Mathlean · Online math workspace
Dirichlet character calculator
Evaluate a Dirichlet character at an integer.
How to use this calculator
Edit DirichletCharacter(modulus,index,integer). Index 1 selects the principal character.
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
Character indexing follows CE's Wolfram-compatible convention; non-coprime integers have value zero.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.