Extensions 1→N→G→Q→1 with N=C18 and Q=C26

Direct product G=NxQ with N=C18 and Q=C26
dρLabelID
C2xC234468C2xC234468,18

Semidirect products G=N:Q with N=C18 and Q=C26
extensionφ:Q→Aut NdρLabelID
C18:C26 = D9xC26φ: C26/C13C2 ⊆ Aut C182342C18:C26468,16

Non-split extensions G=N.Q with N=C18 and Q=C26
extensionφ:Q→Aut NdρLabelID
C18.C26 = C13xDic9φ: C26/C13C2 ⊆ Aut C184682C18.C26468,3

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