Learn more

Refine search


Results (3 matches)

  displayed columns for results
Label Class Base field Conductor norm Rank Torsion CM Sato-Tate Regulator Period Leading coeff j-invariant Weierstrass coefficients Weierstrass equation
91.1-a5 91.1-a \(\Q(\zeta_{7})^+\) \( 7 \cdot 13 \) 0 $\Z/8\Z$ $\mathrm{SU}(2)$ $1$ $145.8010047$ 0.650897342 \( \frac{3379823}{1183} a^{2} - \frac{1448892}{1183} a - \frac{6890188}{1183} \) \( \bigl[a^{2} - 2\) , \( a^{2} - 3\) , \( 0\) , \( 1\) , \( 0\bigr] \) ${y}^2+\left(a^{2}-2\right){x}{y}={x}^{3}+\left(a^{2}-3\right){x}^{2}+{x}$
637.3-a4 637.3-a \(\Q(\zeta_{7})^+\) \( 7^{2} \cdot 13 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $15.69527055$ 1.121090754 \( \frac{3379823}{1183} a^{2} - \frac{1448892}{1183} a - \frac{6890188}{1183} \) \( \bigl[a^{2} + a - 1\) , \( -a^{2} + 3\) , \( a + 1\) , \( a^{2} - a + 3\) , \( 7 a - 3\bigr] \) ${y}^2+\left(a^{2}+a-1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+3\right){x}^{2}+\left(a^{2}-a+3\right){x}+7a-3$
1183.5-c6 1183.5-c \(\Q(\zeta_{7})^+\) \( 7 \cdot 13^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $16.79636781$ 1.199740558 \( \frac{3379823}{1183} a^{2} - \frac{1448892}{1183} a - \frac{6890188}{1183} \) \( \bigl[a + 1\) , \( 1\) , \( a^{2} + a - 1\) , \( 2 a^{2} - 4 a + 2\) , \( 9 a^{2} - 18 a + 6\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-1\right){y}={x}^{3}+{x}^{2}+\left(2a^{2}-4a+2\right){x}+9a^{2}-18a+6$
  displayed columns for results

  *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.