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On a theorem of
Koch
Farshid Hajir |
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Vol. 176 (1996), No. 1, 15–18
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Abstract |
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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. |
Mathematical Subject Classification 2000
Primary: 11R37
Secondary: 11R29
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Milestones
Received: 10 December 1993
Revised: 7 December 1994
Published: 1 November 1996
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Authors |
| Farshid Hajir | |
| Department of Mathematics and
Statistics University of Massachusetts 1623C Lederle Graduate Research Tower 710 N. Pleasant Street Amherst MA 01003 United States |
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| http://www.math.umass.edu/~hajir/ | |
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