FLINT3.7.0-dev

arb_fmpz_poly_deflation

Synopsis#include <flint/arb_fmpz_poly.h>
ulong arb_fmpz_poly_deflation(const fmpz_poly_t poly)source

Returns the largest d such that \mathit{poly}(x) = g(x^d) for an integer polynomial g, that is, the GCD of the exponents of the nonconstant terms. For a constant polynomial the result is 1, and for the zero polynomial 0.

Cite this page

The FLINT team, “arb_fmpz_poly_deflation (arb_fmpz_poly.h),” FLINT: Fast Library for Number Theory, documentation, version 3.7.0-dev, 2026. https://flintlib.org/doc/arb_fmpz_poly/arb_fmpz_poly_deflation.html (generated 2026-10-20).