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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-a1 41.3-a \(\Q(\zeta_{7})^+\) \( 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.357827366$ 0.484938345 \( \frac{174656123697499408263335}{13422659310152401} a^{2} + \frac{182915726357803972950650}{13422659310152401} a - \frac{115913951592431810832436}{13422659310152401} \) \( \bigl[1\) , \( a^{2} - a - 3\) , \( 0\) , \( -91 a^{2} + 101 a - 68\) , \( -646 a^{2} + 852 a - 304\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(a^{2}-a-3\right){x}^{2}+\left(-91a^{2}+101a-68\right){x}-646a^{2}+852a-304$
1681.5-a1 1681.5-a \(\Q(\zeta_{7})^+\) \( 41^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $5.387838465$ $0.826702528$ 1.908917005 \( \frac{174656123697499408263335}{13422659310152401} a^{2} + \frac{182915726357803972950650}{13422659310152401} a - \frac{115913951592431810832436}{13422659310152401} \) \( \bigl[a^{2} - 1\) , \( a^{2} - a - 1\) , \( a^{2} - 1\) , \( -1272 a^{2} - 1375 a - 299\) , \( 45529 a^{2} + 47686 a - 16832\bigr] \) ${y}^2+\left(a^{2}-1\right){x}{y}+\left(a^{2}-1\right){y}={x}^{3}+\left(a^{2}-a-1\right){x}^{2}+\left(-1272a^{2}-1375a-299\right){x}+45529a^{2}+47686a-16832$
2009.3-a2 2009.3-a \(\Q(\zeta_{7})^+\) \( 7^{2} \cdot 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $9.872075642$ 1.410296520 \( \frac{174656123697499408263335}{13422659310152401} a^{2} + \frac{182915726357803972950650}{13422659310152401} a - \frac{115913951592431810832436}{13422659310152401} \) \( \bigl[a^{2} - 2\) , \( a + 1\) , \( 0\) , \( -1192 a^{2} + 1896 a - 631\) , \( 28308 a^{2} - 54292 a + 18578\bigr] \) ${y}^2+\left(a^{2}-2\right){x}{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-1192a^{2}+1896a-631\right){x}+28308a^{2}-54292a+18578$
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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.