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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
19.3-a1 19.3-a 3.3.1489.1 \( 19 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $35.62197492$ 2.769439609 \( -\frac{5575931}{6859} a^{2} + \frac{11039397}{6859} a + \frac{24746668}{6859} \) \( \bigl[a\) , \( -a^{2} + a + 6\) , \( a^{2} - 2 a - 6\) , \( -3 a^{2} + 8 a + 13\) , \( -6 a^{2} + 19 a + 18\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-2a-6\right){y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-3a^{2}+8a+13\right){x}-6a^{2}+19a+18$
19.3-c2 19.3-c 3.3.1489.1 \( 19 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.519040349$ $91.56975355$ 3.695107449 \( -\frac{5575931}{6859} a^{2} + \frac{11039397}{6859} a + \frac{24746668}{6859} \) \( \bigl[a + 1\) , \( a^{2} - a - 7\) , \( 1\) , \( 6 a + 13\) , \( 2 a^{2} + 4 a - 1\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(6a+13\right){x}+2a^{2}+4a-1$
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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.