Extensions 1→N→G→Q→1 with N=Q8 and Q=C9

Direct product G=NxQ with N=Q8 and Q=C9
dρLabelID
Q8xC9722Q8xC972,11

Semidirect products G=N:Q with N=Q8 and Q=C9
extensionφ:Q→Out NdρLabelID
Q8:C9 = Q8:C9φ: C9/C3C3 ⊆ Out Q8722Q8:C972,3


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