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

Direct product G=N×Q with N=C2 and Q=D4⋊D9
dρLabelID
C2×D4⋊D9144C2xD4:D9288,142


Non-split extensions G=N.Q with N=C2 and Q=D4⋊D9
extensionφ:Q→Aut NdρLabelID
C2.1(D4⋊D9) = C36.Q8central extension (φ=1)288C2.1(D4:D9)288,14
C2.2(D4⋊D9) = C18.D8central extension (φ=1)144C2.2(D4:D9)288,17
C2.3(D4⋊D9) = D4⋊Dic9central extension (φ=1)144C2.3(D4:D9)288,40
C2.4(D4⋊D9) = C9⋊D16central stem extension (φ=1)1444+C2.4(D4:D9)288,33
C2.5(D4⋊D9) = D8.D9central stem extension (φ=1)1444-C2.5(D4:D9)288,34
C2.6(D4⋊D9) = C9⋊SD32central stem extension (φ=1)1444+C2.6(D4:D9)288,35
C2.7(D4⋊D9) = C9⋊Q32central stem extension (φ=1)2884-C2.7(D4:D9)288,36

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