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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
12.1-a1 12.1-a \(\Q(\sqrt{85}) \) \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.253138682$ $9.720342945$ 1.601333870 \( -\frac{2087352478285}{531441} a + \frac{21331791431651}{1062882} \) \( \bigl[a + 1\) , \( a - 1\) , \( 1\) , \( -23 a - 92\) , \( -57847 a - 237737\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-23a-92\right){x}-57847a-237737$
12.1-a2 12.1-a \(\Q(\sqrt{85}) \) \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.126569341$ $19.44068589$ 1.601333870 \( \frac{4133602}{729} a + \frac{87766517}{2916} \) \( \bigl[a + 1\) , \( a - 1\) , \( 1\) , \( -673 a - 2762\) , \( -23395 a - 96149\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-673a-2762\right){x}-23395a-96149$
12.1-b1 12.1-b \(\Q(\sqrt{85}) \) \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $9.720342945$ 2.108638445 \( -\frac{2087352478285}{531441} a + \frac{21331791431651}{1062882} \) \( \bigl[a + 1\) , \( 1\) , \( 0\) , \( 14 a - 36\) , \( -24 a + 162\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+{x}^{2}+\left(14a-36\right){x}-24a+162$
12.1-b2 12.1-b \(\Q(\sqrt{85}) \) \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $19.44068589$ 2.108638445 \( \frac{4133602}{729} a + \frac{87766517}{2916} \) \( \bigl[a + 1\) , \( 1\) , \( 0\) , \( 4 a + 14\) , \( 4 a + 16\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+{x}^{2}+\left(4a+14\right){x}+4a+16$
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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.