SOLUTION MANUAL
First Course in Abstract Algebra A
8th Edition by John B. Fraleigh
All Chapters Full Complete
, CONTENTS
1. Sets and Relations 1
tm tm
I. Groups and Subgroups t m t m
2. Introduction and Examples 4 tm tm
3. Binary Operations 7
t m
4. Isomorphic Binary Structures 9
tm tm
5. Groups 13
6. Subgroups 17
7. Cyclic Groups 21
tm t m
8. Generators and Cayley Digraphs 24
tm tm tm
II. Permutations, Cosets, and Direct Products tm tm tm tm
9. Groups of Permutations 26
tm tm
10. Orbits, Cycles, and the Alternating Groups tm tm tm tm tm
30
11. Cosets and the Theorem of Lagrange 34
tm tm tm tm tm
12. Direct Products and Finitely Generated Abelian Groups 37
tm tm tm tm tm tm
13. Plane Isometries 42
tm
III. Homomorphisms and Factor Groups tm tm tm
14. Homomorphisms 44
15. Factor Groups 49
tm
16. Factor-Group Computations and Simple Groups
tm tm tm tm 53
17. Group Action on a Set 58
tm tm tm tm
18. Applications of G-Sets to Counting 61
tm tm tm tm
IV. Rings and Fields t m t m
19. Rings and Fields 63
tm tm
20. Integral Domains 68
tm
21. Fermat’s and Euler’s Theorems 72
tm tm tm
22. The Field of Quotients of an Integral Domain
tm tm tm tm tm tm tm 74
23. Rings of Polynomials 76
tm tm
24. Factorization of Polynomials over a Field 79
tm tm tm tm tm
25. Noncommutative Examples 85 tm
26. Ordered Rings and Fields 87
tm tm tm
V. Ideals and Factor Rings t m t m t m
27. Homomorphisms and Factor Rings 89 tm tm tm
28. Prime and Maximal Ideals 94
tm tm tm
,29. Gröbner Bases for Ideals 99
tm tm tm
, VI. Extension Fields t m
30. Introduction to Extension Fields 103tm tm tm
31. Vector Spaces 107
t m
32. Algebraic Extensions 111
tm
33. Geometric Constructions 115
tm
34. Finite Fields 116
tm
VII. Advanced Group Theory tm tm
35. Isomorphism Theorems 117 tm
36. Series of Groups 119
tm tm
37. Sylow Theorems 122
tm
38. Applications of the Sylow Theory tm tm tm tm 124
39. Free Abelian Groups 128
tm tm
40. Free Groups 130
tm
41. Group Presentations 133
tm
VIII. Groups in Topology t m t m
42. Simplicial Complexes and Homology Groups 136
tm tm tm tm
43. Computations of Homology Groups 138 tm tm tm
44. More Homology Computations and Applications 140
tm tm tm tm
45. Homological Algebra 144 tm
IX. Factorization
46. Unique Factorization Domains 148
tm tm
47. Euclidean Domains 151 tm
48. Gaussian Integers and Multiplicative Norms 154
tm tm tm tm
X. Automorphisms and Galois Theory t m t m t m
49. Automorphisms of Fields 159 tm tm
50. The Isomorphism Extension Theorem 164
tm tm tm
51. Splitting Fields 165tm
52. Separable Extensions 167
tm
53. Totally Inseparable Extensions 171
tm tm
54. Galois Theory 173
tm
55. Illustrations of Galois Theory 176 tm tm tm
56. Cyclotomic Extensions 183 tm
57. Insolvability of the Quintic 185
tm tm tm
APPENDIX tm t m Matrix tm t m Algebra 187
iv
First Course in Abstract Algebra A
8th Edition by John B. Fraleigh
All Chapters Full Complete
, CONTENTS
1. Sets and Relations 1
tm tm
I. Groups and Subgroups t m t m
2. Introduction and Examples 4 tm tm
3. Binary Operations 7
t m
4. Isomorphic Binary Structures 9
tm tm
5. Groups 13
6. Subgroups 17
7. Cyclic Groups 21
tm t m
8. Generators and Cayley Digraphs 24
tm tm tm
II. Permutations, Cosets, and Direct Products tm tm tm tm
9. Groups of Permutations 26
tm tm
10. Orbits, Cycles, and the Alternating Groups tm tm tm tm tm
30
11. Cosets and the Theorem of Lagrange 34
tm tm tm tm tm
12. Direct Products and Finitely Generated Abelian Groups 37
tm tm tm tm tm tm
13. Plane Isometries 42
tm
III. Homomorphisms and Factor Groups tm tm tm
14. Homomorphisms 44
15. Factor Groups 49
tm
16. Factor-Group Computations and Simple Groups
tm tm tm tm 53
17. Group Action on a Set 58
tm tm tm tm
18. Applications of G-Sets to Counting 61
tm tm tm tm
IV. Rings and Fields t m t m
19. Rings and Fields 63
tm tm
20. Integral Domains 68
tm
21. Fermat’s and Euler’s Theorems 72
tm tm tm
22. The Field of Quotients of an Integral Domain
tm tm tm tm tm tm tm 74
23. Rings of Polynomials 76
tm tm
24. Factorization of Polynomials over a Field 79
tm tm tm tm tm
25. Noncommutative Examples 85 tm
26. Ordered Rings and Fields 87
tm tm tm
V. Ideals and Factor Rings t m t m t m
27. Homomorphisms and Factor Rings 89 tm tm tm
28. Prime and Maximal Ideals 94
tm tm tm
,29. Gröbner Bases for Ideals 99
tm tm tm
, VI. Extension Fields t m
30. Introduction to Extension Fields 103tm tm tm
31. Vector Spaces 107
t m
32. Algebraic Extensions 111
tm
33. Geometric Constructions 115
tm
34. Finite Fields 116
tm
VII. Advanced Group Theory tm tm
35. Isomorphism Theorems 117 tm
36. Series of Groups 119
tm tm
37. Sylow Theorems 122
tm
38. Applications of the Sylow Theory tm tm tm tm 124
39. Free Abelian Groups 128
tm tm
40. Free Groups 130
tm
41. Group Presentations 133
tm
VIII. Groups in Topology t m t m
42. Simplicial Complexes and Homology Groups 136
tm tm tm tm
43. Computations of Homology Groups 138 tm tm tm
44. More Homology Computations and Applications 140
tm tm tm tm
45. Homological Algebra 144 tm
IX. Factorization
46. Unique Factorization Domains 148
tm tm
47. Euclidean Domains 151 tm
48. Gaussian Integers and Multiplicative Norms 154
tm tm tm tm
X. Automorphisms and Galois Theory t m t m t m
49. Automorphisms of Fields 159 tm tm
50. The Isomorphism Extension Theorem 164
tm tm tm
51. Splitting Fields 165tm
52. Separable Extensions 167
tm
53. Totally Inseparable Extensions 171
tm tm
54. Galois Theory 173
tm
55. Illustrations of Galois Theory 176 tm tm tm
56. Cyclotomic Extensions 183 tm
57. Insolvability of the Quintic 185
tm tm tm
APPENDIX tm t m Matrix tm t m Algebra 187
iv