If there is an integer such that
then is said to be a cubic residue (mod ). If not, is said to be a cubic nonresidue (mod ).
If there is an integer such that
then is said to be a cubic residue (mod ). If not, is said to be a cubic nonresidue (mod ).
Weisstein, Eric W. "Cubic Residue." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CubicResidue.html