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
17.1-a1 17.1-a \(\Q(\sqrt{21}) \) \( 17 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $45.16448385$ 1.095077597 \( \frac{20811}{17} a - \frac{19591}{17} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -7\) , \( -2 a + 2\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}-7{x}-2a+2$
17.1-b1 17.1-b \(\Q(\sqrt{21}) \) \( 17 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.092314733$ $19.62917645$ 0.790848774 \( \frac{20811}{17} a - \frac{19591}{17} \) \( \bigl[a\) , \( -a\) , \( 1\) , \( -a + 1\) , \( 0\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-a+1\right){x}$
153.1-b1 153.1-b \(\Q(\sqrt{21}) \) \( 3^{2} \cdot 17 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $9.864496947$ 2.152609712 \( \frac{20811}{17} a - \frac{19591}{17} \) \( \bigl[1\) , \( a\) , \( a + 1\) , \( a - 2\) , \( -3\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(a-2\right){x}-3$
153.1-e1 153.1-e \(\Q(\sqrt{21}) \) \( 3^{2} \cdot 17 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.162669075$ $29.95731825$ 2.126807977 \( \frac{20811}{17} a - \frac{19591}{17} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( -3 a - 6\) , \( a + 1\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-3a-6\right){x}+a+1$
  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.