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  *The rank, regulator and analytic order of Ш are not known for all curves in the database; curves for which these are unknown will not appear in searches specifying one of these quantities.


Results (unique match)

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Label Base field Conductor Isogeny class Weierstrass coefficients
261.2-a1 \(\Q(\sqrt{-67}) \) 261.2 261.2-a \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( -4 a - 6\) , \( -3 a + 17\bigr] \)
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