Extensions 1→N→G→Q→1 with N=C9 and Q=C20

Direct product G=NxQ with N=C9 and Q=C20
dρLabelID
C1801801C180180,4

Semidirect products G=N:Q with N=C9 and Q=C20
extensionφ:Q→Aut NdρLabelID
C9:C20 = C5xDic9φ: C20/C10C2 ⊆ Aut C91802C9:C20180,1


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