Filaseta–Moy conjecture on the Galois groups of the sextic binomial polynomials

Let

Pn,6(X)=(n0)+(n1)X++(n6)X6P_{n,6}(X)=\binom{n}{0}+\binom{n}{1}X+\cdots+\binom{n}{6}X^6

be the degree-six truncation of the binomial expansion, and let S6\mathfrak{S}_6 denote the full symmetric group on six symbols. Filaseta–Moy conjecture. The Galois group of Pn,6P_{n,6} is isomorphic to S6\mathfrak{S}_6 for all n11n\geq 11. This conjecture refines the result that only O(logN)O(\log N) values of nNn\leq N can have a smaller Galois group; numerical computations up to 101010^{10} suggested that the known exceptional value n=10n=10 is the last one.

Sources & referencesView supporting material

Primary source

Benjamin Klahn and Marc Technau, “Galois groups of n0 + n1 X + + n6 X^6”, arXiv:2304.12658 (2023).

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