Learn more

Refine search


Results (6 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
8.1-a1 8.1-a \(\Q(\zeta_{9})^+\) \( 2^{3} \) 0 $\Z/21\Z$ $\mathrm{SU}(2)$ $1$ $386.8008344$ 0.292366465 \( -\frac{140625}{8} \) \( \bigl[a^{2} + a - 1\) , \( -a^{2} + a + 2\) , \( a^{2} - 2\) , \( 13 a^{2} + 2 a - 44\) , \( -22 a^{2} - 3 a + 88\bigr] \) ${y}^2+\left(a^{2}+a-1\right){x}{y}+\left(a^{2}-2\right){y}={x}^{3}+\left(-a^{2}+a+2\right){x}^{2}+\left(13a^{2}+2a-44\right){x}-22a^{2}-3a+88$
64.1-a2 64.1-a 6.6.820125.1 \( 2^{6} \) $1$ $\Z/21\Z$ $\mathrm{SU}(2)$ $0.541610385$ $149614.8855$ 3.65221 \( -\frac{140625}{8} \) \( \bigl[\frac{8}{19} a^{5} + \frac{1}{19} a^{4} - \frac{60}{19} a^{3} - \frac{49}{19} a^{2} - \frac{3}{19} a + \frac{26}{19}\) , \( \frac{4}{19} a^{5} - \frac{9}{19} a^{4} - \frac{30}{19} a^{3} + \frac{61}{19} a^{2} + \frac{27}{19} a - \frac{25}{19}\) , \( \frac{6}{19} a^{5} - \frac{4}{19} a^{4} - \frac{45}{19} a^{3} + \frac{6}{19} a^{2} + \frac{12}{19} a - \frac{9}{19}\) , \( \frac{8}{19} a^{5} + \frac{1}{19} a^{4} - \frac{60}{19} a^{3} - \frac{49}{19} a^{2} - \frac{3}{19} a + \frac{7}{19}\) , \( 0\bigr] \) ${y}^2+\left(\frac{8}{19}a^{5}+\frac{1}{19}a^{4}-\frac{60}{19}a^{3}-\frac{49}{19}a^{2}-\frac{3}{19}a+\frac{26}{19}\right){x}{y}+\left(\frac{6}{19}a^{5}-\frac{4}{19}a^{4}-\frac{45}{19}a^{3}+\frac{6}{19}a^{2}+\frac{12}{19}a-\frac{9}{19}\right){y}={x}^{3}+\left(\frac{4}{19}a^{5}-\frac{9}{19}a^{4}-\frac{30}{19}a^{3}+\frac{61}{19}a^{2}+\frac{27}{19}a-\frac{25}{19}\right){x}^{2}+\left(\frac{8}{19}a^{5}+\frac{1}{19}a^{4}-\frac{60}{19}a^{3}-\frac{49}{19}a^{2}-\frac{3}{19}a+\frac{7}{19}\right){x}$
8.1-b2 8.1-b \(\Q(\zeta_{36})^+\) \( 2^{3} \) $1$ $\Z/21\Z$ $\mathrm{SU}(2)$ $0.146674927$ $149614.8855$ 1.59609 \( -\frac{140625}{8} \) \( \bigl[a^{4} - 5 a^{2} + 4\) , \( -a^{4} + 6 a^{2} - 7\) , \( a^{2} - 2\) , \( a^{4} - 8 a^{2} + 9\) , \( 2 a^{2} - 3\bigr] \) ${y}^2+\left(a^{4}-5a^{2}+4\right){x}{y}+\left(a^{2}-2\right){y}={x}^{3}+\left(-a^{4}+6a^{2}-7\right){x}^{2}+\left(a^{4}-8a^{2}+9\right){x}+2a^{2}-3$
64.1-b2 64.1-b 6.6.1292517.1 \( 2^{6} \) $1$ $\Z/21\Z$ $\mathrm{SU}(2)$ $0.755652443$ $149614.8855$ 4.05894 \( -\frac{140625}{8} \) \( \bigl[a^{5} - 6 a^{3} - a^{2} + 5 a\) , \( a^{5} - a^{4} - 6 a^{3} + 4 a^{2} + 6 a - 3\) , \( a^{4} - 5 a^{2} - a + 2\) , \( -a^{5} + 3 a^{4} + 6 a^{3} - 14 a^{2} - 8 a + 5\) , \( -2 a^{4} + 10 a^{2} + 2 a - 3\bigr] \) ${y}^2+\left(a^{5}-6a^{3}-a^{2}+5a\right){x}{y}+\left(a^{4}-5a^{2}-a+2\right){y}={x}^{3}+\left(a^{5}-a^{4}-6a^{3}+4a^{2}+6a-3\right){x}^{2}+\left(-a^{5}+3a^{4}+6a^{3}-14a^{2}-8a+5\right){x}-2a^{4}+10a^{2}+2a-3$
64.1-d2 64.1-d 6.6.1397493.1 \( 2^{6} \) $1$ $\Z/21\Z$ $\mathrm{SU}(2)$ $0.408506482$ $149614.8855$ 2.11024 \( -\frac{140625}{8} \) \( \bigl[a^{5} - 3 a^{4} - 2 a^{3} + 7 a^{2} + 2 a - 1\) , \( a^{5} - 3 a^{4} - 4 a^{3} + 11 a^{2} + 6 a - 6\) , \( a^{3} - 2 a^{2} - 2 a + 3\) , \( -1\) , \( -4 a^{5} + 12 a^{4} + 14 a^{3} - 40 a^{2} - 20 a + 21\bigr] \) ${y}^2+\left(a^{5}-3a^{4}-2a^{3}+7a^{2}+2a-1\right){x}{y}+\left(a^{3}-2a^{2}-2a+3\right){y}={x}^{3}+\left(a^{5}-3a^{4}-4a^{3}+11a^{2}+6a-6\right){x}^{2}-{x}-4a^{5}+12a^{4}+14a^{3}-40a^{2}-20a+21$
64.1-g2 64.1-g 6.6.1528713.1 \( 2^{6} \) 0 $\Z/21\Z$ $\mathrm{SU}(2)$ $1$ $149614.8855$ 2.46954 \( -\frac{140625}{8} \) \( \bigl[a^{5} - 4 a^{4} + 9 a^{2} - 2 a - 3\) , \( -a^{5} + 5 a^{4} - 3 a^{3} - 11 a^{2} + 6 a + 3\) , \( a^{4} - 3 a^{3} - 2 a^{2} + 4 a + 1\) , \( a^{5} - 7 a^{4} + 9 a^{3} + 15 a^{2} - 14 a - 7\) , \( 2 a^{4} - 6 a^{3} - 4 a^{2} + 8 a + 3\bigr] \) ${y}^2+\left(a^{5}-4a^{4}+9a^{2}-2a-3\right){x}{y}+\left(a^{4}-3a^{3}-2a^{2}+4a+1\right){y}={x}^{3}+\left(-a^{5}+5a^{4}-3a^{3}-11a^{2}+6a+3\right){x}^{2}+\left(a^{5}-7a^{4}+9a^{3}+15a^{2}-14a-7\right){x}+2a^{4}-6a^{3}-4a^{2}+8a+3$
  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.