{ "id": "1102.2043", "version": "v2", "published": "2011-02-10T06:26:26.000Z", "updated": "2011-04-14T18:21:41.000Z", "title": "Norm-Euclidean Galois fields and the Generalized Riemann Hypothesis", "authors": [ "Kevin J. McGown" ], "categories": [ "math.NT" ], "abstract": "Assuming the Generalized Riemann Hypothesis (GRH), we show that the norm-Euclidean Galois cubic fields are exactly those with discriminant $\\Delta=7^2,9^2,13^2,19^2,31^2,37^2,43^2,61^2,67^2,103^2,109^2,127^2,157^2$. A large part of the proof is in establishing the following more general result: Let $K$ be a Galois number field of odd prime degree $\\ell$ and conductor $f$. Assume the GRH for $\\zeta_K(s)$. If $38(\\ell-1)^2(\\log f)^6\\log\\log f