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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
28.1-a4 28.1-a \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.262579603$ $7.027708105$ 3.033530572 \( \frac{4956477625}{941192} \) \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -321 a - 1235\) , \( 4940 a + 19211\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-321a-1235\right){x}+4940a+19211$
28.1-b4 28.1-b \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7 \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $3.925715946$ 1.789507409 \( \frac{4956477625}{941192} \) \( \bigl[1\) , \( 0\) , \( 1\) , \( -36\) , \( -70\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}-36{x}-70$
196.1-a4 196.1-a \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.985259457$ 2.714895745 \( \frac{4956477625}{941192} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( 247 a - 1247\) , \( 4154 a - 20287\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(247a-1247\right){x}+4154a-20287$
196.1-b4 196.1-b \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.985259457$ 2.714895745 \( \frac{4956477625}{941192} \) \( \bigl[a\) , \( -1\) , \( a + 1\) , \( -249 a - 999\) , \( -4155 a - 16133\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-249a-999\right){x}-4155a-16133$
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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.