Ideal Class Groups and Galois Modules

Author(s):  
Wen-Ch’ing Winnie Li
2007 ◽  
Vol 23 (10) ◽  
pp. 1807-1812
Author(s):  
Hai Yan Zhou

1966 ◽  
Vol 27 (1) ◽  
pp. 239-247 ◽  
Author(s):  
Kenkichi Iwasawa

In the first part of the present paper, we shall make some simple observations on the ideal class groups of algebraic number fields, following the group-theoretical method of Tschebotarew. The applications on cyclotomic fields (Theorems 5, 6) may be of some interest. In the last section, we shall give a proof to a theorem of Kummer on the ideal class group of a cyclotomic field.


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