Extensions 1→N→G→Q→1 with N=D9 and Q=C9

Direct product G=N×Q with N=D9 and Q=C9
dρLabelID
C9×D9182C9xD9162,3

Semidirect products G=N:Q with N=D9 and Q=C9
extensionφ:Q→Out NdρLabelID
D9⋊C9 = C9⋊C18φ: C9/C3C3 ⊆ Out D9186D9:C9162,6


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