Dummit And Foote Solutions Chapter | 14
Chapter 14 of Abstract Algebra (3rd Edition) by David S. Dummit and Richard M. Foote covers , a major branch of algebra relating field theory to group theory.
To find a subfield, look for elements that remain invariant under a specific subgroup of automorphisms. Resources for Solutions Dummit And Foote Solutions Chapter 14
(Also, please confirm if you are looking for something specific like a particular exercise solution etc) Chapter 14 of Abstract Algebra (3rd Edition) by David S