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Label Class Base field Conductor norm Rank Torsion CM Sato-Tate Regulator Period Leading coeff j-invariant Weierstrass coefficients Weierstrass equation
400.8-a1 400.8-a \(\Q(\sqrt{-119}) \) \( 2^{4} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.724661610$ $2.141031885$ 1.462064300 \( -\frac{20720464}{15625} \) \( \bigl[0\) , \( 1\) , \( 0\) , \( -36\) , \( -140\bigr] \) ${y}^2={x}^3+{x}^2-36{x}-140$
400.8-b1 400.8-b \(\Q(\sqrt{-119}) \) \( 2^{4} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.982682848$ $2.141031885$ 14.07012265 \( -\frac{20720464}{15625} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -1780\) , \( 44472\bigr] \) ${y}^2={x}^3-{x}^2-1780{x}+44472$
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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.