Math Help -> Number Theory -> Theorems -> Kronecker symbol
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Euler's Criterion — a way to tell if a number is a quadratic residue (mod p) Legendre symbol — ( a p ) , where a is any integer, and p is an odd prime Jacobi symbol — ( a n ) , where a is any integer, and n is a positive integer greater than 2, an extension of the Legendre symbol.
Euler's Criterion — a way to tell if a number is a quadratic residue (mod p)
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