Source: wikibot/kronecker-symbol
= Kronecker symbol
{wiki=Kronecker_symbol}
The Kronecker symbol, denoted as \\(\\left(\\frac\{a\}\{n\}\\right)\\), is a generalization of the Legendre symbol used in number theory. It is defined for any integer \\(a\\) and any positive integer \\(n\\) that can be expressed as a product of prime powers. The Kronecker symbol extends the properties of the Legendre symbol to include not just odd prime moduli, but also powers of 2 and arbitrary positive integers.