Extensions 1→N→G→Q→1 with N=C₂ and Q=C₉×C₄⋊C₄

Direct product G=N×Q with N=C₂ and Q=C₉×C₄⋊C₄

		d	ρ	Label	ID
C₄⋊C₄×C₁₈		288		C4:C4xC18	288,166

Non-split extensions G=N.Q with N=C₂ and Q=C₉×C₄⋊C₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₉×C₄⋊C₄) = C₉×C₂.C₄²	central extension (φ=1)	288		C2.1(C9xC4:C4)	288,45
C₂.₂(C₉×C₄⋊C₄) = C₉×C₄⋊C₈	central extension (φ=1)	288		C2.2(C9xC4:C4)	288,55
C₂.₃(C₉×C₄⋊C₄) = C₉×C₄.Q₈	central stem extension (φ=1)	288		C2.3(C9xC4:C4)	288,56
C₂.₄(C₉×C₄⋊C₄) = C₉×C₂.D₈	central stem extension (φ=1)	288		C2.4(C9xC4:C4)	288,57
C₂.₅(C₉×C₄⋊C₄) = C₉×C₈.C₄	central stem extension (φ=1)	144	2	C2.5(C9xC4:C4)	288,58

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