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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
1568.1-c2 1568.1-c \(\Q(\sqrt{2}) \) \( 2^{5} \cdot 7^{2} \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $0.393548229$ $16.88594825$ 2.349516090 \( \frac{125000}{49} \) \( \bigl[a\) , \( 0\) , \( 0\) , \( -2\) , \( -1\bigr] \) ${y}^2+a{x}{y}={x}^{3}-2{x}-1$
1568.1-d2 1568.1-d \(\Q(\sqrt{2}) \) \( 2^{5} \cdot 7^{2} \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $0.306002722$ $23.59896529$ 2.553131942 \( \frac{125000}{49} \) \( \bigl[a\) , \( -1\) , \( 0\) , \( -2\) , \( 1\bigr] \) ${y}^2+a{x}{y}={x}^{3}-{x}^{2}-2{x}+1$
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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.