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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
224.6-a1 224.6-a \(\Q(\sqrt{-7}) \) \( 2^{5} \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.944288598$ 1.312347190 \( \frac{2525}{7} a + \frac{8121}{7} \) \( \bigl[a + 1\) , \( -a + 1\) , \( 0\) , \( 1\) , \( 0\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(-a+1\right){x}^{2}+{x}$
224.6-a2 224.6-a \(\Q(\sqrt{-7}) \) \( 2^{5} \cdot 7 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.944288598$ 1.312347190 \( -\frac{3555}{7} a + \frac{15857}{7} \) \( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( -2\) , \( -a - 1\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}-2{x}-a-1$
224.6-a3 224.6-a \(\Q(\sqrt{-7}) \) \( 2^{5} \cdot 7 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $3.472144299$ 1.312347190 \( \frac{1482409}{49} a + \frac{907013}{49} \) \( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( 5 a - 7\) , \( 5 a - 7\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(5a-7\right){x}+5a-7$
224.6-a4 224.6-a \(\Q(\sqrt{-7}) \) \( 2^{5} \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.472144299$ 1.312347190 \( -\frac{9225207}{7} a + \frac{9710861}{7} \) \( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( 10 a - 7\) , \( -10 a - 21\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(10a-7\right){x}-10a-21$
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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.