Extensions 1→N→G→Q→1 with N=C2 and Q=C7:S4

Direct product G=NxQ with N=C2 and Q=C7:S4
dρLabelID
C2xC7:S4426+C2xC7:S4336,215


Non-split extensions G=N.Q with N=C2 and Q=C7:S4
extensionφ:Q→Aut NdρLabelID
C2.1(C7:S4) = A4:Dic7central extension (φ=1)846-C2.1(C7:S4)336,120
C2.2(C7:S4) = Q8.D21central stem extension (φ=1)1124-C2.2(C7:S4)336,118
C2.3(C7:S4) = Q8:D21central stem extension (φ=1)564+C2.3(C7:S4)336,119

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