Wild ramification bounds and simple group galois extensions ramified only at 2

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2 Scopus citations

Abstract

We consider finite Galois extensions of Qp and deduce bounds on the discriminant of such an extension based on the structure of its Galois group. We then apply these bounds to show that there are no Galois extensions of Q, unramified outside of {2,∞}, whose Galois group is one of various finite simple groups. The set of excluded finite simple groups includes several infinite families.

Original languageEnglish (US)
Pages (from-to)807-821
Number of pages15
JournalProceedings of the American Mathematical Society
Volume139
Issue number3
DOIs
StatePublished - Mar 2011

ASJC Scopus subject areas

  • Mathematics(all)
  • Applied Mathematics

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