On power bases in cyclotomic number fields

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

The current paper considers the question of power bases in the cyclotomic number field Q(ζ), ζp = 1, p an odd prime. The ring of integers is Z[ζ], and there do exist further "non-obvious" generators for this order; specifically we shall see that Z[α] = Z[ζ] for α = ζ + ζ2 + ⋯ + ζ (p-1) 2. We conjecture that, up to conjugacy, there can be no further such integral generators, and prove that this is indeed the case in Q(ζ7).

Original languageEnglish (US)
Pages (from-to)288-298
Number of pages11
JournalJournal of Number Theory
Volume28
Issue number3
DOIs
StatePublished - Mar 1988

ASJC Scopus subject areas

  • Algebra and Number Theory

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