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Published November 1, 1996 | Version public
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On a theorem of Koch

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Abstract

We give a short proof of a slightly stronger version of a theorem of Koch: A complex quadratic field whose ideal class group contains a subgroup of type (4, 4, 4) possesses an infinite unramified Galois pro-2 extension.

Additional Information

© 1996 Pacific Journal of Mathematics. Received December 10, 1993 and revised December 7, 1994.

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835
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CaltechAUTHORS:HAJpjm96

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http://projecteuclid.org/Dienst/UI/1.0/Summarize/euclid.pjm/1102352049 (URL)

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2005-10-12
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