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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
7.3-a1 7.3-a 4.4.13888.1 \( 7 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $223.0004007$ 1.892281700 \( -\frac{294635720350}{1029} a^{3} - \frac{388473775936}{1029} a^{2} + \frac{773411784067}{1029} a + \frac{266343344894}{343} \) \( \bigl[a + 1\) , \( 0\) , \( a^{2} - a - 3\) , \( -\frac{10}{3} a^{3} - \frac{19}{3} a^{2} + \frac{34}{3} a + 13\) , \( -30 a^{3} + 7 a^{2} + 49 a + 16\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-3\right){y}={x}^{3}+\left(-\frac{10}{3}a^{3}-\frac{19}{3}a^{2}+\frac{34}{3}a+13\right){x}-30a^{3}+7a^{2}+49a+16$
7.3-b1 7.3-b 4.4.13888.1 \( 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.012743831$ $2178.566117$ 2.827041244 \( -\frac{294635720350}{1029} a^{3} - \frac{388473775936}{1029} a^{2} + \frac{773411784067}{1029} a + \frac{266343344894}{343} \) \( \bigl[a^{2} - 4\) , \( \frac{1}{3} a^{3} - \frac{5}{3} a^{2} - \frac{4}{3} a + 5\) , \( \frac{1}{3} a^{3} + \frac{1}{3} a^{2} - \frac{4}{3} a - 3\) , \( -\frac{11}{3} a^{3} + \frac{28}{3} a^{2} + \frac{44}{3} a - 34\) , \( \frac{1}{3} a^{3} - \frac{5}{3} a^{2} - \frac{7}{3} a + 4\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(\frac{1}{3}a^{3}+\frac{1}{3}a^{2}-\frac{4}{3}a-3\right){y}={x}^{3}+\left(\frac{1}{3}a^{3}-\frac{5}{3}a^{2}-\frac{4}{3}a+5\right){x}^{2}+\left(-\frac{11}{3}a^{3}+\frac{28}{3}a^{2}+\frac{44}{3}a-34\right){x}+\frac{1}{3}a^{3}-\frac{5}{3}a^{2}-\frac{7}{3}a+4$
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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.