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Results (4 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
32.1-a1 32.1-a \(\Q(\zeta_{16})^+\) \( 2^{5} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $-16$ $N(\mathrm{U}(1))$ $1$ $189.0727201$ 1.044489082 \( 287496 \) \( \bigl[a^{2} - 2\) , \( 1\) , \( 0\) , \( -2\) , \( -3\bigr] \) ${y}^2+\left(a^{2}-2\right){x}{y}={x}^{3}+{x}^{2}-2{x}-3$
32.1-a2 32.1-a \(\Q(\zeta_{16})^+\) \( 2^{5} \) 0 $\Z/2\Z\oplus\Z/8\Z$ $-16$ $N(\mathrm{U}(1))$ $1$ $3025.163522$ 1.044489082 \( 287496 \) \( \bigl[a^{2} - 2\) , \( 1\) , \( a^{2} - 2\) , \( -3\) , \( 0\bigr] \) ${y}^2+\left(a^{2}-2\right){x}{y}+\left(a^{2}-2\right){y}={x}^{3}+{x}^{2}-3{x}$
256.1-e1 256.1-e \(\Q(\zeta_{16})^+\) \( 2^{8} \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $-16$ $N(\mathrm{U}(1))$ $0.304354515$ $756.2908805$ 2.543159752 \( 287496 \) \( \bigl[a^{3} + a^{2} - 2 a - 2\) , \( a^{2} - a - 2\) , \( a^{3} + a^{2} - 2 a - 2\) , \( 6 a^{2} - 2 a - 21\) , \( -10 a^{2} - a + 33\bigr] \) ${y}^2+\left(a^{3}+a^{2}-2a-2\right){x}{y}+\left(a^{3}+a^{2}-2a-2\right){y}={x}^{3}+\left(a^{2}-a-2\right){x}^{2}+\left(6a^{2}-2a-21\right){x}-10a^{2}-a+33$
256.1-e4 256.1-e \(\Q(\zeta_{16})^+\) \( 2^{8} \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $-16$ $N(\mathrm{U}(1))$ $0.304354515$ $756.2908805$ 2.543159752 \( 287496 \) \( \bigl[a^{3} + a^{2} - 2 a - 2\) , \( a^{2} - a - 2\) , \( 0\) , \( 7 a^{2} - 20\) , \( 8 a^{2} - 26\bigr] \) ${y}^2+\left(a^{3}+a^{2}-2a-2\right){x}{y}={x}^{3}+\left(a^{2}-a-2\right){x}^{2}+\left(7a^{2}-20\right){x}+8a^{2}-26$
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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.