Extensions 1→N→G→Q→1 with N=C139 and Q=C2

Direct product G=N×Q with N=C139 and Q=C2
dρLabelID
C2782781C278278,2

Semidirect products G=N:Q with N=C139 and Q=C2
extensionφ:Q→Aut NdρLabelID
C139⋊C2 = D139φ: C2/C1C2 ⊆ Aut C1391392+C139:C2278,1


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