Math Help -> Number Theory -> Theorems -> Jacobi 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 Kronecker symbol — ( a n ) , where a and n are any integers, an extension of the Jacobi symbol.
Euler's Criterion — a way to tell if a number is a quadratic residue (mod p)
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