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arxiv: 1306.3998 · v2 · pith:NIZIRAYHnew · submitted 2013-06-17 · 🧮 math.NT

The spinor genus of the integral trace

classification 🧮 math.NT
keywords respgenusquadraticintegralspinortraceadditionallyarticle
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Let $K$ be a number field of degree at least $3$. In this article we show that the genus of the integral trace form of $K$ contains only one spinor genus. Additionally we show that exactly $43%$ (resp. $29%$, resp. $58%$) of quadratic (resp. real quadratic, resp. imaginary quadratic) fields have the same property.

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