Extensions 1→N→G→Q→1 with N=C9 and Q=D13

Direct product G=N×Q with N=C9 and Q=D13
dρLabelID
C9×D131172C9xD13234,4

Semidirect products G=N:Q with N=C9 and Q=D13
extensionφ:Q→Aut NdρLabelID
C9⋊D13 = D117φ: D13/C13 → C2 ⊆ Aut C91172+C9:D13234,5


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