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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-a2 25.1-a \(\Q(\sqrt{21}) \) \( 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4.961531894$ 1.082695022 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( 29 a - 66\) , \( -125 a + 369\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(29a-66\right){x}-125a+369$
25.1-b2 25.1-b \(\Q(\sqrt{21}) \) \( 5^{2} \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $1.949771685$ 1.276425190 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[a\) , \( a\) , \( a\) , \( 22 a + 33\) , \( 56 a + 96\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+a{x}^{2}+\left(22a+33\right){x}+56a+96$
225.1-c2 225.1-c \(\Q(\sqrt{21}) \) \( 3^{2} \cdot 5^{2} \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $3.110282045$ 0.904958914 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[a + 1\) , \( 0\) , \( a + 1\) , \( 285 a + 507\) , \( 1611 a + 2888\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(285a+507\right){x}+1611a+2888$
225.1-d2 225.1-d \(\Q(\sqrt{21}) \) \( 3^{2} \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.036760681$ 0.904958914 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[1\) , \( -1\) , \( a + 1\) , \( 28 a - 23\) , \( 42 a - 188\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(28a-23\right){x}+42a-188$
625.1-k2 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.389954337$ 1.361520203 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[a\) , \( -1\) , \( a\) , \( 523 a + 807\) , \( 3210 a + 5112\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(523a+807\right){x}+3210a+5112$
625.1-l2 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.992306378$ 0.866156017 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( 663 a - 1757\) , \( -15323 a + 42641\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(663a-1757\right){x}-15323a+42641$
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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.