Learn more

Refine search


Results (27 matches)

  displayed columns for results
Label Class Base field Conductor norm Rank Torsion CM Sato-Tate Regulator Period Leading coeff j-invariant Weierstrass coefficients Weierstrass equation
32.2-a2 32.2-a \(\Q(\sqrt{-31}) \) \( 2^{5} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.684514436$ 1.323516656 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( 0\) , \( a\) , \( 2 a + 32\) , \( -20 a + 16\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^3+\left(2a+32\right){x}-20a+16$
32.5-a2 32.5-a \(\Q(\sqrt{-31}) \) \( 2^{5} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.684514436$ 1.323516656 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( 0\) , \( a + 1\) , \( 6\) , \( -a + 4\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+6{x}-a+4$
128.2-a2 128.2-a \(\Q(\sqrt{-31}) \) \( 2^{7} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.605345143$ 0.935867602 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( a\) , \( 0\) , \( -12 a - 44\) , \( 32 a + 112\bigr] \) ${y}^2={x}^3+a{x}^2+\left(-12a-44\right){x}+32a+112$
128.7-a2 128.7-a \(\Q(\sqrt{-31}) \) \( 2^{7} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.605345143$ 0.935867602 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( -23 a - 7\) , \( 53 a + 2\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+a{x}^2+\left(-23a-7\right){x}+53a+2$
196.4-b2 196.4-b \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.785231114$ 5.002422755 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( -13 a + 40\) , \( 13 a + 88\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(-a+1\right){x}^2+\left(-13a+40\right){x}+13a+88$
196.6-b2 196.6-b \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.785231114$ 5.002422755 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[1\) , \( a\) , \( a\) , \( 4 a - 11\) , \( -8 a - 7\bigr] \) ${y}^2+{x}{y}+a{y}={x}^3+a{x}^2+\left(4a-11\right){x}-8a-7$
800.13-a2 800.13-a \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 5^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.365688988$ $1.647764948$ 3.463189654 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( -a + 1\) , \( 0\) , \( -19 a + 144\) , \( 162 a + 256\bigr] \) ${y}^2={x}^3+\left(-a+1\right){x}^2+\left(-19a+144\right){x}+162a+256$
800.15-a2 800.15-a \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.490899908$ $1.647764948$ 5.811220519 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( 37 a - 124\) , \( -293 a + 197\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(a+1\right){x}^2+\left(37a-124\right){x}-293a+197$
800.4-a2 800.4-a \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.227249771$ $1.647764948$ 5.811220519 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( a - 1\) , \( 0\) , \( -19 a + 144\) , \( -162 a - 256\bigr] \) ${y}^2={x}^3+\left(a-1\right){x}^2+\left(-19a+144\right){x}-162a-256$
800.6-a2 800.6-a \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 5^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.365688988$ $1.647764948$ 3.463189654 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( 1\) , \( 0\) , \( 13 a - 8\) , \( -27 a - 52\bigr] \) ${y}^2+a{x}{y}={x}^3+{x}^2+\left(13a-8\right){x}-27a-52$
1024.5-d2 1024.5-d \(\Q(\sqrt{-31}) \) \( 2^{10} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.302672571$ 0.935867602 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( -a\) , \( 0\) , \( -12 a - 44\) , \( -32 a - 112\bigr] \) ${y}^2={x}^3-a{x}^2+\left(-12a-44\right){x}-32a-112$
1024.7-c2 1024.7-c \(\Q(\sqrt{-31}) \) \( 2^{10} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.302672571$ 0.935867602 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( -a\) , \( 0\) , \( -49 a - 168\) , \( 473 a + 504\bigr] \) ${y}^2={x}^3-a{x}^2+\left(-49a-168\right){x}+473a+504$
1444.4-a2 1444.4-a \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 19^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.565723404$ $1.690571166$ 3.435474686 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[1\) , \( 0\) , \( a\) , \( -13 a + 6\) , \( -22 a + 68\bigr] \) ${y}^2+{x}{y}+a{y}={x}^3+\left(-13a+6\right){x}-22a+68$
1444.6-a2 1444.6-a \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 19^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.414308511$ $1.690571166$ 3.435474686 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( a + 1\) , \( 0\) , \( 15 a - 144\) , \( -163 a + 616\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(a+1\right){x}^2+\left(15a-144\right){x}-163a+616$
2592.2-b2 2592.2-b \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 3^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.584872646$ $1.228171478$ 5.593614255 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( -a - 1\) , \( 0\) , \( 27 a + 243\) , \( 459 a - 1107\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(-a-1\right){x}^2+\left(27a+243\right){x}+459a-1107$
2592.5-b2 2592.5-b \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 3^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.633949058$ $1.228171478$ 5.593614255 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( 1\) , \( a + 1\) , \( 18 a + 29\) , \( 14 a - 255\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+{x}^2+\left(18a+29\right){x}+14a-255$
3200.19-b2 3200.19-b \(\Q(\sqrt{-31}) \) \( 2^{7} \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.165145769$ 1.674130862 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -a - 69\) , \( 7 a - 200\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3-a{x}^2+\left(-a-69\right){x}+7a-200$
3200.21-e2 3200.21-e \(\Q(\sqrt{-31}) \) \( 2^{7} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.078135164$ $1.165145769$ 9.024696764 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( -a - 1\) , \( 0\) , \( -96 a + 160\) , \( 148 a - 2292\bigr] \) ${y}^2={x}^3+\left(-a-1\right){x}^2+\left(-96a+160\right){x}+148a-2292$
3200.4-e2 3200.4-e \(\Q(\sqrt{-31}) \) \( 2^{7} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.695337911$ $1.165145769$ 9.024696764 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( -a\) , \( a\) , \( 18 a - 60\) , \( 77 a - 72\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^3-a{x}^2+\left(18a-60\right){x}+77a-72$
3200.6-b2 3200.6-b \(\Q(\sqrt{-31}) \) \( 2^{7} \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.165145769$ 1.674130862 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( -a\) , \( 0\) , \( -99 a - 40\) , \( 769 a - 1096\bigr] \) ${y}^2+a{x}{y}={x}^3-a{x}^2+\left(-99a-40\right){x}+769a-1096$
3844.2-c2 3844.2-c \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 31^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.323516656$ 0.950842435 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -69 a - 88\) , \( 527 a - 82\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3-a{x}^2+\left(-69a-88\right){x}+527a-82$
4096.7-f2 4096.7-f \(\Q(\sqrt{-31}) \) \( 2^{12} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.921128609$ 0.661758328 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( 1\) , \( 0\) , \( 140 a + 191\) , \( -108 a + 4063\bigr] \) ${y}^2={x}^3+{x}^2+\left(140a+191\right){x}-108a+4063$
4096.7-h2 4096.7-h \(\Q(\sqrt{-31}) \) \( 2^{12} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.921128609$ 0.661758328 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 140 a + 191\) , \( 108 a - 4063\bigr] \) ${y}^2={x}^3-{x}^2+\left(140a+191\right){x}+108a-4063$
4900.10-d2 4900.10-d \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 5^{2} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.347115709$ $1.245593221$ 6.212403344 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( -93 a + 67\) , \( -336 a + 1859\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(a+1\right){x}^2+\left(-93a+67\right){x}-336a+1859$
4900.12-o2 4900.12-o \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 5^{2} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.287346449$ $1.245593221$ 5.142700254 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a\) , \( -1\) , \( 0\) , \( 62 a + 160\) , \( -300 a + 1356\bigr] \) ${y}^2+a{x}{y}={x}^3-{x}^2+\left(62a+160\right){x}-300a+1356$
4900.16-h2 4900.16-h \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 5^{2} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.873464498$ $1.245593221$ 5.142700254 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[1\) , \( a - 1\) , \( 0\) , \( 11 a + 48\) , \( -35 a + 120\bigr] \) ${y}^2+{x}{y}={x}^3+\left(a-1\right){x}^2+\left(11a+48\right){x}-35a+120$
4900.18-d2 4900.18-d \(\Q(\sqrt{-31}) \) \( 2^{2} \cdot 5^{2} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.471157092$ $1.245593221$ 6.212403344 \( -\frac{514073}{32} a - \frac{1025767}{32} \) \( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( -29 a - 236\) , \( -375 a - 1070\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+a{x}^2+\left(-29a-236\right){x}-375a-1070$
  displayed columns for results

  *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.