Learn more

Refine search


Results (4 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
181.3-a1 181.3-a \(\Q(\zeta_{7})^+\) \( 181 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.167848697$ 0.834177641 \( \frac{44023832204770836564641}{194264244901} a^{2} - \frac{24431384735829497330761}{194264244901} a - \frac{98920654043308873836255}{194264244901} \) \( \bigl[a^{2} - 1\) , \( a^{2} - 2\) , \( a^{2} + a - 1\) , \( 274 a^{2} - 170 a - 634\) , \( 2618 a^{2} - 1512 a - 5956\bigr] \) ${y}^2+\left(a^{2}-1\right){x}{y}+\left(a^{2}+a-1\right){y}={x}^{3}+\left(a^{2}-2\right){x}^{2}+\left(274a^{2}-170a-634\right){x}+2618a^{2}-1512a-5956$
181.3-a2 181.3-a \(\Q(\zeta_{7})^+\) \( 181 \) 0 $\Z/5\Z$ $\mathrm{SU}(2)$ $1$ $145.9810872$ 0.834177641 \( -\frac{876412025}{181} a^{2} + \frac{1969280916}{181} a - \frac{702828304}{181} \) \( \bigl[a^{2} - 1\) , \( a^{2} - 2\) , \( a^{2} + a - 1\) , \( -a^{2} + 1\) , \( -a - 1\bigr] \) ${y}^2+\left(a^{2}-1\right){x}{y}+\left(a^{2}+a-1\right){y}={x}^{3}+\left(a^{2}-2\right){x}^{2}+\left(-a^{2}+1\right){x}-a-1$
181.3-b1 181.3-b \(\Q(\zeta_{7})^+\) \( 181 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.896361674$ 0.812726431 \( -\frac{35619208763908905877}{5929741} a^{2} + \frac{80035625147780316014}{5929741} a - \frac{28564382984194822905}{5929741} \) \( \bigl[a^{2} - 2\) , \( -a^{2} - a + 1\) , \( a^{2} + a - 1\) , \( -205 a^{2} + 174 a - 37\) , \( -1656 a^{2} + 1874 a - 506\bigr] \) ${y}^2+\left(a^{2}-2\right){x}{y}+\left(a^{2}+a-1\right){y}={x}^{3}+\left(-a^{2}-a+1\right){x}^{2}+\left(-205a^{2}+174a-37\right){x}-1656a^{2}+1874a-506$
181.3-b2 181.3-b \(\Q(\zeta_{7})^+\) \( 181 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $51.20176520$ 0.812726431 \( \frac{294686878478}{181} a^{2} - \frac{163537056709}{181} a - \frac{662158683937}{181} \) \( \bigl[a^{2} - 2\) , \( -a^{2} - a + 1\) , \( a^{2} + a - 1\) , \( 4 a - 2\) , \( -8 a^{2} - a + 2\bigr] \) ${y}^2+\left(a^{2}-2\right){x}{y}+\left(a^{2}+a-1\right){y}={x}^{3}+\left(-a^{2}-a+1\right){x}^{2}+\left(4a-2\right){x}-8a^{2}-a+2$
  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.