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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
2.1-a1 2.1-a 3.3.756.1 \( 2 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $0.169476270$ $318.3906047$ 0.654164525 \( \frac{950820111}{2} a^{2} - 161579934 a - 2797544034 \) \( \bigl[a^{2} + a - 3\) , \( -a^{2} - a + 3\) , \( a^{2} - 4\) , \( -4\) , \( a^{2} - a - 4\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(-a^{2}-a+3\right){x}^{2}-4{x}+a^{2}-a-4$
2.1-a2 2.1-a 3.3.756.1 \( 2 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.056492090$ $106.1302015$ 0.654164525 \( \frac{243}{2} a^{2} - 810 a - \frac{2133}{2} \) \( \bigl[a + 1\) , \( 0\) , \( a + 1\) , \( 37 a^{2} - 14 a - 217\) , \( -365 a^{2} + 124 a + 2146\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(37a^{2}-14a-217\right){x}-365a^{2}+124a+2146$
6.1-a1 6.1-a 3.3.756.1 \( 2 \cdot 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $54.40253310$ 1.978600999 \( -\frac{159241}{486} a^{2} + \frac{66734}{243} a + \frac{421534}{243} \) \( \bigl[a^{2} - 3\) , \( -a^{2} - a + 4\) , \( 0\) , \( -4 a^{2} + 2 a + 23\) , \( -5 a^{2} + a + 31\bigr] \) ${y}^2+\left(a^{2}-3\right){x}{y}={x}^{3}+\left(-a^{2}-a+4\right){x}^{2}+\left(-4a^{2}+2a+23\right){x}-5a^{2}+a+31$
6.1-b1 6.1-b 3.3.756.1 \( 2 \cdot 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $4.081863800$ 1.039191658 \( \frac{3257021269}{1728} a^{2} - \frac{916834585}{1728} a - \frac{9829877647}{864} \) \( \bigl[1\) , \( -a^{2} + 4\) , \( a^{2} + a - 3\) , \( -7 a^{2} + 29 a - 29\) , \( -25 a^{2} + 117 a - 146\bigr] \) ${y}^2+{x}{y}+\left(a^{2}+a-3\right){y}={x}^{3}+\left(-a^{2}+4\right){x}^{2}+\left(-7a^{2}+29a-29\right){x}-25a^{2}+117a-146$
7.1-a1 7.1-a 3.3.756.1 \( 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $57.33171247$ 1.042567111 \( -\frac{757137492}{7} a^{2} - \frac{65339609}{7} a + \frac{5294855361}{7} \) \( \bigl[a^{2} + a - 3\) , \( a^{2} - a - 4\) , \( 1\) , \( -3 a^{2} + 21 a - 2\) , \( -32 a^{2} + 80 a + 49\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+{y}={x}^{3}+\left(a^{2}-a-4\right){x}^{2}+\left(-3a^{2}+21a-2\right){x}-32a^{2}+80a+49$
7.1-a2 7.1-a 3.3.756.1 \( 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $114.6634249$ 1.042567111 \( -\frac{34801}{7} a^{2} + \frac{63618}{7} a + \frac{222231}{7} \) \( \bigl[a^{2} + a - 3\) , \( a^{2} - a - 4\) , \( 1\) , \( 2 a^{2} + 6 a + 3\) , \( 2 a^{2} + 9 a + 3\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+{y}={x}^{3}+\left(a^{2}-a-4\right){x}^{2}+\left(2a^{2}+6a+3\right){x}+2a^{2}+9a+3$
8.1-a1 8.1-a 3.3.756.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.113861389$ $171.0519514$ 2.125029043 \( -8445 a^{2} - 5561 a - 898 \) \( \bigl[a\) , \( a + 1\) , \( a^{2} + a - 4\) , \( -19 a^{2} - 49 a - 15\) , \( 90 a^{2} + 232 a + 64\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-19a^{2}-49a-15\right){x}+90a^{2}+232a+64$
9.1-a1 9.1-a 3.3.756.1 \( 3^{2} \) $1$ $\Z/2\Z$ $-12$ $N(\mathrm{U}(1))$ $0.265572092$ $99.24662838$ 1.437899583 \( 54000 \) \( \bigl[a^{2} + a - 4\) , \( -a^{2} - a + 5\) , \( a + 1\) , \( 3719177 a^{2} - 1264064 a - 21885439\) , \( 6470244265 a^{2} - 2199086477 a - 38074046926\bigr] \) ${y}^2+\left(a^{2}+a-4\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}-a+5\right){x}^{2}+\left(3719177a^{2}-1264064a-21885439\right){x}+6470244265a^{2}-2199086477a-38074046926$
9.1-a2 9.1-a 3.3.756.1 \( 3^{2} \) $1$ $\Z/6\Z$ $-12$ $N(\mathrm{U}(1))$ $0.796716276$ $297.7398851$ 1.437899583 \( 54000 \) \( \bigl[a^{2} + a - 4\) , \( a^{2} - 5\) , \( 1\) , \( 14902 a^{2} - 5060 a - 87679\) , \( -1639857 a^{2} + 557355 a + 9649724\bigr] \) ${y}^2+\left(a^{2}+a-4\right){x}{y}+{y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(14902a^{2}-5060a-87679\right){x}-1639857a^{2}+557355a+9649724$
9.1-a3 9.1-a 3.3.756.1 \( 3^{2} \) $1$ $\Z/2\Z$ $-3$ $N(\mathrm{U}(1))$ $0.531144184$ $49.62331419$ 1.437899583 \( 0 \) \( \bigl[0\) , \( a^{2} - a - 5\) , \( a + 1\) , \( -a^{2} + 7\) , \( 452503 a^{2} - 153796 a - 2662748\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(a^{2}-a-5\right){x}^{2}+\left(-a^{2}+7\right){x}+452503a^{2}-153796a-2662748$
9.1-a4 9.1-a 3.3.756.1 \( 3^{2} \) $1$ $\Z/6\Z$ $-3$ $N(\mathrm{U}(1))$ $1.593432553$ $148.8699425$ 1.437899583 \( 0 \) \( \bigl[0\) , \( 0\) , \( a^{2} + a - 3\) , \( 0\) , \( -115 a^{2} + 37 a + 672\bigr] \) ${y}^2+\left(a^{2}+a-3\right){y}={x}^{3}-115a^{2}+37a+672$
11.1-a1 11.1-a 3.3.756.1 \( 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $369.9789875$ 3.364001420 \( \frac{56508493824}{11} a^{2} - \frac{127817367552}{11} a - \frac{49969778688}{11} \) \( \bigl[0\) , \( -a^{2} + 4\) , \( 1\) , \( 19 a^{2} - 8 a - 115\) , \( -35 a^{2} + 16 a + 215\bigr] \) ${y}^2+{y}={x}^{3}+\left(-a^{2}+4\right){x}^{2}+\left(19a^{2}-8a-115\right){x}-35a^{2}+16a+215$
11.1-a2 11.1-a 3.3.756.1 \( 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $184.9894937$ 3.364001420 \( \frac{24141029846688}{121} a^{2} + \frac{62807199775200}{121} a + \frac{18558033202224}{121} \) \( \bigl[a\) , \( -a^{2} - a + 5\) , \( a^{2} - 3\) , \( -3797 a^{2} + 1288 a + 22344\) , \( -266852 a^{2} + 90697 a + 1570287\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-3\right){y}={x}^{3}+\left(-a^{2}-a+5\right){x}^{2}+\left(-3797a^{2}+1288a+22344\right){x}-266852a^{2}+90697a+1570287$
11.1-b1 11.1-b 3.3.756.1 \( 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.557446061$ $111.1058379$ 1.689429587 \( \frac{75644928}{1331} a^{2} - \frac{175841280}{1331} a - \frac{52862976}{1331} \) \( \bigl[0\) , \( a^{2} - a - 5\) , \( 1\) , \( 709 a^{2} - 239 a - 4177\) , \( -17110 a^{2} + 5820 a + 100671\bigr] \) ${y}^2+{y}={x}^{3}+\left(a^{2}-a-5\right){x}^{2}+\left(709a^{2}-239a-4177\right){x}-17110a^{2}+5820a+100671$
11.1-b2 11.1-b 3.3.756.1 \( 11 \) $1$ $\Z/6\Z$ $\mathrm{SU}(2)$ $1.672338183$ $333.3175138$ 1.689429587 \( -\frac{2581414060032}{11} a^{2} + \frac{877362831360}{11} a + \frac{15190288736256}{11} \) \( \bigl[0\) , \( a + 1\) , \( a^{2} - 3\) , \( 25 a^{2} - 7 a - 147\) , \( -109 a^{2} + 36 a + 642\bigr] \) ${y}^2+\left(a^{2}-3\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(25a^{2}-7a-147\right){x}-109a^{2}+36a+642$
11.1-b3 11.1-b 3.3.756.1 \( 11 \) $1$ $\Z/6\Z$ $\mathrm{SU}(2)$ $0.836169091$ $333.3175138$ 1.689429587 \( \frac{26541559008}{121} a^{2} + \frac{65152755072}{121} a + \frac{18938651184}{121} \) \( \bigl[a\) , \( a^{2} - a - 3\) , \( 1\) , \( 1881 a^{2} - 641 a - 11063\) , \( -76250 a^{2} + 25915 a + 448694\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}+\left(a^{2}-a-3\right){x}^{2}+\left(1881a^{2}-641a-11063\right){x}-76250a^{2}+25915a+448694$
11.1-b4 11.1-b 3.3.756.1 \( 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.278723030$ $111.1058379$ 1.689429587 \( \frac{594571104}{1771561} a^{2} - \frac{2711232}{1771561} a + \frac{126904752}{1771561} \) \( \bigl[a\) , \( -a + 1\) , \( a + 1\) , \( -57303 a^{2} + 19474 a + 337199\) , \( -47957957 a^{2} + 16299800 a + 282207816\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-57303a^{2}+19474a+337199\right){x}-47957957a^{2}+16299800a+282207816$
12.1-a1 12.1-a 3.3.756.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $297.0980244$ 1.350668835 \( -52192 a^{2} + \frac{51296}{3} a + \frac{932096}{3} \) \( \bigl[a^{2} - 4\) , \( a^{2} - 5\) , \( 0\) , \( -7 a^{2} - 18 a - 5\) , \( 0\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(-7a^{2}-18a-5\right){x}$
12.1-a2 12.1-a 3.3.756.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $148.5490122$ 1.350668835 \( \frac{26432}{3} a^{2} + \frac{47488}{3} a + \frac{12800}{3} \) \( \bigl[a^{2} - 4\) , \( a^{2} - a - 3\) , \( a\) , \( 59 a^{2} - 22 a - 343\) , \( -1747 a^{2} + 593 a + 10281\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-a-3\right){x}^{2}+\left(59a^{2}-22a-343\right){x}-1747a^{2}+593a+10281$
12.1-a3 12.1-a 3.3.756.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $74.27450611$ 1.350668835 \( 34314114514876 a^{2} - \frac{232835224044038}{3} a - \frac{91026828654464}{3} \) \( \bigl[a^{2} + a - 4\) , \( -a^{2} + a + 3\) , \( a^{2} + a - 4\) , \( 19 a^{2} - 12 a - 121\) , \( 144 a^{2} - 39 a - 825\bigr] \) ${y}^2+\left(a^{2}+a-4\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+a+3\right){x}^{2}+\left(19a^{2}-12a-121\right){x}+144a^{2}-39a-825$
12.1-a4 12.1-a 3.3.756.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $297.0980244$ 1.350668835 \( \frac{17784004}{9} a^{2} - \frac{37592800}{9} a - \frac{14815712}{9} \) \( \bigl[a^{2} + a - 4\) , \( -a^{2} + a + 3\) , \( a^{2} + a - 4\) , \( -a^{2} - 7 a - 6\) , \( 3 a^{2} - 18\bigr] \) ${y}^2+\left(a^{2}+a-4\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+a+3\right){x}^{2}+\left(-a^{2}-7a-6\right){x}+3a^{2}-18$
12.1-a5 12.1-a 3.3.756.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $74.27450611$ 1.350668835 \( \frac{1398867890476}{27} a^{2} + \frac{3639405472822}{27} a + \frac{358452602576}{9} \) \( \bigl[a^{2} + a - 4\) , \( -a^{2} + a + 3\) , \( a^{2} + a - 4\) , \( -41 a^{2} - 82 a + 29\) , \( 180 a^{2} + 529 a + 273\bigr] \) ${y}^2+\left(a^{2}+a-4\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+a+3\right){x}^{2}+\left(-41a^{2}-82a+29\right){x}+180a^{2}+529a+273$
12.1-a6 12.1-a 3.3.756.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $148.5490122$ 1.350668835 \( -\frac{47159697452}{3} a^{2} + \frac{16028491808}{3} a + \frac{277510474000}{3} \) \( \bigl[a^{2} + a - 4\) , \( -a^{2} + a + 3\) , \( 0\) , \( 21 a^{2} - 4 a - 111\) , \( -43 a^{2} + 21 a + 265\bigr] \) ${y}^2+\left(a^{2}+a-4\right){x}{y}={x}^{3}+\left(-a^{2}+a+3\right){x}^{2}+\left(21a^{2}-4a-111\right){x}-43a^{2}+21a+265$
12.1-b1 12.1-b 3.3.756.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.154549830$ $98.50820151$ 2.491681562 \( -576 a^{2} + \frac{896}{3} a + \frac{10496}{3} \) \( \bigl[a^{2} - 4\) , \( a^{2} + a - 5\) , \( a^{2} + a - 4\) , \( 14287 a^{2} - 4855 a - 84068\) , \( 1076968 a^{2} - 366036 a - 6337400\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(a^{2}+a-5\right){x}^{2}+\left(14287a^{2}-4855a-84068\right){x}+1076968a^{2}-366036a-6337400$
12.1-b2 12.1-b 3.3.756.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.309099660$ $98.50820151$ 2.491681562 \( \frac{113696}{3} a^{2} - \frac{251936}{3} a - \frac{96256}{3} \) \( \bigl[a^{2} - 4\) , \( -a^{2} - a + 4\) , \( a^{2} - 4\) , \( -4 a^{2} - 2 a + 16\) , \( -a^{2} + 8 a + 23\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(-a^{2}-a+4\right){x}^{2}+\left(-4a^{2}-2a+16\right){x}-a^{2}+8a+23$
13.1-a1 13.1-a 3.3.756.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.070708284$ $251.6374387$ 1.941359271 \( -\frac{25206}{13} a^{2} - \frac{73469}{13} a - \frac{22785}{13} \) \( \bigl[a^{2} + a - 3\) , \( -a^{2} + a + 4\) , \( a^{2} + a - 4\) , \( a + 6\) , \( 3 a + 5\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(a+6\right){x}+3a+5$
14.1-a1 14.1-a 3.3.756.1 \( 2 \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.725046078$ $22.02258670$ 2.072523149 \( \frac{426197161}{175616} a^{2} + \frac{1321023327}{175616} a + \frac{48451365}{10976} \) \( \bigl[a^{2} + a - 3\) , \( -a^{2} + 3\) , \( a^{2} + a - 4\) , \( 5598742 a^{2} - 1902884 a - 32945707\) , \( 5319497132 a^{2} - 1807974123 a - 31302494175\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+3\right){x}^{2}+\left(5598742a^{2}-1902884a-32945707\right){x}+5319497132a^{2}-1807974123a-31302494175$
14.1-a2 14.1-a 3.3.756.1 \( 2 \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.450092156$ $11.01129335$ 2.072523149 \( \frac{59025432903567}{537824} a^{2} + \frac{38462279603579}{134456} a + \frac{1652453166465}{19208} \) \( \bigl[1\) , \( -a\) , \( a^{2} + a - 3\) , \( -250 a^{2} + 583 a + 166\) , \( -5116 a^{2} + 11643 a + 4342\bigr] \) ${y}^2+{x}{y}+\left(a^{2}+a-3\right){y}={x}^{3}-a{x}^{2}+\left(-250a^{2}+583a+166\right){x}-5116a^{2}+11643a+4342$
14.1-b1 14.1-b 3.3.756.1 \( 2 \cdot 7 \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $52.33430598$ 0.951690153 \( \frac{432748702683}{33614} a^{2} + \frac{1125908180091}{33614} a + \frac{166374042318}{16807} \) \( \bigl[a^{2} - 3\) , \( a^{2} + a - 4\) , \( a^{2} - 3\) , \( -a^{2} - 5 a - 8\) , \( 2 a + 2\bigr] \) ${y}^2+\left(a^{2}-3\right){x}{y}+\left(a^{2}-3\right){y}={x}^{3}+\left(a^{2}+a-4\right){x}^{2}+\left(-a^{2}-5a-8\right){x}+2a+2$
14.1-b2 14.1-b 3.3.756.1 \( 2 \cdot 7 \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $13.08357649$ 0.951690153 \( \frac{285231962511}{80707214} a^{2} - \frac{146329580889}{40353607} a - \frac{6358370292}{40353607} \) \( \bigl[a^{2} - 3\) , \( a^{2} + a - 4\) , \( a^{2} - 3\) , \( -6 a^{2} + 12\) , \( -2 a^{2} + 6 a - 2\bigr] \) ${y}^2+\left(a^{2}-3\right){x}{y}+\left(a^{2}-3\right){y}={x}^{3}+\left(a^{2}+a-4\right){x}^{2}+\left(-6a^{2}+12\right){x}-2a^{2}+6a-2$
14.1-b3 14.1-b 3.3.756.1 \( 2 \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $17.44476866$ 0.951690153 \( -\frac{232863336}{49} a^{2} + \frac{119872791}{49} a + \frac{5057617185}{196} \) \( \bigl[1\) , \( a^{2} - a - 3\) , \( a^{2} + a - 4\) , \( 811 a^{2} - 275 a - 4776\) , \( 20565 a^{2} - 6984 a - 121036\bigr] \) ${y}^2+{x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(a^{2}-a-3\right){x}^{2}+\left(811a^{2}-275a-4776\right){x}+20565a^{2}-6984a-121036$
14.1-b4 14.1-b 3.3.756.1 \( 2 \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4.361192165$ 0.951690153 \( \frac{85622377457727}{49} a^{2} - \frac{1355626168815087}{343} a - \frac{1059962927321079}{686} \) \( \bigl[1\) , \( a^{2} - a - 3\) , \( a^{2} + a - 4\) , \( 751 a^{2} - 215 a - 4526\) , \( 22591 a^{2} - 7382 a - 133714\bigr] \) ${y}^2+{x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(a^{2}-a-3\right){x}^{2}+\left(751a^{2}-215a-4526\right){x}+22591a^{2}-7382a-133714$
14.1-c1 14.1-c 3.3.756.1 \( 2 \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.070523660$ $99.84367027$ 1.536546601 \( -\frac{287013}{14} a^{2} + \frac{2368271}{49} a + \frac{629136}{49} \) \( \bigl[a^{2} - 3\) , \( a^{2} + a - 5\) , \( a^{2} + a - 4\) , \( 13 a^{2} - 2 a - 72\) , \( 32 a^{2} - 9 a - 182\bigr] \) ${y}^2+\left(a^{2}-3\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(a^{2}+a-5\right){x}^{2}+\left(13a^{2}-2a-72\right){x}+32a^{2}-9a-182$
14.2-a1 14.2-a 3.3.756.1 \( 2 \cdot 7 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $61.91245147$ 2.251734090 \( -\frac{159986040807231}{322828856} a^{2} - \frac{210952612789731}{161414428} a - \frac{33820719875685}{80707214} \) \( \bigl[a^{2} + a - 3\) , \( a^{2} - 4\) , \( 1\) , \( 36 a^{2} - 70 a - 26\) , \( 63 a^{2} - 131 a - 52\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+{y}={x}^{3}+\left(a^{2}-4\right){x}^{2}+\left(36a^{2}-70a-26\right){x}+63a^{2}-131a-52$
14.2-a2 14.2-a 3.3.756.1 \( 2 \cdot 7 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $20.63748382$ 2.251734090 \( -\frac{5464341}{5488} a^{2} + \frac{9560025}{5488} a + \frac{96965559}{43904} \) \( \bigl[a + 1\) , \( 0\) , \( a^{2} + a - 3\) , \( -70 a^{2} + 146 a + 86\) , \( -694 a^{2} + 1560 a + 630\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-3\right){y}={x}^{3}+\left(-70a^{2}+146a+86\right){x}-694a^{2}+1560a+630$
14.2-b1 14.2-b 3.3.756.1 \( 2 \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $49.14299502$ 0.893656724 \( -\frac{126008104190785}{98} a^{2} + \frac{21413621072019}{49} a + \frac{370746317902690}{49} \) \( \bigl[a^{2} + a - 3\) , \( -a^{2} + a + 3\) , \( a^{2} + a - 4\) , \( -12 a^{2} - 4 a + 2\) , \( 22 a^{2} - 47 a - 18\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+a+3\right){x}^{2}+\left(-12a^{2}-4a+2\right){x}+22a^{2}-47a-18$
14.2-b2 14.2-b 3.3.756.1 \( 2 \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $49.14299502$ 0.893656724 \( \frac{6676487}{14} a^{2} - \frac{2269261}{14} a - \frac{19639054}{7} \) \( \bigl[a^{2} + a - 3\) , \( -a^{2} + a + 3\) , \( a^{2} + a - 4\) , \( 3 a^{2} + a + 2\) , \( 6 a^{2} + 18 a + 6\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+a+3\right){x}^{2}+\left(3a^{2}+a+2\right){x}+6a^{2}+18a+6$
14.2-c1 14.2-c 3.3.756.1 \( 2 \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.233209744$ $36.39376971$ 1.852098533 \( -\frac{15701355727}{23059204} a^{2} - \frac{25459219073}{23059204} a + \frac{1949533557}{11529602} \) \( \bigl[a^{2} + a - 3\) , \( -a^{2} - a + 4\) , \( a^{2} + a - 3\) , \( -4 a^{2} + 11\) , \( -5 a^{2} + 5 a + 12\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}+a-3\right){y}={x}^{3}+\left(-a^{2}-a+4\right){x}^{2}+\left(-4a^{2}+11\right){x}-5a^{2}+5a+12$
16.1-a1 16.1-a 3.3.756.1 \( 2^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $14.51683547$ 2.111888806 \( -8445 a^{2} - 5561 a - 898 \) \( \bigl[a^{2} + a - 4\) , \( a + 1\) , \( a^{2} + a - 4\) , \( -5 a^{2} - 10 a - 3\) , \( -42 a^{2} - 107 a - 31\bigr] \) ${y}^2+\left(a^{2}+a-4\right){x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-5a^{2}-10a-3\right){x}-42a^{2}-107a-31$
16.1-b1 16.1-b 3.3.756.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.035827204$ $153.1146159$ 1.197071042 \( \frac{243}{2} a^{2} - 810 a - \frac{2133}{2} \) \( \bigl[a\) , \( -a + 1\) , \( a\) , \( 12 a^{2} - 6 a - 69\) , \( -60 a^{2} + 19 a + 355\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(12a^{2}-6a-69\right){x}-60a^{2}+19a+355$
16.1-b2 16.1-b 3.3.756.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.107481613$ $51.03820532$ 1.197071042 \( \frac{950820111}{2} a^{2} - 161579934 a - 2797544034 \) \( \bigl[a\) , \( -a^{2} + a + 4\) , \( a^{2} + a - 4\) , \( a + 1\) , \( -2 a - 5\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}+a-4\right){y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(a+1\right){x}-2a-5$
18.1-a1 18.1-a 3.3.756.1 \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $9.849498594$ 2.149336803 \( -\frac{132651}{2} \) \( \bigl[a^{2} - 3\) , \( a^{2} - 5\) , \( 1\) , \( 140 a^{2} - 45 a - 823\) , \( 1416 a^{2} - 479 a - 8333\bigr] \) ${y}^2+\left(a^{2}-3\right){x}{y}+{y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(140a^{2}-45a-823\right){x}+1416a^{2}-479a-8333$
18.1-a2 18.1-a 3.3.756.1 \( 2 \cdot 3^{2} \) 0 $\Z/9\Z$ $\mathrm{SU}(2)$ $1$ $88.64548734$ 2.149336803 \( -\frac{1167051}{512} \) \( \bigl[a^{2} + a - 3\) , \( a + 1\) , \( a^{2} - 3\) , \( 16 a^{2} + 6 a - 73\) , \( -34 a^{2} + 29 a + 247\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}-3\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(16a^{2}+6a-73\right){x}-34a^{2}+29a+247$
18.1-a3 18.1-a 3.3.756.1 \( 2 \cdot 3^{2} \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $29.54849578$ 2.149336803 \( \frac{9261}{8} \) \( \bigl[1\) , \( -1\) , \( 1\) , \( 1\) , \( -1\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}-{x}^{2}+{x}-1$
18.1-b1 18.1-b 3.3.756.1 \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.011801086$ $38.46514991$ 3.367896125 \( \frac{3257021269}{1728} a^{2} - \frac{916834585}{1728} a - \frac{9829877647}{864} \) \( \bigl[a^{2} - 3\) , \( a^{2} + a - 4\) , \( a\) , \( 22 a^{2} + 105 a + 34\) , \( -258 a^{2} - 852 a - 260\bigr] \) ${y}^2+\left(a^{2}-3\right){x}{y}+a{y}={x}^{3}+\left(a^{2}+a-4\right){x}^{2}+\left(22a^{2}+105a+34\right){x}-258a^{2}-852a-260$
18.1-c1 18.1-c 3.3.756.1 \( 2 \cdot 3^{2} \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $0.276051149$ $251.7384296$ 1.684949629 \( -\frac{132651}{2} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( -3\) , \( 3\bigr] \) ${y}^2+{x}{y}={x}^{3}-{x}^{2}-3{x}+3$
18.1-c2 18.1-c 3.3.756.1 \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $2.484460348$ $3.107881847$ 1.684949629 \( -\frac{1167051}{512} \) \( \bigl[a + 1\) , \( 0\) , \( a^{2} + a - 3\) , \( -19 a^{2} - 47 a - 13\) , \( -166 a^{2} - 431 a - 130\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-3\right){y}={x}^{3}+\left(-19a^{2}-47a-13\right){x}-166a^{2}-431a-130$
18.1-c3 18.1-c 3.3.756.1 \( 2 \cdot 3^{2} \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $0.828153449$ $83.91280988$ 1.684949629 \( \frac{9261}{8} \) \( \bigl[a + 1\) , \( 0\) , \( a^{2} + a - 3\) , \( a^{2} + 3 a + 2\) , \( 4 a^{2} + 9 a\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-3\right){y}={x}^{3}+\left(a^{2}+3a+2\right){x}+4a^{2}+9a$
18.1-d1 18.1-d 3.3.756.1 \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $18.43156569$ 1.340699126 \( -\frac{159241}{486} a^{2} + \frac{66734}{243} a + \frac{421534}{243} \) \( \bigl[1\) , \( a^{2} + a - 4\) , \( 1\) , \( 5 a^{2} + 17 a + 10\) , \( 58 a^{2} + 151 a + 42\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}+\left(a^{2}+a-4\right){x}^{2}+\left(5a^{2}+17a+10\right){x}+58a^{2}+151a+42$
18.1-e1 18.1-e 3.3.756.1 \( 2 \cdot 3^{2} \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1.204228157$ $76.74643457$ 3.361290812 \( \frac{243}{2} a^{2} - 810 a - \frac{2133}{2} \) \( \bigl[a^{2} + a - 3\) , \( -a^{2} + a + 5\) , \( a^{2} + a - 3\) , \( 3 a + 12\) , \( a^{2} + 8 a + 11\bigr] \) ${y}^2+\left(a^{2}+a-3\right){x}{y}+\left(a^{2}+a-3\right){y}={x}^{3}+\left(-a^{2}+a+5\right){x}^{2}+\left(3a+12\right){x}+a^{2}+8a+11$
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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.