Direct product of groups (External and Internal). Isomorphism theorems - Diamond isomorphism theorem, Butterfly Lemma, Conjugate classes, Sylows theorm, p- sylow theorem .
Commutators, Derived subgroups, Normal series and Solvable groups, Composition series, Refinement theorem and Jordan-Holder theorem for infinite groups.
Field theory - Extension fields, Algebraic and Transcendental extensions, Separable and inseparable extensions, Normal extensions. Splitting fields.
Galois theory - the elements of Galois theory, Fundamental theorem of Galois theory , Solvalibility by radicals.
1. Deepak Chatterjee,Abstract Algebra.PHI. Ltd.New Delhi.
2. Malcolm Birkoff ,Abstract Algebra , Cambridge University Press