In mathematics, a dihedral group is the group of symmetries of a regular polygon, including both rotations and reflections. What is a dihedral group? In mathematics, a dihedral group is the group of ...

We describe Galois extensions where the Galois group is the quasi-dihedral, dihedral or modular group of order 16, and use this description to produce generic polynomials.

The Journal of the American Mathematical Society, begun in 1988, is published quarterly. It contains research articles of the highest quality in all areas of pure and applied mathematics. Publisher ...