Math 2.0

Number theory Quadratic residues and reciprocity Concept

Jacobi symbol

Summary

The Jacobi symbol (an)\left(\frac{a}{n}\right) extends the Legendre symbol to each odd positive integer nn, as a product over the prime factors of nn. The definition of the Jacobi symbol gives the precise form.

Further reading

  1. Web https://en.wikipedia.org/wiki/Jacobi_symbol, lead section
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