< Kreisteilungspolynom
Kreisteilungspolynom
Es sei und seien die primitiven komplexen Einheitswurzeln. Dann heißt das Polynom
![{\displaystyle {}\Phi _{n}=\prod _{i=1}^{\varphi (n)}(X-z_{i})\in \mathbb {C} [X]\,}](../../I/b32a4c8834d12eca86a2b8a268d2601bcdc85091.svg)
das -te Kreisteilungspolynom.
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