Extensions 1→N→G→Q→1 with N=C3xD9 and Q=C9

Direct product G=NxQ with N=C3xD9 and Q=C9
dρLabelID
D9xC3xC954D9xC3xC9486,91

Semidirect products G=N:Q with N=C3xD9 and Q=C9
extensionφ:Q→Out NdρLabelID
(C3xD9):C9 = C3xC9:C18φ: C9/C3C3 ⊆ Out C3xD954(C3xD9):C9486,96

Non-split extensions G=N.Q with N=C3xD9 and Q=C9
extensionφ:Q→Out NdρLabelID
(C3xD9).C9 = C9:C54φ: C9/C3C3 ⊆ Out C3xD9546(C3xD9).C9486,30
(C3xD9).2C9 = D9xC27φ: trivial image542(C3xD9).2C9486,14

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