Extensions 1→N→G→Q→1 with N=C19 and Q=D9

Direct product G=NxQ with N=C19 and Q=D9
dρLabelID
D9xC191712D9xC19342,3

Semidirect products G=N:Q with N=C19 and Q=D9
extensionφ:Q→Aut NdρLabelID
C19:D9 = D171φ: D9/C9C2 ⊆ Aut C191712+C19:D9342,5


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