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→Galois Theory: clean up & uniformity
The [[Galois group]] associated to the nth cyclotomic polynomial is <math>(\mathbb{Z}/n\mathbb{Z})^*</math>, the group of cyclic units modulo n. Cyclotomic fields play an important part in [[algebra]]ic [[number theory]] and can be used to show that certain constructions posited by ancient Greek geometers are impossible, such as trisecting the angle and constructing certain regular polygons.
The [[Galois group]] associated to the nth cyclotomic polynomial is <math>(\mathbb{Z}/n\mathbb{Z})^*</math>, the group of cyclic units modulo n. Cyclotomic fields play an important part in [[algebra]]ic [[number theory]] and can be used to show that certain constructions posited by ancient Greek geometers are impossible, such as trisecting the angle and constructing certain regular polygons.
[[category:algebra]]
[[Category:Algebra]]