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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
49.1-a1 49.1-a 6.6.485125.1 \( 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4658.728355$ 1.67217 \( \frac{1287545907}{7} a^{5} - \frac{1693566461}{7} a^{4} - \frac{6310424038}{7} a^{3} + \frac{5984983744}{7} a^{2} + \frac{6664599078}{7} a - \frac{1884723034}{7} \) \( \bigl[-a^{5} + 2 a^{4} + 4 a^{3} - 7 a^{2} - 3 a + 3\) , \( a^{5} - a^{4} - 5 a^{3} + 3 a^{2} + 5 a - 1\) , \( a^{4} - a^{3} - 3 a^{2} + 3 a + 2\) , \( 4 a^{5} - 8 a^{4} - 16 a^{3} + 32 a^{2} + 10 a - 24\) , \( -21 a^{5} + 37 a^{4} + 92 a^{3} - 148 a^{2} - 74 a + 90\bigr] \) ${y}^2+\left(-a^{5}+2a^{4}+4a^{3}-7a^{2}-3a+3\right){x}{y}+\left(a^{4}-a^{3}-3a^{2}+3a+2\right){y}={x}^{3}+\left(a^{5}-a^{4}-5a^{3}+3a^{2}+5a-1\right){x}^{2}+\left(4a^{5}-8a^{4}-16a^{3}+32a^{2}+10a-24\right){x}-21a^{5}+37a^{4}+92a^{3}-148a^{2}-74a+90$
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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.