Extensions 1→N→G→Q→1 with N=C3 and Q=C7xD9

Direct product G=NxQ with N=C3 and Q=C7xD9
dρLabelID
D9xC211262D9xC21378,32

Semidirect products G=N:Q with N=C3 and Q=C7xD9
extensionφ:Q→Aut NdρLabelID
C3:(C7xD9) = C7xC9:S3φ: C7xD9/C63C2 ⊆ Aut C3189C3:(C7xD9)378,40

Non-split extensions G=N.Q with N=C3 and Q=C7xD9
extensionφ:Q→Aut NdρLabelID
C3.(C7xD9) = C7xD27φ: C7xD9/C63C2 ⊆ Aut C31892C3.(C7xD9)378,3

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