دانلود کتاب The Theory of Groups

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CONTENTS

PREFACE TO FIRST EDITION................................. v
PREFACE TO SECOND EDITION................................ vii

I. ELEMENTS OF CROUP THEORY
§1. The Axioms of Group Theory............................ 1
§2. Permutation Groups.................................... 4
§3. Investigation of Axioms............................... 9
§4. Subgroups............................................. 10
§5. Cyclic Groups......................................... 15
§6. Finite Rotation Groups................................ 16
§7. Calculus of Complexes................................. 19
§8. The Concept of Normal Subgroup........................ 23
§9. Normalizer,Class Equation............................. 24
§10.A Theorem of Frobenius................................ 27

II. THE CONCEPT OF HOMOMORPHY AND GROUPS WITH OPERATORS

§1. Homomorphisms........................................ 35
§2. Representation of Groups by Means of Permutations..... 39
§3. Operators and Operator Homomorphies................... 44
§4. On the Automorphisms of a Group....................... 47
§5. Normal Chains and Normal Series....................... 57
§6. Commutator Groups and Commutator Forms................ 78
§7. On the Groups of an Algebra........................... 84

III. THE STRUCTURE AND CONSTRUCTION OF COMPOSITE GROUPS

§1. Direct Products...................................... 109
§2. Theorems on Direct Products.......................... 112
§3. Abelian Groups....................................... 117
§4. Basis Theorem for Abelian Groups..................... 121
§5. On the Order Ideal................................... 123


§6. Extension Theory..................................... 124
§7. Extensions with Cyclic Factor Group.................. 128
§8. Extensions with Abelian Factor Group................. 130
§9. Splitting-Groups..................................... 133

IV. SYLOW p-GROUPS AND p-GROUPS

§1. The Sylow Theorem.................................... 135
§2. Theorems on Sylow p-Groups........................... 138
§3. On p-Groups 139
§4. 0n the Enumeration Theorems of the Theory of p-Groups 152
§5. On the Descending Central Series..................... 155
§6. Hamiltonian Groups................................... 159
§7. Applications of Extension Theory..................... 161

V. TRANSFERS into A SUBGROUP

§1. Monomial Representation and Transfers into a Subgroup 164
§2. The Theorems of Burnside and Grun.................... 169
§3. Groups whose Sylow Groups are All Cyclic............. 174
§4. The Principal Ideal Theorem.......................... 176

APPENDIXES

A. Further Exercises for Chap.II......................... 181
B. Structure Theory and Direct Products. A Treatment of
Chap. III, § 2 on the Lattice-Theoretical Level ......... 188
C. Free Products and Groups Given by a Set of Generators and
a System of Defining Relations............................ 217
D. Further Exercises for Chap. III....................... 230
E. Further Exercises for Chap. IV, §5.................... 238
F. Further Exercises for Chap. IV, §1.................... 243
G. A Theorem of Wielandt. An Addendum to Chap. IV........ 245
H. Further Exercises for Chap. V, §1..................... 252

FREQUENTLY USED SYMBOLS.................................. 253
BIBLIOGRAPHY............................................. 255
AUTHORINDEX.............................................. 259
INDEX.................................................... 259