Bounds for the first several prime character nonresidues

Let \varepsilon > 0. We prove that there are constants m_0=m_0(\varepsilon ) and \kappa =\kappa (\varepsilon ) > 0 for which the following holds: For every integer m > m_0 and every nontrivial Dirichlet character modulo m, there are more than m^{\kappa } primes \ell \le m^{\frac {1}{4\sqrt...

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Veröffentlicht in:Proceedings of the American Mathematical Society 2017-07, Vol.145 (7), p.2815-2826
1. Verfasser: POLLACK, PAUL
Format: Artikel
Sprache:eng
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Zusammenfassung:Let \varepsilon > 0. We prove that there are constants m_0=m_0(\varepsilon ) and \kappa =\kappa (\varepsilon ) > 0 for which the following holds: For every integer m > m_0 and every nontrivial Dirichlet character modulo m, there are more than m^{\kappa } primes \ell \le m^{\frac {1}{4\sqrt {e}}+\varepsilon } with \chi (\ell )\notin \{0,1\}. The proof uses the fundamental lemma of the sieve, Norton's refinement of the Burgess bounds, and a result of Tenenbaum on the distribution of smooth numbers satisfying a coprimality condition. For quadratic characters, we demonstrate a somewhat weaker lower bound on the number of primes \ell \le m^{\frac 14+\epsilon } with \chi (\ell )=1.
ISSN:0002-9939
1088-6826
DOI:10.1090/proc/13432