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
21.1-a6 21.1-a \(\Q(\sqrt{42}) \) \( 3 \cdot 7 \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $20.59050663$ $0.814020435$ 5.172585655 \( \frac{53297461115137}{147} \) \( \bigl[a\) , \( -a - 1\) , \( a\) , \( -109913455 a - 712320537\) , \( -1596914887554 a - 10349191303524\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-109913455a-712320537\right){x}-1596914887554a-10349191303524$
21.1-b6 21.1-b \(\Q(\sqrt{42}) \) \( 3 \cdot 7 \) $1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $8.753013071$ $14.60752776$ 4.932302010 \( \frac{53297461115137}{147} \) \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( -163084 a - 1056802\) , \( 90983532 a + 589640870\bigr] \) ${y}^2+a{x}{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-163084a-1056802\right){x}+90983532a+589640870$
21.1-c6 21.1-c \(\Q(\sqrt{42}) \) \( 3 \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $14.60752776$ 1.126995234 \( \frac{53297461115137}{147} \) \( \bigl[a + 1\) , \( 1\) , \( a + 1\) , \( 40772 a - 264187\) , \( -11291398 a + 73176728\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+{x}^{2}+\left(40772a-264187\right){x}-11291398a+73176728$
21.1-d6 21.1-d \(\Q(\sqrt{42}) \) \( 3 \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $23.79400264$ $0.814020435$ 2.988671404 \( \frac{53297461115137}{147} \) \( \bigl[1\) , \( 0\) , \( 0\) , \( -784\) , \( -8515\bigr] \) ${y}^2+{x}{y}={x}^{3}-784{x}-8515$
  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.