Extensions 1→N→G→Q→1 with N=C2 and Q=C2×C4×D9

Direct product G=N×Q with N=C2 and Q=C2×C4×D9
dρLabelID
C22×C4×D9144C2^2xC4xD9288,353


Non-split extensions G=N.Q with N=C2 and Q=C2×C4×D9
extensionφ:Q→Aut NdρLabelID
C2.1(C2×C4×D9) = C42×D9central extension (φ=1)144C2.1(C2xC4xD9)288,81
C2.2(C2×C4×D9) = C2×C8×D9central extension (φ=1)144C2.2(C2xC4xD9)288,110
C2.3(C2×C4×D9) = C2×C4×Dic9central extension (φ=1)288C2.3(C2xC4xD9)288,132
C2.4(C2×C4×D9) = C4×Dic18central stem extension (φ=1)288C2.4(C2xC4xD9)288,78
C2.5(C2×C4×D9) = C422D9central stem extension (φ=1)144C2.5(C2xC4xD9)288,82
C2.6(C2×C4×D9) = C4×D36central stem extension (φ=1)144C2.6(C2xC4xD9)288,83
C2.7(C2×C4×D9) = C23.16D18central stem extension (φ=1)144C2.7(C2xC4xD9)288,87
C2.8(C2×C4×D9) = C22⋊C4×D9central stem extension (φ=1)72C2.8(C2xC4xD9)288,90
C2.9(C2×C4×D9) = Dic94D4central stem extension (φ=1)144C2.9(C2xC4xD9)288,91
C2.10(C2×C4×D9) = Dic93Q8central stem extension (φ=1)288C2.10(C2xC4xD9)288,97
C2.11(C2×C4×D9) = C4⋊C4×D9central stem extension (φ=1)144C2.11(C2xC4xD9)288,101
C2.12(C2×C4×D9) = C4⋊C47D9central stem extension (φ=1)144C2.12(C2xC4xD9)288,102
C2.13(C2×C4×D9) = D36⋊C4central stem extension (φ=1)144C2.13(C2xC4xD9)288,103
C2.14(C2×C4×D9) = C2×C8⋊D9central stem extension (φ=1)144C2.14(C2xC4xD9)288,111
C2.15(C2×C4×D9) = D36.2C4central stem extension (φ=1)1442C2.15(C2xC4xD9)288,112
C2.16(C2×C4×D9) = M4(2)×D9central stem extension (φ=1)724C2.16(C2xC4xD9)288,116
C2.17(C2×C4×D9) = D36.C4central stem extension (φ=1)1444C2.17(C2xC4xD9)288,117
C2.18(C2×C4×D9) = C2×Dic9⋊C4central stem extension (φ=1)288C2.18(C2xC4xD9)288,133
C2.19(C2×C4×D9) = C2×D18⋊C4central stem extension (φ=1)144C2.19(C2xC4xD9)288,137
C2.20(C2×C4×D9) = C4×C9⋊D4central stem extension (φ=1)144C2.20(C2xC4xD9)288,138

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