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Results (8 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
64.1-a1 64.1-a \(\Q(\sqrt{7}) \) \( 2^{6} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $13.97585329$ 1.320594006 \( -64 \) \( \bigl[0\) , \( -a\) , \( 0\) , \( 16 a - 40\) , \( -286 a + 756\bigr] \) ${y}^2={x}^{3}-a{x}^{2}+\left(16a-40\right){x}-286a+756$
64.1-a2 64.1-a \(\Q(\sqrt{7}) \) \( 2^{6} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $27.95170658$ 1.320594006 \( 238328 \) \( \bigl[a + 1\) , \( 1\) , \( a + 1\) , \( -3\) , \( -a - 3\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+{x}^{2}-3{x}-a-3$
64.1-b1 64.1-b \(\Q(\sqrt{7}) \) \( 2^{6} \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $-4$ $N(\mathrm{U}(1))$ $0.747220376$ $27.50074327$ 1.941708926 \( 1728 \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -1\) , \( 0\bigr] \) ${y}^2={x}^{3}-{x}$
64.1-b2 64.1-b \(\Q(\sqrt{7}) \) \( 2^{6} \) $1$ $\Z/4\Z$ $-4$ $N(\mathrm{U}(1))$ $1.494440753$ $13.75037163$ 1.941708926 \( 1728 \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -48 a + 127\) , \( 0\bigr] \) ${y}^2={x}^{3}+\left(-48a+127\right){x}$
64.1-b3 64.1-b \(\Q(\sqrt{7}) \) \( 2^{6} \) $1$ $\Z/2\Z$ $-16$ $N(\mathrm{U}(1))$ $1.494440753$ $13.75037163$ 1.941708926 \( 287496 \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( 134 a - 345\) , \( 1298 a - 3425\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(134a-345\right){x}+1298a-3425$
64.1-b4 64.1-b \(\Q(\sqrt{7}) \) \( 2^{6} \) $1$ $\Z/4\Z$ $-16$ $N(\mathrm{U}(1))$ $1.494440753$ $55.00148654$ 1.941708926 \( 287496 \) \( \bigl[a + 1\) , \( a + 1\) , \( 0\) , \( 135 a - 341\) , \( -1379 a + 3661\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(135a-341\right){x}-1379a+3661$
64.1-c1 64.1-c \(\Q(\sqrt{7}) \) \( 2^{6} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $13.97585329$ 1.320594006 \( -64 \) \( \bigl[0\) , \( a\) , \( 0\) , \( -16 a - 40\) , \( 286 a + 756\bigr] \) ${y}^2={x}^{3}+a{x}^{2}+\left(-16a-40\right){x}+286a+756$
64.1-c2 64.1-c \(\Q(\sqrt{7}) \) \( 2^{6} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $27.95170658$ 1.320594006 \( 238328 \) \( \bigl[a + 1\) , \( -a + 1\) , \( a + 1\) , \( -2 a - 3\) , \( -3\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-2a-3\right){x}-3$
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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.