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Results (6 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
25.1-a8 25.1-a \(\Q(\sqrt{21}) \) \( 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $19.84612757$ 1.082695022 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[a\) , \( a\) , \( a + 1\) , \( -426 a - 773\) , \( 6632 a + 11894\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(-426a-773\right){x}+6632a+11894$
25.1-b8 25.1-b \(\Q(\sqrt{21}) \) \( 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.949771685$ 1.276425190 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[a + 1\) , \( a + 1\) , \( a\) , \( 32 a - 162\) , \( 150 a - 921\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(32a-162\right){x}+150a-921$
225.1-c8 225.1-c \(\Q(\sqrt{21}) \) \( 3^{2} \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.073521363$ 0.904958914 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[1\) , \( -1\) , \( a\) , \( -239 a - 564\) , \( -3697 a - 5977\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-239a-564\right){x}-3697a-5977$
225.1-d8 225.1-d \(\Q(\sqrt{21}) \) \( 3^{2} \cdot 5^{2} \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $6.220564091$ 0.904958914 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[a\) , \( -a + 1\) , \( a\) , \( 673 a - 1936\) , \( 15542 a - 43236\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(673a-1936\right){x}+15542a-43236$
625.1-k8 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.389954337$ 1.361520203 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a + 1\) , \( 725 a - 4170\) , \( 25789 a - 109928\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(725a-4170\right){x}+25789a-109928$
625.1-l8 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.969225515$ 0.866156017 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[a\) , \( -1\) , \( a + 1\) , \( -10665 a - 19343\) , \( 910322 a + 1632068\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-10665a-19343\right){x}+910322a+1632068$
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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.