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
50.1-a1 50.1-a \(\Q(\sqrt{-31}) \) \( 2 \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.619695306$ 1.558207877 \( -\frac{780929100411181}{1280000000} a - \frac{1907478885001083}{1280000000} \) \( \bigl[a + 1\) , \( a - 1\) , \( a + 1\) , \( -609 a + 1079\) , \( -674 a + 33097\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(a-1\right){x}^2+\left(-609a+1079\right){x}-674a+33097$
50.1-a2 50.1-a \(\Q(\sqrt{-31}) \) \( 2 \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4.337867144$ 1.558207877 \( \frac{2911}{20} a - \frac{193027}{20} \) \( \bigl[a + 1\) , \( a - 1\) , \( a + 1\) , \( a - 11\) , \( -9\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(a-1\right){x}^2+\left(a-11\right){x}-9$
50.1-a3 50.1-a \(\Q(\sqrt{-31}) \) \( 2 \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4.337867144$ 1.558207877 \( -\frac{19951}{50} a - \frac{47943}{50} \) \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( a + 8\) , \( -8 a\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(-a+1\right){x}^2+\left(a+8\right){x}-8a$
50.1-a4 50.1-a \(\Q(\sqrt{-31}) \) \( 2 \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.619695306$ 1.558207877 \( \frac{379001974281391}{781250000000} a - \frac{103373105456887}{781250000000} \) \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( -144 a - 112\) , \( 1415 a - 3512\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(-a+1\right){x}^2+\left(-144a-112\right){x}+1415a-3512$
  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.