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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
15.1-a8 15.1-a \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.547989231$ 1.315775981 \( \frac{56667352321}{15} \) \( \bigl[a\) , \( 1\) , \( a\) , \( -80\) , \( -402\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+{x}^{2}-80{x}-402$
15.1-b8 15.1-b \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.547989231$ 1.315775981 \( \frac{56667352321}{15} \) \( \bigl[a + 1\) , \( 1\) , \( 0\) , \( -2559 a - 9913\) , \( -144782 a - 560747\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+{x}^{2}+\left(-2559a-9913\right){x}-144782a-560747$
15.1-c8 15.1-c \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) $1$ $\Z/2\Z\oplus\Z/4\Z$ $\mathrm{SU}(2)$ $2.400975354$ $31.38702211$ 1.216108162 \( \frac{56667352321}{15} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -80\) , \( 242\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}+{x}^{2}-80{x}+242$
15.1-d8 15.1-d \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1.300312843$ $31.38702211$ 2.634464464 \( \frac{56667352321}{15} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -2563 a - 9924\) , \( 137100 a + 530986\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-2563a-9924\right){x}+137100a+530986$
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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.