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Mathematics
Group Theory
1. Introduction to Algebraic Structures
2. Definition of a Group
3. Fundamental Examples of Groups
4. Order of Elements and Groups
5. Subgroups
6. Cyclic Groups
7. Permutation Groups
8. Cosets and Lagrange's Theorem
9. Normal Subgroups and Quotient Groups
10. Group Homomorphisms
11. The Isomorphism Theorems
12. Group Actions
13. The Sylow Theorems
14. Direct Products and Sums
15. Structure of Finite Abelian Groups
16. Solvable and Nilpotent Groups
17. Composition Series and Jordan-Hölder Theorem
18. Free Groups and Presentations
19. Semidirect Products
20. Introduction to Representation Theory
21. Applications of Group Theory
The Sylow Theorems
p-Groups
Definition and Examples
Properties of p-Groups
Centers of p-Groups
Maximal p-Subgroups
Sylow p-Subgroups
Definition and Examples
Maximal p-Subgroups
The First Sylow Theorem
Statement and Proof
Existence of Sylow p-Subgroups
Cauchy's Theorem
The Second Sylow Theorem
Statement and Proof
Conjugacy of Sylow p-Subgroups
Normalizer Conditions
The Third Sylow Theorem
Statement and Proof
Number of Sylow p-Subgroups
Congruence Conditions
Applications of the Sylow Theorems
Proving Non-simplicity
Classifying Groups of Small Order
Structure Theorems
Counting Arguments
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14. Direct Products and Sums