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Results (3 matches)

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Label Class Base field Conductor norm Rank Torsion CM Sato-Tate Regulator Period Leading coeff j-invariant Weierstrass coefficients Weierstrass equation
41.2-a4 41.2-a \(\Q(\zeta_{7})^+\) \( 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.715654732$ 0.484938345 \( \frac{815501597212588028076}{115856201} a^{2} + \frac{653981503916958524755}{115856201} a - \frac{452569243682580211162}{115856201} \) \( \bigl[1\) , \( a + 1\) , \( 1\) , \( -75 a^{2} - 69 a + 35\) , \( -646 a^{2} - 526 a + 340\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-75a^{2}-69a+35\right){x}-646a^{2}-526a+340$
1681.4-a4 1681.4-a \(\Q(\zeta_{7})^+\) \( 41^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.693919232$ $1.653405056$ 1.908917005 \( \frac{815501597212588028076}{115856201} a^{2} + \frac{653981503916958524755}{115856201} a - \frac{452569243682580211162}{115856201} \) \( \bigl[a^{2} + a - 2\) , \( -a^{2} + a + 1\) , \( a^{2} + a - 2\) , \( 70 a^{2} - 267 a - 313\) , \( -2618 a^{2} - 707 a + 4273\bigr] \) ${y}^2+\left(a^{2}+a-2\right){x}{y}+\left(a^{2}+a-2\right){y}={x}^{3}+\left(-a^{2}+a+1\right){x}^{2}+\left(70a^{2}-267a-313\right){x}-2618a^{2}-707a+4273$
2009.2-a4 2009.2-a \(\Q(\zeta_{7})^+\) \( 7^{2} \cdot 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $19.74415128$ 1.410296520 \( \frac{815501597212588028076}{115856201} a^{2} + \frac{653981503916958524755}{115856201} a - \frac{452569243682580211162}{115856201} \) \( \bigl[a^{2} + a - 1\) , \( a^{2} - a - 2\) , \( a^{2} + a - 2\) , \( -1144 a^{2} - 957 a + 588\) , \( 29910 a^{2} + 24148 a - 16393\bigr] \) ${y}^2+\left(a^{2}+a-1\right){x}{y}+\left(a^{2}+a-2\right){y}={x}^{3}+\left(a^{2}-a-2\right){x}^{2}+\left(-1144a^{2}-957a+588\right){x}+29910a^{2}+24148a-16393$
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  *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.