Preface | |
Preview: Quadratic forms and modular functions Exercise | |
Bibliographic note | |
Early versions of class field theory | |
Rational definition of class field | |
Class fields for quadratic forms | |
Dirichlet characters | |
Appendix on rational number theory Exercises | |
Bibliographic note | |
Interpretation by rings and ideals | |
Rings and modules | |
Ideals and divisors | |
Ideals as homomorphisms Exercises | |
Bibliographic note | |
Finite invariants of a field | |
Integers and discriminants | |
Units and regulators | |
The zeta-function and L-Functions Exercises | |
Bibliographic note | |
Function fields | |
Rational functions | |
Riemann surfaces | |
Elliptic functions | |
Integer rings Exercises | |
Bibliographic note | |
Relative fields | |
Discriminant and different | |
Hilbert sequence of fields and groups | |
Classical illustrations | |
The Artin symbol Exercises | |
Bibliographic note | |
The WHAT theorem of class field theory | |
The two class field concepts | |
Ray class structure | |
The conductor | |
The WHAT theorem summarized | |
Analytic class field theory Exercises | |
Bibliographic note | |
The genus class field and transfer theory | |
Ring class structure and genus | |
Absolute Galois structures | |
Class transfer theory Exercises | |
Bibliographic note | |
Class fields by radicals | |
An unramified class field tower | |
A ramified tower | |
Hilbert's relative units | |
The governing field Exercises | |
Bibliographic note | |
The modular function field | |
Summation formulas | |
Special matrix and transformation groups | |
Modular fields and subfields | |
Modular equations Exercises | |
Bibliographic note | |
Class fields by modular functions | |
Modular invariants | |
Weber's theorem | |
Iteration and the icosahedron | |
Epilogue to Weber's theorem Exercises | |
Bibliographic note | |
References | |
Index | |
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