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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-a2 15.1-a \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $2.547989231$ 1.315775981 \( -\frac{147281603041}{215233605} \) \( \bigl[a\) , \( 1\) , \( a\) , \( -110\) , \( 660\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+{x}^{2}-110{x}+660$
15.1-b2 15.1-b \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.547989231$ 1.315775981 \( -\frac{147281603041}{215233605} \) \( \bigl[a + 1\) , \( 1\) , \( 0\) , \( -3519 a - 13633\) , \( 412186 a + 1596397\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+{x}^{2}+\left(-3519a-13633\right){x}+412186a+1596397$
15.1-c2 15.1-c \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $9.603901418$ $0.490422220$ 1.216108162 \( -\frac{147281603041}{215233605} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -110\) , \( -880\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}+{x}^{2}-110{x}-880$
15.1-d2 15.1-d \(\Q(\sqrt{15}) \) \( 3 \cdot 5 \) $1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $5.201251375$ $0.490422220$ 2.634464464 \( -\frac{147281603041}{215233605} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -3523 a - 13644\) , \( -422748 a - 1637318\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-3523a-13644\right){x}-422748a-1637318$
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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.