quadratic residue

Let a,n be relatively prime integers. If there exists an integer x that satisfies


then a is said to be a quadratic residueMathworldPlanetmath of n. Otherwise, a is called a quadratic nonresidue of n.

Title quadratic residue
Canonical name QuadraticResidue
Date of creation 2013-03-22 11:55:19
Last modified on 2013-03-22 11:55:19
Owner mathcam (2727)
Last modified by mathcam (2727)
Numerical id 9
Author mathcam (2727)
Entry type Definition
Classification msc 11A15
Related topic LegendreSymbol
Related topic EulersCriterion
Defines quadratic non-residue
Defines quadratic nonresidue