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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
1.1-a1 1.1-a 3.3.1425.1 \( 1 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.077910877$ $268.4797751$ 1.662353930 \( 155 a^{2} - 374 a - 625 \) \( \bigl[a^{2} - a - 4\) , \( -a^{2} + a + 4\) , \( a^{2} - a - 4\) , \( -2 a^{2} + a + 8\) , \( -a^{2} + 2 a + 7\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(-2a^{2}+a+8\right){x}-a^{2}+2a+7$
3.1-a1 3.1-a 3.3.1425.1 \( 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $109.8229330$ 2.909280566 \( \frac{14380364140544}{3} a^{2} - \frac{20183928528896}{3} a - \frac{106897171640320}{3} \) \( \bigl[0\) , \( -a^{2} + a + 4\) , \( a\) , \( -120 a^{2} + 373 a + 174\) , \( 2522 a^{2} - 7854 a - 3579\bigr] \) ${y}^2+a{y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(-120a^{2}+373a+174\right){x}+2522a^{2}-7854a-3579$
3.1-b1 3.1-b 3.3.1425.1 \( 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $20.36079716$ 2.157482773 \( \frac{784388}{81} a^{2} - \frac{882887}{81} a - \frac{6594601}{81} \) \( \bigl[a^{2} - 2 a - 4\) , \( a^{2} - 3 a - 6\) , \( 0\) , \( 4 a^{2} - 11 a - 6\) , \( 4 a^{2} - 13 a - 6\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){x}{y}={x}^{3}+\left(a^{2}-3a-6\right){x}^{2}+\left(4a^{2}-11a-6\right){x}+4a^{2}-13a-6$
3.1-b2 3.1-b 3.3.1425.1 \( 3 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $61.08239150$ 2.157482773 \( \frac{7034321}{531441} a^{2} - \frac{175125119}{531441} a + \frac{508034336}{531441} \) \( \bigl[a\) , \( 1\) , \( a^{2} - a - 5\) , \( -54 a^{2} + 75 a + 403\) , \( 287 a^{2} - 403 a - 2134\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+{x}^{2}+\left(-54a^{2}+75a+403\right){x}+287a^{2}-403a-2134$
3.2-a1 3.2-a 3.3.1425.1 \( 3 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.142091374$ $190.5666650$ 2.151931637 \( \frac{3328026115}{27} a^{2} - \frac{4710786470}{27} a - \frac{8274275080}{9} \) \( \bigl[a\) , \( -a^{2} + 2 a + 4\) , \( a + 1\) , \( 16 a^{2} - 53 a - 21\) , \( -83 a^{2} + 257 a + 118\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+2a+4\right){x}^{2}+\left(16a^{2}-53a-21\right){x}-83a^{2}+257a+118$
3.2-a2 3.2-a 3.3.1425.1 \( 3 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.710456870$ $38.11333300$ 2.151931637 \( -\frac{44927975}{3} a^{2} + \frac{139885825}{3} a + 21257925 \) \( \bigl[a + 1\) , \( -a^{2} + 3 a + 6\) , \( a^{2} - a - 4\) , \( 2 a + 11\) , \( 5 a + 7\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a^{2}+3a+6\right){x}^{2}+\left(2a+11\right){x}+5a+7$
3.2-b1 3.2-b 3.3.1425.1 \( 3 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.126668633$ $57.76798451$ 1.163054643 \( -\frac{106502}{9} a^{2} - \frac{2396909}{81} a - \frac{270406}{27} \) \( \bigl[a\) , \( 1\) , \( a\) , \( -2 a^{2} + 6 a + 3\) , \( 6 a^{2} - 19 a - 8\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+{x}^{2}+\left(-2a^{2}+6a+3\right){x}+6a^{2}-19a-8$
8.1-a1 8.1-a 3.3.1425.1 \( 2^{3} \) $0 \le r \le 1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $48.96703389$ 3.458250612 \( -\frac{25}{2} \) \( \bigl[a^{2} - 2 a - 5\) , \( a^{2} - 2 a - 6\) , \( a^{2} - 2 a - 5\) , \( 2 a - 7\) , \( -35 a^{2} + 110 a + 46\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(2a-7\right){x}-35a^{2}+110a+46$
8.1-a2 8.1-a 3.3.1425.1 \( 2^{3} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.813593847$ 3.458250612 \( -\frac{349938025}{8} \) \( \bigl[a^{2} - 2 a - 5\) , \( a^{2} - 2 a - 6\) , \( a^{2} - 2 a - 5\) , \( -420 a^{2} + 1307 a + 588\) , \( -11184 a^{2} + 34820 a + 15870\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(-420a^{2}+1307a+588\right){x}-11184a^{2}+34820a+15870$
8.1-a3 8.1-a 3.3.1425.1 \( 2^{3} \) $0 \le r \le 1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $244.8351694$ 3.458250612 \( -\frac{121945}{32} \) \( \bigl[a^{2} - 2 a - 5\) , \( 0\) , \( a^{2} - 2 a - 4\) , \( 2 a^{2} + 2 a - 32\) , \( -4 a^{2} + 2 a + 42\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-2a-4\right){y}={x}^{3}+\left(2a^{2}+2a-32\right){x}-4a^{2}+2a+42$
8.1-a4 8.1-a 3.3.1425.1 \( 2^{3} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $9.067969238$ 3.458250612 \( \frac{46969655}{32768} \) \( \bigl[a^{2} - 2 a - 5\) , \( 0\) , \( a^{2} - 2 a - 4\) , \( -18 a^{2} - 3 a + 233\) , \( 26 a^{2} - 4 a - 308\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-2a-4\right){y}={x}^{3}+\left(-18a^{2}-3a+233\right){x}+26a^{2}-4a-308$
9.1-a1 9.1-a 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $9.104735698$ 2.170713066 \( \frac{24015583}{19683} a^{2} + \frac{31099475}{19683} a - \frac{404319071}{19683} \) \( \bigl[a^{2} - 2 a - 4\) , \( -a\) , \( a^{2} - 2 a - 5\) , \( -4 a^{2} + 15 a + 3\) , \( -32 a^{2} + 97 a + 41\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}-a{x}^{2}+\left(-4a^{2}+15a+3\right){x}-32a^{2}+97a+41$
9.1-b1 9.1-b 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $75.57044505$ 2.001909994 \( -\frac{542}{9} a^{2} - \frac{1373}{9} a + 1280 \) \( \bigl[a^{2} - a - 4\) , \( a^{2} - 3 a - 6\) , \( a^{2} - 2 a - 5\) , \( 2 a^{2} - 5 a - 7\) , \( 2 a^{2} - 5 a - 7\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(a^{2}-3a-6\right){x}^{2}+\left(2a^{2}-5a-7\right){x}+2a^{2}-5a-7$
9.1-c1 9.1-c 3.3.1425.1 \( 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.173720602$ $68.97404900$ 1.904499510 \( \frac{20480}{243} \) \( \bigl[0\) , \( a^{2} - 2 a - 4\) , \( a^{2} - 2 a - 4\) , \( -a^{2} - 2 a + 20\) , \( -6 a^{2} - 8 a + 102\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){y}={x}^{3}+\left(a^{2}-2a-4\right){x}^{2}+\left(-a^{2}-2a+20\right){x}-6a^{2}-8a+102$
9.1-c2 9.1-c 3.3.1425.1 \( 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.868603010$ $13.79480980$ 1.904499510 \( -\frac{102400}{3} \) \( \bigl[0\) , \( -1\) , \( a^{2} - 2 a - 4\) , \( -28 a^{2} + 87 a + 40\) , \( -172 a^{2} + 536 a + 242\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){y}={x}^{3}-{x}^{2}+\left(-28a^{2}+87a+40\right){x}-172a^{2}+536a+242$
9.2-a1 9.2-a 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $19.11603439$ 1.012792243 \( -\frac{106502}{9} a^{2} - \frac{2396909}{81} a - \frac{270406}{27} \) \( \bigl[a^{2} - a - 4\) , \( a\) , \( a\) , \( 5 a^{2} - 4 a - 28\) , \( 3128 a^{2} - 4386 a - 23244\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+a{y}={x}^{3}+a{x}^{2}+\left(5a^{2}-4a-28\right){x}+3128a^{2}-4386a-23244$
9.2-b1 9.2-b 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $70.29840988$ 3.724500741 \( 155 a^{2} - 374 a - 625 \) \( \bigl[a^{2} - 2 a - 5\) , \( -a + 1\) , \( a^{2} - 2 a - 5\) , \( 10 a^{2} - 15 a - 69\) , \( 81 a^{2} - 115 a - 598\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(10a^{2}-15a-69\right){x}+81a^{2}-115a-598$
9.2-c1 9.2-c 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $16.83174693$ 1.783535475 \( -\frac{44927975}{3} a^{2} + \frac{139885825}{3} a + 21257925 \) \( \bigl[a^{2} - 2 a - 5\) , \( a^{2} - a - 6\) , \( 1\) , \( -264 a^{2} + 372 a + 1969\) , \( 6260 a^{2} - 8785 a - 46529\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(-264a^{2}+372a+1969\right){x}+6260a^{2}-8785a-46529$
9.2-c2 9.2-c 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $16.83174693$ 1.783535475 \( \frac{3328026115}{27} a^{2} - \frac{4710786470}{27} a - \frac{8274275080}{9} \) \( \bigl[a^{2} - a - 4\) , \( a\) , \( a + 1\) , \( 37 a^{2} - 64 a - 299\) , \( 292 a^{2} - 399 a - 2148\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a+1\right){y}={x}^{3}+a{x}^{2}+\left(37a^{2}-64a-299\right){x}+292a^{2}-399a-2148$
9.3-a1 9.3-a 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $45.93855201$ 2.433883943 \( 155 a^{2} - 374 a - 625 \) \( \bigl[a\) , \( -a^{2} + 3 a + 6\) , \( a\) , \( 4 a^{2} - 4 a - 24\) , \( 26 a^{2} - 34 a - 191\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(-a^{2}+3a+6\right){x}^{2}+\left(4a^{2}-4a-24\right){x}+26a^{2}-34a-191$
9.3-b1 9.3-b 3.3.1425.1 \( 3^{2} \) $1$ $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $0.113744175$ $148.8699425$ 2.691410898 \( 0 \) \( \bigl[0\) , \( -a^{2} + 2 a + 6\) , \( a^{2} - 2 a - 4\) , \( -a^{2} + a + 9\) , \( 4549316 a^{2} - 6385308 a - 33817577\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){y}={x}^{3}+\left(-a^{2}+2a+6\right){x}^{2}+\left(-a^{2}+a+9\right){x}+4549316a^{2}-6385308a-33817577$
9.3-b2 9.3-b 3.3.1425.1 \( 3^{2} \) $1$ $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $0.341232527$ $49.62331419$ 2.691410898 \( 0 \) \( \bigl[0\) , \( a^{2} - 2 a - 6\) , \( a^{2} - a - 4\) , \( -a^{2} + a + 9\) , \( -32 a^{2} + 44 a + 235\bigr] \) ${y}^2+\left(a^{2}-a-4\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(-a^{2}+a+9\right){x}-32a^{2}+44a+235$
9.3-c1 9.3-c 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $22.33223613$ 1.183190774 \( \frac{7034321}{531441} a^{2} - \frac{175125119}{531441} a + \frac{508034336}{531441} \) \( \bigl[a^{2} - 2 a - 5\) , \( a^{2} - 3 a - 4\) , \( a^{2} - a - 5\) , \( -3862 a^{2} + 5415 a + 28729\) , \( -184917 a^{2} + 259537 a + 1374614\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-3a-4\right){x}^{2}+\left(-3862a^{2}+5415a+28729\right){x}-184917a^{2}+259537a+1374614$
9.3-c2 9.3-c 3.3.1425.1 \( 3^{2} \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $200.9901252$ 1.183190774 \( \frac{784388}{81} a^{2} - \frac{882887}{81} a - \frac{6594601}{81} \) \( \bigl[a^{2} - a - 5\) , \( a^{2} - a - 4\) , \( 0\) , \( 30 a^{2} - 38 a - 213\) , \( -141 a^{2} + 202 a + 1057\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}={x}^{3}+\left(a^{2}-a-4\right){x}^{2}+\left(30a^{2}-38a-213\right){x}-141a^{2}+202a+1057$
9.3-d1 9.3-d 3.3.1425.1 \( 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $6.857196146$ 0.363303127 \( \frac{14380364140544}{3} a^{2} - \frac{20183928528896}{3} a - \frac{106897171640320}{3} \) \( \bigl[0\) , \( -a\) , \( a^{2} - 2 a - 5\) , \( -5 a^{2} - 15 a - 9\) , \( 40 a^{2} + 99 a + 26\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){y}={x}^{3}-a{x}^{2}+\left(-5a^{2}-15a-9\right){x}+40a^{2}+99a+26$
11.1-a1 11.1-a 3.3.1425.1 \( 11 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.497693048$ $52.78562543$ 4.175620920 \( -\frac{591109825}{14641} a^{2} + \frac{168169524}{1331} a + \frac{806004216}{14641} \) \( \bigl[a^{2} - 2 a - 5\) , \( a^{2} - a - 4\) , \( a\) , \( 140 a^{2} - 198 a - 1028\) , \( 2126 a^{2} - 2985 a - 15799\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-a-4\right){x}^{2}+\left(140a^{2}-198a-1028\right){x}+2126a^{2}-2985a-15799$
11.1-b1 11.1-b 3.3.1425.1 \( 11 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $38.55367602$ 3.063935482 \( -\frac{71901176}{1331} a^{2} + \frac{21181945}{121} a + \frac{106117741}{1331} \) \( \bigl[a^{2} - a - 5\) , \( a^{2} - 2 a - 6\) , \( a^{2} - 2 a - 5\) , \( -175 a^{2} + 246 a + 1302\) , \( -5301 a^{2} + 7441 a + 39404\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(-175a^{2}+246a+1302\right){x}-5301a^{2}+7441a+39404$
11.1-b2 11.1-b 3.3.1425.1 \( 11 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $115.6610280$ 3.063935482 \( \frac{57289}{11} a^{2} + 12766 a + \frac{43849}{11} \) \( \bigl[a^{2} - 2 a - 4\) , \( -a^{2} + 3 a + 6\) , \( a^{2} - a - 5\) , \( a^{2} - 8\) , \( 15 a^{2} - 21 a - 112\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(-a^{2}+3a+6\right){x}^{2}+\left(a^{2}-8\right){x}+15a^{2}-21a-112$
13.1-a1 13.1-a 3.3.1425.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $2.794653852$ $19.03173937$ 4.226883983 \( \frac{38809925}{13} a^{2} - \frac{54585550}{13} a - \frac{288215000}{13} \) \( \bigl[1\) , \( a^{2} - 2 a - 6\) , \( a\) , \( 22 a^{2} - 32 a - 162\) , \( 73 a^{2} - 103 a - 544\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(22a^{2}-32a-162\right){x}+73a^{2}-103a-544$
13.1-a2 13.1-a 3.3.1425.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.558930770$ $95.15869685$ 4.226883983 \( \frac{4918797644590}{371293} a^{2} - \frac{15315014588555}{371293} a - \frac{6981306875720}{371293} \) \( \bigl[1\) , \( 0\) , \( 0\) , \( -82334 a^{2} + 115562 a + 612034\) , \( 6163405 a^{2} - 8650805 a - 45815986\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(-82334a^{2}+115562a+612034\right){x}+6163405a^{2}-8650805a-45815986$
13.1-b1 13.1-b 3.3.1425.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.028458616$ $323.1768987$ 0.730916762 \( -\frac{23497}{13} a^{2} - \frac{67943}{13} a - \frac{12738}{13} \) \( \bigl[a^{2} - a - 5\) , \( a^{2} - 2 a - 4\) , \( 1\) , \( -a + 3\) , \( 0\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+{y}={x}^{3}+\left(a^{2}-2a-4\right){x}^{2}+\left(-a+3\right){x}$
15.1-a1 15.1-a 3.3.1425.1 \( 3 \cdot 5 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $59.11014797$ 3.131732144 \( \frac{385024}{15} a^{2} - \frac{544768}{15} a - \frac{569344}{3} \) \( \bigl[0\) , \( -1\) , \( a^{2} - 2 a - 4\) , \( a^{2} - 2 a - 5\) , \( a - 4\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){y}={x}^{3}-{x}^{2}+\left(a^{2}-2a-5\right){x}+a-4$
15.2-a1 15.2-a 3.3.1425.1 \( 3 \cdot 5 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.204576795$ $116.8370875$ 1.899550815 \( -\frac{8047692611944}{15} a^{2} + \frac{3765181743514}{5} a + \frac{19940978134969}{5} \) \( \bigl[a^{2} - a - 5\) , \( a^{2} - a - 6\) , \( a^{2} - a - 5\) , \( 1415 a^{2} - 1985 a - 10517\) , \( -53200 a^{2} + 74671 a + 395466\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(1415a^{2}-1985a-10517\right){x}-53200a^{2}+74671a+395466$
15.2-a2 15.2-a 3.3.1425.1 \( 3 \cdot 5 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.409153590$ $233.6741750$ 1.899550815 \( \frac{4319116}{15} a^{2} - \frac{6182804}{15} a - \frac{10545267}{5} \) \( \bigl[a^{2} - a - 5\) , \( a^{2} - a - 6\) , \( a^{2} - a - 5\) , \( 90 a^{2} - 125 a - 667\) , \( -842 a^{2} + 1183 a + 6261\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(90a^{2}-125a-667\right){x}-842a^{2}+1183a+6261$
15.2-b1 15.2-b 3.3.1425.1 \( 3 \cdot 5 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.906991072$ $24.70165572$ 1.780503778 \( \frac{281426225401277}{98415} a^{2} + \frac{26283320909279}{3645} a + \frac{26904815786374}{10935} \) \( \bigl[a^{2} - 2 a - 5\) , \( -a\) , \( a^{2} - a - 4\) , \( 9079 a^{2} - 13001 a - 68029\) , \( 886009 a^{2} - 1239508 a - 6577581\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}-a{x}^{2}+\left(9079a^{2}-13001a-68029\right){x}+886009a^{2}-1239508a-6577581$
15.2-b2 15.2-b 3.3.1425.1 \( 3 \cdot 5 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.813982145$ $49.40331145$ 1.780503778 \( \frac{4465456564105576}{1215} a^{2} - \frac{13903366882920959}{1215} a - \frac{2112787830911287}{405} \) \( \bigl[a^{2} - 2 a - 5\) , \( -a\) , \( a^{2} - a - 4\) , \( 534 a^{2} - 766 a - 3999\) , \( 16132 a^{2} - 22567 a - 119754\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}-a{x}^{2}+\left(534a^{2}-766a-3999\right){x}+16132a^{2}-22567a-119754$
15.2-c1 15.2-c 3.3.1425.1 \( 3 \cdot 5 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.129388465$ $351.8107162$ 0.904395636 \( \frac{389512}{15} a^{2} + \frac{472372}{15} a + \frac{42009}{5} \) \( \bigl[1\) , \( -a\) , \( a^{2} - 2 a - 5\) , \( -183 a^{2} + 570 a + 262\) , \( 2764 a^{2} - 8605 a - 3927\bigr] \) ${y}^2+{x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}-a{x}^{2}+\left(-183a^{2}+570a+262\right){x}+2764a^{2}-8605a-3927$
15.2-c2 15.2-c 3.3.1425.1 \( 3 \cdot 5 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.064694232$ $175.9053581$ 0.904395636 \( \frac{8462925074}{25} a^{2} - \frac{79053985648}{75} a - \frac{2401300911}{5} \) \( \bigl[1\) , \( -a\) , \( a^{2} - 2 a - 5\) , \( -2913 a^{2} + 9070 a + 4137\) , \( 185461 a^{2} - 577439 a - 263251\bigr] \) ${y}^2+{x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}-a{x}^{2}+\left(-2913a^{2}+9070a+4137\right){x}+185461a^{2}-577439a-263251$
17.1-a1 17.1-a 3.3.1425.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $43.82708487$ 2.902519601 \( -\frac{238533260515372309}{2015993900449} a^{2} + \frac{338955890703061771}{2015993900449} a + \frac{1768759962848715626}{2015993900449} \) \( \bigl[a^{2} - 2 a - 4\) , \( -a + 1\) , \( 1\) , \( 1390 a^{2} - 1955 a - 10319\) , \( -49800 a^{2} + 69894 a + 370205\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){x}{y}+{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(1390a^{2}-1955a-10319\right){x}-49800a^{2}+69894a+370205$
17.1-a2 17.1-a 3.3.1425.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $87.65416974$ 2.902519601 \( \frac{7755775528024}{1419857} a^{2} - \frac{24147602657377}{1419857} a - \frac{11009075233835}{1419857} \) \( \bigl[a^{2} - 2 a - 4\) , \( -a + 1\) , \( 1\) , \( 65 a^{2} - 95 a - 469\) , \( -1165 a^{2} + 1631 a + 8674\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){x}{y}+{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(65a^{2}-95a-469\right){x}-1165a^{2}+1631a+8674$
19.2-a1 19.2-a 3.3.1425.1 \( 19 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.449345427$ $20.85950334$ 1.489800475 \( -\frac{3974454988}{361} a^{2} + \frac{12374843136}{361} a + \frac{5641246179}{361} \) \( \bigl[a^{2} - a - 5\) , \( a - 1\) , \( a\) , \( 37 a^{2} - 48 a - 263\) , \( -346 a^{2} + 494 a + 2588\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+a{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(37a^{2}-48a-263\right){x}-346a^{2}+494a+2588$
23.1-a1 23.1-a 3.3.1425.1 \( 23 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.276249520$ $80.08672246$ 3.621881350 \( -\frac{2259279}{23} a^{2} + \frac{17685405}{23} a + \frac{47465244}{23} \) \( \bigl[a\) , \( a\) , \( a^{2} - a - 5\) , \( -a^{2} + 6 a - 1\) , \( 12 a^{2} - 34 a - 22\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+a{x}^{2}+\left(-a^{2}+6a-1\right){x}+12a^{2}-34a-22$
23.1-a2 23.1-a 3.3.1425.1 \( 23 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $4.552499040$ $20.02168061$ 3.621881350 \( -\frac{237972698674119}{529} a^{2} + \frac{334012621341096}{529} a + \frac{1768982415055911}{529} \) \( \bigl[a\) , \( a\) , \( a^{2} - a - 5\) , \( -41 a^{2} + 141 a + 19\) , \( 432 a^{2} - 1315 a - 712\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+a{x}^{2}+\left(-41a^{2}+141a+19\right){x}+432a^{2}-1315a-712$
24.1-a1 24.1-a 3.3.1425.1 \( 2^{3} \cdot 3 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.059565852$ $99.40686050$ 1.882294343 \( -\frac{275921}{648} a^{2} - \frac{219929}{1296} a + \frac{9295}{648} \) \( \bigl[a^{2} - a - 5\) , \( 1\) , \( a^{2} - a - 4\) , \( -a^{2} + a + 5\) , \( -a^{2} + a + 5\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+{x}^{2}+\left(-a^{2}+a+5\right){x}-a^{2}+a+5$
25.1-a1 25.1-a 3.3.1425.1 \( 5^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.197649637$ $120.0678055$ 1.885977113 \( 155 a^{2} - 374 a - 625 \) \( \bigl[a^{2} - 2 a - 4\) , \( a\) , \( a^{2} - 2 a - 4\) , \( a - 3\) , \( a^{2} + 3 a - 1\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){x}{y}+\left(a^{2}-2a-4\right){y}={x}^{3}+a{x}^{2}+\left(a-3\right){x}+a^{2}+3a-1$
27.1-a1 27.1-a 3.3.1425.1 \( 3^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $23.84680507$ 3.790303792 \( \frac{147564223}{27} a^{2} - \frac{209290999}{27} a - \frac{1101593750}{27} \) \( \bigl[a^{2} - 2 a - 5\) , \( a^{2} - a - 6\) , \( a\) , \( 25 a^{2} - 35 a - 184\) , \( 109 a^{2} - 150 a - 823\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(25a^{2}-35a-184\right){x}+109a^{2}-150a-823$
27.1-a2 27.1-a 3.3.1425.1 \( 3^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $7.948935025$ 3.790303792 \( -\frac{12515862845}{3} a^{2} + \frac{38968609946}{3} a + \frac{17765280589}{3} \) \( \bigl[a^{2} - 2 a - 4\) , \( a\) , \( 0\) , \( -24 a^{2} + 84 a + 39\) , \( -178 a^{2} + 604 a + 273\bigr] \) ${y}^2+\left(a^{2}-2a-4\right){x}{y}={x}^{3}+a{x}^{2}+\left(-24a^{2}+84a+39\right){x}-178a^{2}+604a+273$
27.1-b1 27.1-b 3.3.1425.1 \( 3^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.189788381$ $42.06139251$ 5.075245769 \( \frac{784388}{81} a^{2} - \frac{882887}{81} a - \frac{6594601}{81} \) \( \bigl[a^{2} - a - 4\) , \( a\) , \( a^{2} - 2 a - 4\) , \( 64 a^{2} - 84 a - 470\) , \( -450 a^{2} + 638 a + 3353\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-2a-4\right){y}={x}^{3}+a{x}^{2}+\left(64a^{2}-84a-470\right){x}-450a^{2}+638a+3353$
27.1-b2 27.1-b 3.3.1425.1 \( 3^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.063262793$ $42.06139251$ 5.075245769 \( \frac{7034321}{531441} a^{2} - \frac{175125119}{531441} a + \frac{508034336}{531441} \) \( \bigl[a + 1\) , \( -a^{2} + 2 a + 6\) , \( a^{2} - a - 4\) , \( -8446 a^{2} + 11854 a + 62786\) , \( -605315 a^{2} + 849606 a + 4499639\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a^{2}+2a+6\right){x}^{2}+\left(-8446a^{2}+11854a+62786\right){x}-605315a^{2}+849606a+4499639$
27.1-c1 27.1-c 3.3.1425.1 \( 3^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $26.51632159$ 1.404869037 \( -\frac{102400}{3} \) \( \bigl[0\) , \( a^{2} - 3 a - 4\) , \( a^{2} - 2 a - 5\) , \( a^{2} - 8 a - 6\) , \( -a^{2} - 5 a + 2\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(a^{2}-3a-4\right){x}^{2}+\left(a^{2}-8a-6\right){x}-a^{2}-5a+2$
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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.