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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-a8 28.1-a 4.4.7168.1 \( 2^{2} \cdot 7 \) $1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $4.582391323$ $69.05238521$ 2.803064709 \( -\frac{3914388170038407466610901238990}{49} a^{3} - 100598188385994848717558770176 a^{2} + \frac{17278945348576339145325144222568}{49} a + 444061887523622038076420848360 \) \( \bigl[a^{3} - 4 a + 1\) , \( a^{2} + a - 3\) , \( a^{3} - 3 a\) , \( -893 a^{3} + 1279 a^{2} + 3280 a - 4390\) , \( 15899 a^{3} - 18838 a^{2} - 73669 a + 90907\bigr] \) ${y}^2+\left(a^{3}-4a+1\right){x}{y}+\left(a^{3}-3a\right){y}={x}^{3}+\left(a^{2}+a-3\right){x}^{2}+\left(-893a^{3}+1279a^{2}+3280a-4390\right){x}+15899a^{3}-18838a^{2}-73669a+90907$
28.1-b11 28.1-b 4.4.7168.1 \( 2^{2} \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.161481534$ 1.481620801 \( -\frac{3914388170038407466610901238990}{49} a^{3} - 100598188385994848717558770176 a^{2} + \frac{17278945348576339145325144222568}{49} a + 444061887523622038076420848360 \) \( \bigl[a + 1\) , \( a^{2} - 2\) , \( a^{2} + a - 2\) , \( -3880 a^{3} + 4939 a^{2} + 17013 a - 21585\) , \( -245033 a^{3} + 308773 a^{2} + 1081266 a - 1362224\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-2\right){y}={x}^{3}+\left(a^{2}-2\right){x}^{2}+\left(-3880a^{3}+4939a^{2}+17013a-21585\right){x}-245033a^{3}+308773a^{2}+1081266a-1362224$
112.1-c5 112.1-c 4.4.7168.1 \( 2^{4} \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $14.38711602$ $0.497774362$ 4.060210127 \( -\frac{3914388170038407466610901238990}{49} a^{3} - 100598188385994848717558770176 a^{2} + \frac{17278945348576339145325144222568}{49} a + 444061887523622038076420848360 \) \( \bigl[a^{2} + a - 2\) , \( -a^{3} - a^{2} + 5 a + 3\) , \( 0\) , \( -894 a^{3} + 1277 a^{2} + 3285 a - 4378\) , \( -15515 a^{3} + 18036 a^{2} + 72567 a - 89037\bigr] \) ${y}^2+\left(a^{2}+a-2\right){x}{y}={x}^{3}+\left(-a^{3}-a^{2}+5a+3\right){x}^{2}+\left(-894a^{3}+1277a^{2}+3285a-4378\right){x}-15515a^{3}+18036a^{2}+72567a-89037$
112.1-f3 112.1-f 4.4.7168.1 \( 2^{4} \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $29.59367501$ 1.398169722 \( -\frac{3914388170038407466610901238990}{49} a^{3} - 100598188385994848717558770176 a^{2} + \frac{17278945348576339145325144222568}{49} a + 444061887523622038076420848360 \) \( \bigl[a^{3} + a^{2} - 4 a - 2\) , \( -a^{2} - a + 2\) , \( a^{2} - 3\) , \( -3879 a^{3} + 4937 a^{2} + 17009 a - 21579\) , \( 241153 a^{3} - 303835 a^{2} - 1064253 a + 1340641\bigr] \) ${y}^2+\left(a^{3}+a^{2}-4a-2\right){x}{y}+\left(a^{2}-3\right){y}={x}^{3}+\left(-a^{2}-a+2\right){x}^{2}+\left(-3879a^{3}+4937a^{2}+17009a-21579\right){x}+241153a^{3}-303835a^{2}-1064253a+1340641$
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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.