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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-a6 28.1-a \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.420859867$ $7.027708105$ 3.033530572 \( \frac{2251439055699625}{25088} \) \( \bigl[a + 1\) , \( -a\) , \( 1\) , \( -24576 a - 95560\) , \( 4362510 a + 16959197\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-24576a-95560\right){x}+4362510a+16959197$
28.1-b6 28.1-b \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.436190660$ 1.789507409 \( \frac{2251439055699625}{25088} \) \( \bigl[1\) , \( 0\) , \( 1\) , \( -2731\) , \( -55146\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}-2731{x}-55146$
196.1-a6 196.1-a \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.661753152$ 2.714895745 \( \frac{2251439055699625}{25088} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( 19112 a - 95572\) , \( 3107275 a - 15150360\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(19112a-95572\right){x}+3107275a-15150360$
196.1-b6 196.1-b \(\Q(\sqrt{77}) \) \( 2^{2} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.661753152$ 2.714895745 \( \frac{2251439055699625}{25088} \) \( \bigl[a\) , \( -1\) , \( a + 1\) , \( -19114 a - 76459\) , \( -3107276 a - 12043085\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-19114a-76459\right){x}-3107276a-12043085$
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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.