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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
16.1-a1 16.1-a \(\Q(\sqrt{237}) \) \( 2^{4} \) 0 $\Z/2\Z$ $-3$ $N(\mathrm{U}(1))$ $1$ $17.69503190$ 2.586185635 \( 0 \) \( \bigl[0\) , \( -a - 1\) , \( 0\) , \( a + 20\) , \( 6 a - 78\bigr] \) ${y}^2={x}^{3}+\left(-a-1\right){x}^{2}+\left(a+20\right){x}+6a-78$
16.1-a2 16.1-a \(\Q(\sqrt{237}) \) \( 2^{4} \) 0 $\Z/2\Z$ $-3$ $N(\mathrm{U}(1))$ $1$ $17.69503190$ 2.586185635 \( 0 \) \( \bigl[0\) , \( a + 1\) , \( 0\) , \( a + 20\) , \( -6 a - 52\bigr] \) ${y}^2={x}^{3}+\left(a+1\right){x}^{2}+\left(a+20\right){x}-6a-52$
16.1-a3 16.1-a \(\Q(\sqrt{237}) \) \( 2^{4} \) 0 $\Z/2\Z$ $-12$ $N(\mathrm{U}(1))$ $1$ $17.69503190$ 2.586185635 \( 54000 \) \( \bigl[0\) , \( -a - 1\) , \( 0\) , \( 26 a - 185\) , \( 235 a - 1955\bigr] \) ${y}^2={x}^{3}+\left(-a-1\right){x}^{2}+\left(26a-185\right){x}+235a-1955$
16.1-a4 16.1-a \(\Q(\sqrt{237}) \) \( 2^{4} \) 0 $\Z/2\Z$ $-12$ $N(\mathrm{U}(1))$ $1$ $17.69503190$ 2.586185635 \( 54000 \) \( \bigl[0\) , \( a + 1\) , \( 0\) , \( -24 a - 160\) , \( -260 a - 1880\bigr] \) ${y}^2={x}^{3}+\left(a+1\right){x}^{2}+\left(-24a-160\right){x}-260a-1880$
19.1-a1 19.1-a \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1.583453087$ $17.75857733$ 2.435442809 \( -\frac{820169978705}{47045881} a + \frac{9033569250077}{47045881} \) \( \bigl[a + 1\) , \( -1\) , \( 1\) , \( 28 a - 100\) , \( -70 a + 869\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-{x}^{2}+\left(28a-100\right){x}-70a+869$
19.1-a2 19.1-a \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.527817695$ $17.75857733$ 2.435442809 \( \frac{1106097}{361} a + \frac{12390028}{361} \) \( \bigl[a + 1\) , \( -1\) , \( 1\) , \( 8 a + 65\) , \( 24 a + 105\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-{x}^{2}+\left(8a+65\right){x}+24a+105$
19.1-b1 19.1-b \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.003556666$ $5.131639142$ 4.014256158 \( -\frac{820169978705}{47045881} a + \frac{9033569250077}{47045881} \) \( \bigl[a\) , \( a + 1\) , \( a + 1\) , \( -445 a - 3210\) , \( -18448 a - 132776\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-445a-3210\right){x}-18448a-132776$
19.1-b2 19.1-b \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $3.010669998$ $46.18475228$ 4.014256158 \( \frac{1106097}{361} a + \frac{12390028}{361} \) \( \bigl[a\) , \( a + 1\) , \( a + 1\) , \( -40 a - 295\) , \( 153 a + 1103\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-40a-295\right){x}+153a+1103$
19.2-a1 19.2-a \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.527817695$ $17.75857733$ 2.435442809 \( -\frac{1106097}{361} a + \frac{13496125}{361} \) \( \bigl[a\) , \( -a\) , \( 1\) , \( -9 a + 74\) , \( -24 a + 129\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-9a+74\right){x}-24a+129$
19.2-a2 19.2-a \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1.583453087$ $17.75857733$ 2.435442809 \( \frac{820169978705}{47045881} a + \frac{8213399271372}{47045881} \) \( \bigl[a\) , \( -a\) , \( 1\) , \( -29 a - 71\) , \( 70 a + 799\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-29a-71\right){x}+70a+799$
19.2-b1 19.2-b \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $3.010669998$ $46.18475228$ 4.014256158 \( -\frac{1106097}{361} a + \frac{13496125}{361} \) \( \bigl[a + 1\) , \( a - 1\) , \( 0\) , \( 70 a - 306\) , \( -489 a + 4852\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(70a-306\right){x}-489a+4852$
19.2-b2 19.2-b \(\Q(\sqrt{237}) \) \( 19 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.003556666$ $5.131639142$ 4.014256158 \( \frac{820169978705}{47045881} a + \frac{8213399271372}{47045881} \) \( \bigl[a + 1\) , \( a - 1\) , \( 0\) , \( 475 a - 3626\) , \( 14792 a - 120413\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(475a-3626\right){x}+14792a-120413$
39.1-a1 39.1-a \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $17.71929219$ 3.452975138 \( \frac{5042176}{117} a + \frac{36290560}{117} \) \( \bigl[0\) , \( -a\) , \( a + 1\) , \( -128 a - 904\) , \( -1845 a - 13275\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-128a-904\right){x}-1845a-13275$
39.1-b1 39.1-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $16.36502275$ 3.589617723 \( -\frac{483530009234047}{3159} a + \frac{3963689866496444}{3159} \) \( \bigl[a + 1\) , \( -1\) , \( 1\) , \( 2084 a - 16953\) , \( -137012 a + 1123443\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-{x}^{2}+\left(2084a-16953\right){x}-137012a+1123443$
39.1-b2 39.1-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.045627844$ 3.589617723 \( \frac{7571581861819}{5036466357} a + \frac{65356091301080}{5036466357} \) \( \bigl[a + 1\) , \( -1\) , \( 1\) , \( 2489 a - 20278\) , \( -76128 a + 624323\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-{x}^{2}+\left(2489a-20278\right){x}-76128a+624323$
39.1-b3 39.1-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $8.182511377$ 3.589617723 \( \frac{129876906937691}{3326427} a + \frac{104431672740049}{369603} \) \( \bigl[a + 1\) , \( -1\) , \( 1\) , \( 2084 a - 16958\) , \( -136966 a + 1123037\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-{x}^{2}+\left(2084a-16958\right){x}-136966a+1123037$
39.1-b4 39.1-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $4.091255688$ 3.589617723 \( \frac{163710734479379606571667}{6940323} a + \frac{1178291993821242306674440}{6940323} \) \( \bigl[a + 1\) , \( -1\) , \( 1\) , \( 1679 a - 13718\) , \( -194800 a + 1596887\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}-{x}^{2}+\left(1679a-13718\right){x}-194800a+1596887$
39.1-c1 39.1-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $22.75821193$ 1.478304722 \( -\frac{5617}{39} a + \frac{45869}{39} \) \( \bigl[a\) , \( 0\) , \( a\) , \( 2 a + 44\) , \( 6 a + 109\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(2a+44\right){x}+6a+109$
39.1-c2 39.1-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $22.75821193$ 1.478304722 \( -\frac{2447848046349}{13} a + \frac{180593953971325}{117} \) \( \bigl[a\) , \( 0\) , \( a\) , \( 7 a - 6\) , \( 7 a + 54\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(7a-6\right){x}+7a+54$
39.1-c3 39.1-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $22.75821193$ 1.478304722 \( -\frac{17629353}{169} a + \frac{482928916}{507} \) \( \bigl[a\) , \( 0\) , \( a\) , \( 2 a + 39\) , \( 5 a + 85\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(2a+39\right){x}+5a+85$
39.1-c4 39.1-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.689552982$ 1.478304722 \( \frac{51999945252787}{85683} a + \frac{374264458305925}{85683} \) \( \bigl[a\) , \( 0\) , \( a\) , \( -3 a + 4\) , \( -41 a - 240\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-3a+4\right){x}-41a-240$
39.1-d1 39.1-d \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.716729918$ 3.342073611 \( -\frac{8290352125}{19773} a + \frac{67959714500}{19773} \) \( \bigl[a\) , \( a + 1\) , \( a\) , \( 277 a - 2079\) , \( 7107 a - 57625\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(277a-2079\right){x}+7107a-57625$
39.1-d2 39.1-d \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.716729918$ 3.342073611 \( \frac{162826068625}{130323843} a + \frac{1610509497875}{130323843} \) \( \bigl[a\) , \( a + 1\) , \( a\) , \( 302 a - 2284\) , \( 5863 a - 47428\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(302a-2284\right){x}+5863a-47428$
39.1-e1 39.1-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.421644004$ $36.41573265$ 4.046874215 \( -\frac{5617}{39} a + \frac{45869}{39} \) \( \bigl[1\) , \( 1\) , \( a\) , \( -31 a - 219\) , \( 4974 a + 35787\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}+{x}^{2}+\left(-31a-219\right){x}+4974a+35787$
39.1-e2 39.1-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $13.68657601$ $4.551966581$ 4.046874215 \( -\frac{2447848046349}{13} a + \frac{180593953971325}{117} \) \( \bigl[1\) , \( 1\) , \( a\) , \( -3501 a - 25194\) , \( -105197 a - 757158\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}+{x}^{2}+\left(-3501a-25194\right){x}-105197a-757158$
39.1-e3 39.1-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $6.843288008$ $18.20786632$ 4.046874215 \( -\frac{17629353}{169} a + \frac{482928916}{507} \) \( \bigl[1\) , \( 1\) , \( a\) , \( -1956 a - 14074\) , \( 128615 a + 925681\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}+{x}^{2}+\left(-1956a-14074\right){x}+128615a+925681$
39.1-e4 39.1-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.421644004$ $9.103933163$ 4.046874215 \( \frac{51999945252787}{85683} a + \frac{374264458305925}{85683} \) \( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( 1716 a - 13822\) , \( 198441 a - 1625786\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(1716a-13822\right){x}+198441a-1625786$
39.1-f1 39.1-f \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.417588570$ $22.68731870$ 3.133649804 \( -\frac{8290352125}{19773} a + \frac{67959714500}{19773} \) \( \bigl[1\) , \( -a\) , \( 0\) , \( a + 25\) , \( 6 a + 57\bigr] \) ${y}^2+{x}{y}={x}^{3}-a{x}^{2}+\left(a+25\right){x}+6a+57$
39.1-f2 39.1-f \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.708794285$ $11.34365935$ 3.133649804 \( \frac{162826068625}{130323843} a + \frac{1610509497875}{130323843} \) \( \bigl[1\) , \( -a\) , \( 0\) , \( -24 a - 155\) , \( 235 a + 1705\bigr] \) ${y}^2+{x}{y}={x}^{3}-a{x}^{2}+\left(-24a-155\right){x}+235a+1705$
39.1-g1 39.1-g \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.742570068$ $21.53318794$ 4.874773075 \( \frac{5042176}{117} a + \frac{36290560}{117} \) \( \bigl[0\) , \( -1\) , \( a + 1\) , \( 0\) , \( -21\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}-{x}^{2}-21$
39.1-h1 39.1-h \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.121760308$ 0.655795459 \( -\frac{483530009234047}{3159} a + \frac{3963689866496444}{3159} \) \( \bigl[a\) , \( a + 1\) , \( a + 1\) , \( -114 a - 833\) , \( -3297 a - 23745\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-114a-833\right){x}-3297a-23745$
39.1-h2 39.1-h \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.121760308$ 0.655795459 \( \frac{7571581861819}{5036466357} a + \frac{65356091301080}{5036466357} \) \( \bigl[a\) , \( a + 1\) , \( a + 1\) , \( -2059 a - 14833\) , \( -155406 a - 1118535\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-2059a-14833\right){x}-155406a-1118535$
39.1-h3 39.1-h \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.121760308$ 0.655795459 \( \frac{129876906937691}{3326427} a + \frac{104431672740049}{369603} \) \( \bigl[a\) , \( a + 1\) , \( a + 1\) , \( -2039 a - 14688\) , \( -158118 a - 1138054\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-2039a-14688\right){x}-158118a-1138054$
39.1-h4 39.1-h \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.280440077$ 0.655795459 \( \frac{163710734479379606571667}{6940323} a + \frac{1178291993821242306674440}{6940323} \) \( \bigl[a\) , \( a + 1\) , \( a + 1\) , \( -32819 a - 236223\) , \( -9268674 a - 66710389\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-32819a-236223\right){x}-9268674a-66710389$
39.2-a1 39.2-a \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $17.71929219$ 3.452975138 \( -\frac{5042176}{117} a + \frac{41332736}{117} \) \( \bigl[0\) , \( a - 1\) , \( a\) , \( 128 a - 1032\) , \( 1844 a - 15119\bigr] \) ${y}^2+a{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(128a-1032\right){x}+1844a-15119$
39.2-b1 39.2-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $4.091255688$ 3.589617723 \( -\frac{163710734479379606571667}{6940323} a + \frac{1342002728300621913246107}{6940323} \) \( \bigl[a\) , \( -a\) , \( 1\) , \( -1680 a - 12038\) , \( 194800 a + 1402087\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-1680a-12038\right){x}+194800a+1402087$
39.2-b2 39.2-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.045627844$ 3.589617723 \( -\frac{7571581861819}{5036466357} a + \frac{24309224387633}{1678822119} \) \( \bigl[a\) , \( -a\) , \( 1\) , \( -2490 a - 17788\) , \( 76128 a + 548195\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-2490a-17788\right){x}+76128a+548195$
39.2-b3 39.2-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $8.182511377$ 3.589617723 \( -\frac{129876906937691}{3326427} a + \frac{1069761961598132}{3326427} \) \( \bigl[a\) , \( -a\) , \( 1\) , \( -2085 a - 14873\) , \( 136966 a + 986071\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-2085a-14873\right){x}+136966a+986071$
39.2-b4 39.2-b \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $16.36502275$ 3.589617723 \( \frac{483530009234047}{3159} a + \frac{3480159857262397}{3159} \) \( \bigl[a\) , \( -a\) , \( 1\) , \( -2085 a - 14868\) , \( 137012 a + 986431\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-a{x}^{2}+\left(-2085a-14868\right){x}+137012a+986431$
39.2-c1 39.2-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.689552982$ 1.478304722 \( -\frac{51999945252787}{85683} a + \frac{426264403558712}{85683} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( a + 1\) , \( 40 a - 281\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(a+1\right){x}+40a-281$
39.2-c2 39.2-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $22.75821193$ 1.478304722 \( \frac{5617}{39} a + \frac{40252}{39} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -4 a + 46\) , \( -7 a + 115\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-4a+46\right){x}-7a+115$
39.2-c3 39.2-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $22.75821193$ 1.478304722 \( \frac{17629353}{169} a + \frac{430040857}{507} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -4 a + 41\) , \( -6 a + 90\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-4a+41\right){x}-6a+90$
39.2-c4 39.2-c \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $22.75821193$ 1.478304722 \( \frac{2447848046349}{13} a + \frac{158563321554184}{117} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -9 a + 1\) , \( -8 a + 61\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-9a+1\right){x}-8a+61$
39.2-d1 39.2-d \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.716729918$ 3.342073611 \( -\frac{162826068625}{130323843} a + \frac{591111855500}{43441281} \) \( \bigl[a + 1\) , \( a - 1\) , \( 1\) , \( -272 a - 1954\) , \( -7846 a - 56471\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-272a-1954\right){x}-7846a-56471$
39.2-d2 39.2-d \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.716729918$ 3.342073611 \( \frac{8290352125}{19773} a + \frac{59669362375}{19773} \) \( \bigl[a + 1\) , \( a - 1\) , \( 1\) , \( -247 a - 1774\) , \( -8910 a - 64129\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-247a-1774\right){x}-8910a-64129$
39.2-e1 39.2-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.421644004$ $9.103933163$ 4.046874215 \( -\frac{51999945252787}{85683} a + \frac{426264403558712}{85683} \) \( \bigl[a\) , \( a - 1\) , \( a + 1\) , \( -1688 a - 12164\) , \( -210577 a - 1515613\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-1688a-12164\right){x}-210577a-1515613$
39.2-e2 39.2-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.421644004$ $36.41573265$ 4.046874215 \( \frac{5617}{39} a + \frac{40252}{39} \) \( \bigl[1\) , \( 1\) , \( a + 1\) , \( 30 a - 250\) , \( -4975 a + 40761\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+{x}^{2}+\left(30a-250\right){x}-4975a+40761$
39.2-e3 39.2-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $6.843288008$ $18.20786632$ 4.046874215 \( \frac{17629353}{169} a + \frac{430040857}{507} \) \( \bigl[1\) , \( 1\) , \( a + 1\) , \( 1955 a - 16030\) , \( -128616 a + 1054296\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+{x}^{2}+\left(1955a-16030\right){x}-128616a+1054296$
39.2-e4 39.2-e \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $13.68657601$ $4.551966581$ 4.046874215 \( \frac{2447848046349}{13} a + \frac{158563321554184}{117} \) \( \bigl[1\) , \( 1\) , \( a + 1\) , \( 3500 a - 28695\) , \( 105196 a - 862355\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+{x}^{2}+\left(3500a-28695\right){x}+105196a-862355$
39.2-f1 39.2-f \(\Q(\sqrt{237}) \) \( 3 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.708794285$ $11.34365935$ 3.133649804 \( -\frac{162826068625}{130323843} a + \frac{591111855500}{43441281} \) \( \bigl[1\) , \( a - 1\) , \( 0\) , \( 24 a - 179\) , \( -235 a + 1940\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(24a-179\right){x}-235a+1940$
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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.