Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂xC₉:D₄

Direct product G=NxQ with N=C₂ and Q=C₂xC₉:D₄

		d	ρ	Label	ID
C₂²xC₉:D₄		144		C2^2xC9:D4	288,366

Non-split extensions G=N.Q with N=C₂ and Q=C₂xC₉:D₄

extension	φ:Q→Aut N	d	ρ	Label	ID
C₂.₁(C₂xC₉:D₄) = C₂xDic₉:C₄	central extension (φ=1)	288		C2.1(C2xC9:D4)	288,133
C₂.₂(C₂xC₉:D₄) = C₂xD₁₈:C₄	central extension (φ=1)	144		C2.2(C2xC9:D4)	288,137
C₂.₃(C₂xC₉:D₄) = C₄xC₉:D₄	central extension (φ=1)	144		C2.3(C2xC9:D4)	288,138
C₂.₄(C₂xC₉:D₄) = C₂xC₁₈.D₄	central extension (φ=1)	144		C2.4(C2xC9:D4)	288,162
C₂.₅(C₂xC₉:D₄) = C₃₆.₄₉D₄	central stem extension (φ=1)	144		C2.5(C2xC9:D4)	288,134
C₂.₆(C₂xC₉:D₄) = C₂³.₂₈D₁₈	central stem extension (φ=1)	144		C2.6(C2xC9:D4)	288,139
C₂.₇(C₂xC₉:D₄) = C₃₆:₇D₄	central stem extension (φ=1)	144		C2.7(C2xC9:D4)	288,140
C₂.₈(C₂xC₉:D₄) = C₂xD₄.D₉	central stem extension (φ=1)	144		C2.8(C2xC9:D4)	288,141
C₂.₉(C₂xC₉:D₄) = C₂xD₄:D₉	central stem extension (φ=1)	144		C2.9(C2xC9:D4)	288,142
C₂.₁₀(C₂xC₉:D₄) = D₃₆:₆C₂²	central stem extension (φ=1)	72	4	C2.10(C2xC9:D4)	288,143
C₂.₁₁(C₂xC₉:D₄) = C₂³.₂₃D₁₈	central stem extension (φ=1)	144		C2.11(C2xC9:D4)	288,145
C₂.₁₂(C₂xC₉:D₄) = C₃₆.₁₇D₄	central stem extension (φ=1)	144		C2.12(C2xC9:D4)	288,146
C₂.₁₃(C₂xC₉:D₄) = C₂³:₂D₁₈	central stem extension (φ=1)	72		C2.13(C2xC9:D4)	288,147
C₂.₁₄(C₂xC₉:D₄) = C₃₆:₂D₄	central stem extension (φ=1)	144		C2.14(C2xC9:D4)	288,148
C₂.₁₅(C₂xC₉:D₄) = Dic₉:D₄	central stem extension (φ=1)	144		C2.15(C2xC9:D4)	288,149
C₂.₁₆(C₂xC₉:D₄) = C₃₆:D₄	central stem extension (φ=1)	144		C2.16(C2xC9:D4)	288,150
C₂.₁₇(C₂xC₉:D₄) = C₂xC₉:Q₁₆	central stem extension (φ=1)	288		C2.17(C2xC9:D4)	288,151
C₂.₁₈(C₂xC₉:D₄) = C₂xQ₈:₂D₉	central stem extension (φ=1)	144		C2.18(C2xC9:D4)	288,152
C₂.₁₉(C₂xC₉:D₄) = C₃₆.C₂³	central stem extension (φ=1)	144	4	C2.19(C2xC9:D4)	288,153
C₂.₂₀(C₂xC₉:D₄) = Dic₉:Q₈	central stem extension (φ=1)	288		C2.20(C2xC9:D4)	288,154
C₂.₂₁(C₂xC₉:D₄) = D₁₈:₃Q₈	central stem extension (φ=1)	144		C2.21(C2xC9:D4)	288,156
C₂.₂₂(C₂xC₉:D₄) = C₃₆.₂₃D₄	central stem extension (φ=1)	144		C2.22(C2xC9:D4)	288,157
C₂.₂₃(C₂xC₉:D₄) = D₄.D₁₈	central stem extension (φ=1)	144	4-	C2.23(C2xC9:D4)	288,159
C₂.₂₄(C₂xC₉:D₄) = D₄:D₁₈	central stem extension (φ=1)	72	4+	C2.24(C2xC9:D4)	288,160
C₂.₂₅(C₂xC₉:D₄) = D₄.₉D₁₈	central stem extension (φ=1)	144	4	C2.25(C2xC9:D4)	288,161
C₂.₂₆(C₂xC₉:D₄) = C₂⁴:₄D₉	central stem extension (φ=1)	72		C2.26(C2xC9:D4)	288,163

Extensions 1→N→G→Q→1 with N=C2 and Q=C2xC9:D4

Extensions 1→N→G→Q→1 with N=C₂ and Q=C₂xC₉:D₄