Extensions 1→N→G→Q→1 with N=C2 and Q=C18.D4

Direct product G=N×Q with N=C2 and Q=C18.D4
dρLabelID
C2×C18.D4144C2xC18.D4288,162


Non-split extensions G=N.Q with N=C2 and Q=C18.D4
extensionφ:Q→Aut NdρLabelID
C2.1(C18.D4) = C36.55D4central extension (φ=1)144C2.1(C18.D4)288,37
C2.2(C18.D4) = C18.C42central extension (φ=1)288C2.2(C18.D4)288,38
C2.3(C18.D4) = C36.D4central stem extension (φ=1)724C2.3(C18.D4)288,39
C2.4(C18.D4) = D4⋊Dic9central stem extension (φ=1)144C2.4(C18.D4)288,40
C2.5(C18.D4) = C232Dic9central stem extension (φ=1)724C2.5(C18.D4)288,41
C2.6(C18.D4) = C36.9D4central stem extension (φ=1)1444C2.6(C18.D4)288,42
C2.7(C18.D4) = Q82Dic9central stem extension (φ=1)288C2.7(C18.D4)288,43
C2.8(C18.D4) = Q83Dic9central stem extension (φ=1)724C2.8(C18.D4)288,44

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