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The order of a Dirichlet character $\chi$ is the least positive integer $n$ such that $\chi^n$ is the trivial character of the same modulus as $\chi$. Equivalently, it is the order $n$ of the image of $\chi$ in $\mathbb{C}^\times$, the group of $n$th roots of unity.

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• Review status: reviewed
• Last edited by Pascal Molin on 2019-05-01 04:39:36
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