The Steinitz Class of the Mordell–Weil G
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David S. Dummit; Wendy L. Miller
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Article
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1996
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Elsevier Science
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English
⚖ 998 KB
Explicit complex multiplications for some elliptic curves with CM by O=Z[-&10] are given and used to determine the O-module structure of the Mordell Weil groups of the curves over Q(-&10, -5). The Steinitz class of these modules is determined and in particular shown not to be an isogeny invariant.