4.1.1.15 FiniteFields Objects

class FiniteFields
The category of all finite fields.

sage: K = FiniteFields()
sage: K
Category of finite fields
sage: FiniteField(17) in K
True
sage: RationalField() in K
False
sage: K(RationalField())
Traceback (most recent call last):
...
TypeError: unable to canonically associate a finite field to Rational Field
Instances of class FiniteFields also have the following special methods:

__call__,$  $ __contains__

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