On the structure of the Iwasawa module for Z2-extensions of certain real biquadratic fields

被引:0
作者
El Mahi, A. [1 ]
机构
[1] Fac Sci, Oujda, Morocco
关键词
Iwasawa theory; Z(2)-extension; real biquadratic field; 2-class group; class field theory; unit; CYCLOTOMIC Z(2)-EXTENSION; LAMBDA-INVARIANT; Q(ROOT-P); IDEALS;
D O I
10.1007/s10474-024-01459-2
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
For an infinite family of real biquadratic fields k we give the structure of the Iwasawa module X = X(k(infinity)) of the Z(2)-extension of k. For these fields, we obtain that lambda = mu = 0 and nu = 2. where lambda, mu and nu are the Iwasawa invariants of the cyclotomic Z(2)-extension of k.
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页码:49 / 61
页数:13
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