Extensions 1→N→G→Q→1 with N=C3 and Q=C13:C6

Direct product G=NxQ with N=C3 and Q=C13:C6
dρLabelID
C3xC13:C6396C3xC13:C6234,7

Semidirect products G=N:Q with N=C3 and Q=C13:C6
extensionφ:Q→Aut NdρLabelID
C3:(C13:C6) = D39:C3φ: C13:C6/C13:C3C2 ⊆ Aut C3396+C3:(C13:C6)234,9

Non-split extensions G=N.Q with N=C3 and Q=C13:C6
extensionφ:Q→Aut NdρLabelID
C3.(C13:C6) = C13:C18central extension (φ=1)1176C3.(C13:C6)234,1

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