Dirichlet character
noun1
Analytic number theory, Mathematics, Number theory, Sciences A complex-valued arithmetic function χ:ℤ→ℂ that satisfies the following conditions for some positive integer m and all integers a and b
- 1) χ(ab)=χ(a)χ(b);
- 2)
2
3) χ(a+m)=χ(a).