Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂xC₄xD₉

Direct product G=NxQ with N=C₂ and Q=C₂xC₄xD₉

		d	ρ	Label	ID
C₂²xC₄xD₉		144		C2^2xC4xD9	288,353

Non-split extensions G=N.Q with N=C₂ and Q=C₂xC₄xD₉

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂xC₄xD₉) = C₄²xD₉	central extension (φ=1)	144		C2.1(C2xC4xD9)	288,81
C₂.₂(C₂xC₄xD₉) = C₂xC₈xD₉	central extension (φ=1)	144		C2.2(C2xC4xD9)	288,110
C₂.₃(C₂xC₄xD₉) = C₂xC₄xDic₉	central extension (φ=1)	288		C2.3(C2xC4xD9)	288,132
C₂.₄(C₂xC₄xD₉) = C₄xDic₁₈	central stem extension (φ=1)	288		C2.4(C2xC4xD9)	288,78
C₂.₅(C₂xC₄xD₉) = C₄²:₂D₉	central stem extension (φ=1)	144		C2.5(C2xC4xD9)	288,82
C₂.₆(C₂xC₄xD₉) = C₄xD₃₆	central stem extension (φ=1)	144		C2.6(C2xC4xD9)	288,83
C₂.₇(C₂xC₄xD₉) = C₂³.₁₆D₁₈	central stem extension (φ=1)	144		C2.7(C2xC4xD9)	288,87
C₂.₈(C₂xC₄xD₉) = C₂²:C₄xD₉	central stem extension (φ=1)	72		C2.8(C2xC4xD9)	288,90
C₂.₉(C₂xC₄xD₉) = Dic₉:₄D₄	central stem extension (φ=1)	144		C2.9(C2xC4xD9)	288,91
C₂.₁₀(C₂xC₄xD₉) = Dic₉:₃Q₈	central stem extension (φ=1)	288		C2.10(C2xC4xD9)	288,97
C₂.₁₁(C₂xC₄xD₉) = C₄:C₄xD₉	central stem extension (φ=1)	144		C2.11(C2xC4xD9)	288,101
C₂.₁₂(C₂xC₄xD₉) = C₄:C₄:₇D₉	central stem extension (φ=1)	144		C2.12(C2xC4xD9)	288,102
C₂.₁₃(C₂xC₄xD₉) = D₃₆:C₄	central stem extension (φ=1)	144		C2.13(C2xC4xD9)	288,103
C₂.₁₄(C₂xC₄xD₉) = C₂xC₈:D₉	central stem extension (φ=1)	144		C2.14(C2xC4xD9)	288,111
C₂.₁₅(C₂xC₄xD₉) = D₃₆.₂C₄	central stem extension (φ=1)	144	2	C2.15(C2xC4xD9)	288,112
C₂.₁₆(C₂xC₄xD₉) = M₄(2)xD₉	central stem extension (φ=1)	72	4	C2.16(C2xC4xD9)	288,116
C₂.₁₇(C₂xC₄xD₉) = D₃₆.C₄	central stem extension (φ=1)	144	4	C2.17(C2xC4xD9)	288,117
C₂.₁₈(C₂xC₄xD₉) = C₂xDic₉:C₄	central stem extension (φ=1)	288		C2.18(C2xC4xD9)	288,133
C₂.₁₉(C₂xC₄xD₉) = C₂xD₁₈:C₄	central stem extension (φ=1)	144		C2.19(C2xC4xD9)	288,137
C₂.₂₀(C₂xC₄xD₉) = C₄xC₉:D₄	central stem extension (φ=1)	144		C2.20(C2xC4xD9)	288,138

Extensions 1→N→G→Q→1 with N=C2 and Q=C2xC4xD9

Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂xC₄xD₉