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On Power integral bases for certain pure number fields

2020/06/19 by Fadil, L. El
#FOS: Mathematics #Number Theory (math.NT)

paper · doi:10.48550/arxiv.2006.11230

Abstract

Let K=ℚ(α) be a number field generated by a complex root α of a monic irreducible polynomial f(x)=x12-m, with m≠ 1 is a square free rational integer. In this paper, we prove that if m ≡ 2 or 3 (mod 4) and m\not≡ ∓ 1 (mod 9), then the number field K is monogenic. If m ≡ 1 (mod 8) or m≡ ∓ 1 (mod 9), then the number field K is not monogenic.

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