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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
52.1-h2 52.1-h \(\Q(\sqrt{65}) \) \( 2^{2} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.197635432$ $18.89430030$ 1.852673694 \( -\frac{2146689}{1664} \) \( \bigl[a\) , \( -a - 1\) , \( a\) , \( 4876 a - 22104\) , \( -560288 a + 2538732\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(4876a-22104\right){x}-560288a+2538732$
52.1-i2 52.1-i \(\Q(\sqrt{65}) \) \( 2^{2} \cdot 13 \) 0 $\Z/7\Z$ $\mathrm{SU}(2)$ $1$ $18.89430030$ 4.687099046 \( -\frac{2146689}{1664} \) \( \bigl[1\) , \( -1\) , \( 1\) , \( -3\) , \( 3\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}-{x}^{2}-3{x}+3$
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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.