Similar to ガロア拡大での素イデアルの分解

Fractional ideal

Heegner number

Power residue symbol

Discrete valuation ring

Class number formula

Class number problem

Cyclotomic character

Galois theory

Artin–Schreier theory

Galois group

Galois connection

Inverse Galois problem

Fundamental theorem of Galois theory

Composite field (mathematics)

Absolute Galois group

Simple extension

Newton's identities

Differential Galois theory

Hilbert's Theorem 90

Wiles's proof of Fermat's Last Theorem