In the Conrey labeling system we simply have $\chi_q(n_1,\cdot)\chi_q(n_2,\cdot) = \chi_q(n_1n_2,\cdot)$.
This group is (non-canonically) isomorphic to the multiplicative group $(\Z/q\Z)^\times$.
- Review status: reviewed
- Last edited by Alina Bucur on 2018-07-04 17:57:37
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- 2018-07-04 17:57:37 by Alina Bucur (Reviewed)