Group Theory Continued
This chapter continues the introduction to group theory started in the preceding chapter. Here are listed the more important concepts that are discussed in each section. Sect. 9.1: conjugate elements, conjugacy class, equivalence class, invariant (normal) subgroup, kernel of homomorphism. Sect. 9.2: coset, coset decomposition, Lagrange’s theorem. Sect. 9.3: coset composition, factor (quotient) group. Sect. 9.4: homomorphism. Sect. 9.5: set of generators, cyclic group, generating element. Sect. 9.6: direct product. Sect. 9.7: permutation, symmetric group. Sect. 9.8: Cayley’s theorem.
KeywordsConjugacy Class Cyclic Group Symmetric Group Factor Group Identity Element
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