
(C₂×Dic₉)⋊C₄ = C₂².D₃₆	φ: C₄/C₁ → C₄ ⊆ Out C₂×Dic₉	72	4	(C2xDic9):C4	288,13
(C₂×Dic₉)⋊₂C₄ = C₁₈.C₄²	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	288		(C2xDic9):2C4	288,38
(C₂×Dic₉)⋊₃C₄ = C₂³.₁₆D₁₈	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	144		(C2xDic9):3C4	288,87
(C₂×Dic₉)⋊₄C₄ = C₂×Dic₉⋊C₄	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	288		(C2xDic9):4C4	288,133

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

extension	φ:Q→Out N	d	ρ	Label	ID
(C₂×Dic₉).C₄ = C₄.D₃₆	φ: C₄/C₁ → C₄ ⊆ Out C₂×Dic₉	144	4-	(C2xDic9).C4	288,30
(C₂×Dic₉).₂C₄ = Dic₉⋊C₈	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	288		(C2xDic9).2C4	288,22
(C₂×Dic₉).₃C₄ = C₇₂⋊C₄	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	288		(C2xDic9).3C4	288,23
(C₂×Dic₉).₄C₄ = D₁₈⋊C₈	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	144		(C2xDic9).4C4	288,27
(C₂×Dic₉).₅C₄ = C₂×C₈⋊D₉	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	144		(C2xDic9).5C4	288,111
(C₂×Dic₉).₆C₄ = M₄(2)×D₉	φ: C₄/C₂ → C₂ ⊆ Out C₂×Dic₉	72	4	(C2xDic9).6C4	288,116
(C₂×Dic₉).₇C₄ = C₈×Dic₉	φ: trivial image	288		(C2xDic9).7C4	288,21
(C₂×Dic₉).₈C₄ = C₂×C₈×D₉	φ: trivial image	144		(C2xDic9).8C4	288,110

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