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Results (5 matches)

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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
9.1-a9 9.1-a \(\Q(\sqrt{13}) \) \( 3^{2} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.849876328$ 0.474953467 \( \frac{449577713875}{531441} a + \frac{195871055500}{177147} \) \( \bigl[a + 1\) , \( 1\) , \( a + 1\) , \( -15 a - 25\) , \( -69 a - 88\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+{x}^{2}+\left(-15a-25\right){x}-69a-88$
27.1-a9 27.1-a \(\Q(\sqrt{13}) \) \( 3^{3} \) 0 $\Z/2\Z\oplus\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $9.398308509$ 0.868873929 \( \frac{449577713875}{531441} a + \frac{195871055500}{177147} \) \( \bigl[a\) , \( 0\) , \( a\) , \( -84 a - 120\) , \( 546 a + 718\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-84a-120\right){x}+546a+718$
27.2-a9 27.2-a \(\Q(\sqrt{13}) \) \( 3^{3} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.132769503$ 0.868873929 \( \frac{449577713875}{531441} a + \frac{195871055500}{177147} \) \( \bigl[1\) , \( -a\) , \( 1\) , \( -19 a - 55\) , \( -70 a - 154\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-19a-55\right){x}-70a-154$
81.1-a9 81.1-a \(\Q(\sqrt{13}) \) \( 3^{4} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4.298286986$ 1.192130317 \( \frac{449577713875}{531441} a + \frac{195871055500}{177147} \) \( \bigl[a + 1\) , \( -1\) , \( a\) , \( -133 a - 225\) , \( 1236 a + 1523\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-133a-225\right){x}+1236a+1523$
1521.1-h9 1521.1-h \(\Q(\sqrt{13}) \) \( 3^{2} \cdot 13^{2} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.576390951$ 0.991912381 \( \frac{449577713875}{531441} a + \frac{195871055500}{177147} \) \( \bigl[a\) , \( -a - 1\) , \( a\) , \( 207 a - 548\) , \( 1928 a - 4170\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(207a-548\right){x}+1928a-4170$
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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.