number field
C21312
concept
A number field is a finite-degree field extension of the rational numbers, typically obtained by adjoining to ℚ a root of a non-constant polynomial with rational (or integer) coefficients.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| number field extension | 1 |
Instances (4)
| Instance | Via concept surface |
|---|---|
|
cyclotomic fields
surface form:
cyclotomic field
|
— |
| Gaussian rationals ℚ(i) | — |
| Hilbert class field | number field extension |
|
CM fields
surface form:
CM field
|
— |