On the exponents of ideal class groups of cyclotomic fields

Horie, Kuniaki

doi:10.1090/S0002-9939-1993-1169030-5

On the exponents of ideal class groups of cyclotomic fields
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Proc. Amer. Math. Soc. 119 (1993), 1049-1052 Request permission

Abstract:

It will be proved that the ideal class group of the cyclotomic field of 65th roots of unity is of type $(4,4,2,2)$, and remarks on the exponents of ideal class groups of cyclotomic fields will be made.

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