Imaginary quadratic fields with Cl2(k) = (2,2,2)
Elliot Benjamin, Franz Lemmermeyer, Chip Snyder
Abstract
In this article we classify the complex quadratic number fields k with 2-class group of type (2,2,2) whose Hilbert 2-class fields have a 2-class group of rank 2, and then determine the length of their 2-class field towers.
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