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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
41.3-a2 41.3-a \(\Q(\zeta_{7})^+\) \( 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.715654732$ 0.484938345 \( \frac{653981503916958524755}{115856201} a^{2} - \frac{1469483101129546552831}{115856201} a + \frac{524452446825637320235}{115856201} \) \( \bigl[1\) , \( a^{2} - a - 3\) , \( 0\) , \( -71 a^{2} + 146 a - 43\) , \( -456 a^{2} + 1027 a - 381\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(a^{2}-a-3\right){x}^{2}+\left(-71a^{2}+146a-43\right){x}-456a^{2}+1027a-381$
1681.5-a2 1681.5-a \(\Q(\zeta_{7})^+\) \( 41^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.693919232$ $1.653405056$ 1.908917005 \( \frac{653981503916958524755}{115856201} a^{2} - \frac{1469483101129546552831}{115856201} a + \frac{524452446825637320235}{115856201} \) \( \bigl[a^{2} - 1\) , \( a^{2} - a - 1\) , \( a^{2} - 1\) , \( -267 a^{2} + 195 a + 96\) , \( -707 a^{2} + 3324 a - 255\bigr] \) ${y}^2+\left(a^{2}-1\right){x}{y}+\left(a^{2}-1\right){y}={x}^{3}+\left(a^{2}-a-1\right){x}^{2}+\left(-267a^{2}+195a+96\right){x}-707a^{2}+3324a-255$
2009.3-a1 2009.3-a \(\Q(\zeta_{7})^+\) \( 7^{2} \cdot 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $19.74415128$ 1.410296520 \( \frac{653981503916958524755}{115856201} a^{2} - \frac{1469483101129546552831}{115856201} a + \frac{524452446825637320235}{115856201} \) \( \bigl[a^{2} - 2\) , \( a + 1\) , \( 0\) , \( -957 a^{2} + 2101 a - 741\) , \( 25291 a^{2} - 56714 a + 20237\bigr] \) ${y}^2+\left(a^{2}-2\right){x}{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-957a^{2}+2101a-741\right){x}+25291a^{2}-56714a+20237$
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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.