Useful Links
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
  1. 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
  1. The Sylow Theorems
    1. p-Groups
      1. Definition and Examples
        1. Properties of p-Groups
          1. Centers of p-Groups
            1. Maximal p-Subgroups
            2. Sylow p-Subgroups
              1. Definition and Examples
                1. Maximal p-Subgroups
                2. The First Sylow Theorem
                  1. Statement and Proof
                    1. Existence of Sylow p-Subgroups
                      1. Cauchy's Theorem
                      2. The Second Sylow Theorem
                        1. Statement and Proof
                          1. Conjugacy of Sylow p-Subgroups
                            1. Normalizer Conditions
                            2. The Third Sylow Theorem
                              1. Statement and Proof
                                1. Number of Sylow p-Subgroups
                                  1. Congruence Conditions
                                  2. Applications of the Sylow Theorems
                                    1. Proving Non-simplicity
                                      1. Classifying Groups of Small Order
                                        1. Structure Theorems
                                          1. Counting Arguments

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