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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
56.1-a1 56.1-a \(\Q(\sqrt{7}) \) \( 2^{3} \cdot 7 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $24.47471212$ 1.156321458 \( \frac{432}{7} \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( 14 a + 36\) , \( 221 a + 584\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(14a+36\right){x}+221a+584$
56.1-d1 56.1-d \(\Q(\sqrt{7}) \) \( 2^{3} \cdot 7 \) $1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $1.891959002$ $10.54517411$ 1.885195806 \( \frac{432}{7} \) \( \bigl[a + 1\) , \( a + 1\) , \( 0\) , \( 15 a + 40\) , \( -161 a - 426\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(15a+40\right){x}-161a-426$
392.1-b1 392.1-b \(\Q(\sqrt{7}) \) \( 2^{3} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.072068378$ 1.147513062 \( \frac{432}{7} \) \( \bigl[a + 1\) , \( a + 1\) , \( 0\) , \( 3 a + 10\) , \( 5 a + 8\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(3a+10\right){x}+5a+8$
392.1-k1 392.1-k \(\Q(\sqrt{7}) \) \( 2^{3} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.072068378$ 1.147513062 \( \frac{432}{7} \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( 2 a + 6\) , \( a + 6\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(2a+6\right){x}+a+6$
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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.