Extensions 1→N→G→Q→1 with N=C₂ and Q=D₄:₂D₉

Direct product G=NxQ with N=C₂ and Q=D₄:₂D₉

		d	ρ	Label	ID
C₂xD₄:₂D₉		144		C2xD4:2D9	288,357

Non-split extensions G=N.Q with N=C₂ and Q=D₄:₂D₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(D₄:₂D₉) = C₂³.₁₆D₁₈	central extension (φ=1)	144		C2.1(D4:2D9)	288,87
C₂.₂(D₄:₂D₉) = Dic₉:₄D₄	central extension (φ=1)	144		C2.2(D4:2D9)	288,91
C₂.₃(D₄:₂D₉) = Dic₉:₃Q₈	central extension (φ=1)	288		C2.3(D4:2D9)	288,97
C₂.₄(D₄:₂D₉) = C₄:C₄:₇D₉	central extension (φ=1)	144		C2.4(D4:2D9)	288,102
C₂.₅(D₄:₂D₉) = D₄xDic₉	central extension (φ=1)	144		C2.5(D4:2D9)	288,144
C₂.₆(D₄:₂D₉) = C₂²:₂Dic₁₈	central stem extension (φ=1)	144		C2.6(D4:2D9)	288,88
C₂.₇(D₄:₂D₉) = C₂³.₈D₁₈	central stem extension (φ=1)	144		C2.7(D4:2D9)	288,89
C₂.₈(D₄:₂D₉) = C₂³.₉D₁₈	central stem extension (φ=1)	144		C2.8(D4:2D9)	288,93
C₂.₉(D₄:₂D₉) = Dic₉.D₄	central stem extension (φ=1)	144		C2.9(D4:2D9)	288,95
C₂.₁₀(D₄:₂D₉) = C₂².₄D₃₆	central stem extension (φ=1)	144		C2.10(D4:2D9)	288,96
C₂.₁₁(D₄:₂D₉) = Dic₉.Q₈	central stem extension (φ=1)	288		C2.11(D4:2D9)	288,99
C₂.₁₂(D₄:₂D₉) = C₃₆.₃Q₈	central stem extension (φ=1)	288		C2.12(D4:2D9)	288,100
C₂.₁₃(D₄:₂D₉) = D₁₈:₂Q₈	central stem extension (φ=1)	144		C2.13(D4:2D9)	288,107
C₂.₁₄(D₄:₂D₉) = C₄:C₄:D₉	central stem extension (φ=1)	144		C2.14(D4:2D9)	288,108
C₂.₁₅(D₄:₂D₉) = C₂³.₂₃D₁₈	central stem extension (φ=1)	144		C2.15(D4:2D9)	288,145
C₂.₁₆(D₄:₂D₉) = C₃₆.₁₇D₄	central stem extension (φ=1)	144		C2.16(D4:2D9)	288,146
C₂.₁₇(D₄:₂D₉) = C₃₆:₂D₄	central stem extension (φ=1)	144		C2.17(D4:2D9)	288,148
C₂.₁₈(D₄:₂D₉) = Dic₉:D₄	central stem extension (φ=1)	144		C2.18(D4:2D9)	288,149

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