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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
3.1-a1 3.1-a 3.3.1076.1 \( 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $181.1877931$ 1.380901840 \( -\frac{65536}{3} a^{2} + 16384 a + \frac{475136}{3} \) \( \bigl[0\) , \( a^{2} - a - 5\) , \( a + 1\) , \( 10 a^{2} - 10 a - 75\) , \( -46 a^{2} + 34 a + 329\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(a^{2}-a-5\right){x}^{2}+\left(10a^{2}-10a-75\right){x}-46a^{2}+34a+329$
3.1-a2 3.1-a 3.3.1076.1 \( 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $60.39593105$ 1.380901840 \( \frac{326942720}{27} a^{2} - \frac{253853696}{9} a - \frac{841793536}{27} \) \( \bigl[0\) , \( 1\) , \( a + 1\) , \( 1626159 a^{2} + 5118222 a + 3099975\) , \( 854364241 a^{2} + 2689051843 a + 1628689142\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+{x}^{2}+\left(1626159a^{2}+5118222a+3099975\right){x}+854364241a^{2}+2689051843a+1628689142$
3.1-a3 3.1-a 3.3.1076.1 \( 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $30.19796552$ 1.380901840 \( -\frac{66667103936}{729} a^{2} + \frac{18190790912}{243} a + \frac{488664059824}{729} \) \( \bigl[a\) , \( a^{2} - 5\) , \( 1\) , \( -2820457 a^{2} - 8877189 a - 5376677\) , \( 1886921447 a^{2} + 5938953609 a + 3597070571\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(-2820457a^{2}-8877189a-5376677\right){x}+1886921447a^{2}+5938953609a+3597070571$
3.1-a4 3.1-a 3.3.1076.1 \( 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $90.59389658$ 1.380901840 \( \frac{21347776}{9} a^{2} + \frac{22397120}{3} a + \frac{40712752}{9} \) \( \bigl[a\) , \( a + 1\) , \( a^{2} - 5\) , \( -2 a^{2} - 8 a - 7\) , \( -13 a^{2} - 44 a - 32\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-2a^{2}-8a-7\right){x}-13a^{2}-44a-32$
3.1-b1 3.1-b 3.3.1076.1 \( 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.595049933$ $91.10340574$ 1.239490354 \( \frac{326942720}{27} a^{2} - \frac{253853696}{9} a - \frac{841793536}{27} \) \( \bigl[0\) , \( -a - 1\) , \( a + 1\) , \( 103466 a^{2} + 325652 a + 197239\) , \( -13846105 a^{2} - 43579649 a - 26395066\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(103466a^{2}+325652a+197239\right){x}-13846105a^{2}-43579649a-26395066$
3.1-b2 3.1-b 3.3.1076.1 \( 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.198349977$ $273.3102172$ 1.239490354 \( -\frac{65536}{3} a^{2} + 16384 a + \frac{475136}{3} \) \( \bigl[0\) , \( a - 1\) , \( a + 1\) , \( 1\) , \( -a - 1\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(a-1\right){x}^{2}+{x}-a-1$
3.1-b3 3.1-b 3.3.1076.1 \( 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.099174988$ $273.3102172$ 1.239490354 \( \frac{21347776}{9} a^{2} + \frac{22397120}{3} a + \frac{40712752}{9} \) \( \bigl[a\) , \( -a - 1\) , \( a^{2} - 5\) , \( 346 a^{2} - 808 a - 895\) , \( 930 a^{2} - 2165 a - 2400\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(346a^{2}-808a-895\right){x}+930a^{2}-2165a-2400$
3.1-b4 3.1-b 3.3.1076.1 \( 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.297524966$ $91.10340574$ 1.239490354 \( -\frac{66667103936}{729} a^{2} + \frac{18190790912}{243} a + \frac{488664059824}{729} \) \( \bigl[a\) , \( a - 1\) , \( a^{2} - 5\) , \( -179471 a^{2} - 564779 a - 342053\) , \( -30671436 a^{2} - 96535792 a - 58469149\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-179471a^{2}-564779a-342053\right){x}-30671436a^{2}-96535792a-58469149$
9.2-a1 9.2-a 3.3.1076.1 \( 3^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $55.83346769$ 1.702113303 \( \frac{21347776}{9} a^{2} + \frac{22397120}{3} a + \frac{40712752}{9} \) \( \bigl[a^{2} - a - 4\) , \( a - 1\) , \( a + 1\) , \( a^{2} - 8 a - 7\) , \( -3 a^{2} - 11 a - 7\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(a^{2}-8a-7\right){x}-3a^{2}-11a-7$
9.2-a2 9.2-a 3.3.1076.1 \( 3^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $55.83346769$ 1.702113303 \( \frac{326942720}{27} a^{2} - \frac{253853696}{9} a - \frac{841793536}{27} \) \( \bigl[0\) , \( a^{2} - a - 6\) , \( a + 1\) , \( 2054 a^{2} + 6468 a + 3924\) , \( 38872 a^{2} + 122346 a + 74100\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(2054a^{2}+6468a+3924\right){x}+38872a^{2}+122346a+74100$
9.2-a3 9.2-a 3.3.1076.1 \( 3^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $55.83346769$ 1.702113303 \( -\frac{65536}{3} a^{2} + 16384 a + \frac{475136}{3} \) \( \bigl[0\) , \( -a^{2} + a + 6\) , \( 1\) , \( 4 a^{2} - 4 a - 30\) , \( 18 a^{2} - 15 a - 133\bigr] \) ${y}^2+{y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(4a^{2}-4a-30\right){x}+18a^{2}-15a-133$
9.2-a4 9.2-a 3.3.1076.1 \( 3^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $55.83346769$ 1.702113303 \( -\frac{66667103936}{729} a^{2} + \frac{18190790912}{243} a + \frac{488664059824}{729} \) \( \bigl[a\) , \( a^{2} - 2 a - 6\) , \( a + 1\) , \( -3564 a^{2} - 11220 a - 6792\) , \( 84965 a^{2} + 267417 a + 161965\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(-3564a^{2}-11220a-6792\right){x}+84965a^{2}+267417a+161965$
9.2-b1 9.2-b 3.3.1076.1 \( 3^{2} \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $147.8219580$ 0.500714658 \( \frac{21347776}{9} a^{2} + \frac{22397120}{3} a + \frac{40712752}{9} \) \( \bigl[a^{2} - a - 4\) , \( -a^{2} + a + 5\) , \( a + 1\) , \( 17341 a^{2} - 40389 a - 44671\) , \( 224494 a^{2} - 522820 a - 578373\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+a+5\right){x}^{2}+\left(17341a^{2}-40389a-44671\right){x}+224494a^{2}-522820a-578373$
9.2-b2 9.2-b 3.3.1076.1 \( 3^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $32.84932400$ 0.500714658 \( \frac{326942720}{27} a^{2} - \frac{253853696}{9} a - \frac{841793536}{27} \) \( \bigl[0\) , \( -a\) , \( a + 1\) , \( 130 a^{2} + 414 a + 252\) , \( -755 a^{2} - 2365 a - 1430\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(130a^{2}+414a+252\right){x}-755a^{2}-2365a-1430$
9.2-b3 9.2-b 3.3.1076.1 \( 3^{2} \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $295.6439160$ 0.500714658 \( -\frac{65536}{3} a^{2} + 16384 a + \frac{475136}{3} \) \( \bigl[0\) , \( a\) , \( 1\) , \( -16 a^{2} + 38 a + 42\) , \( 19 a^{2} - 44 a - 49\bigr] \) ${y}^2+{y}={x}^{3}+a{x}^{2}+\left(-16a^{2}+38a+42\right){x}+19a^{2}-44a-49$
9.2-b4 9.2-b 3.3.1076.1 \( 3^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $16.42466200$ 0.500714658 \( -\frac{66667103936}{729} a^{2} + \frac{18190790912}{243} a + \frac{488664059824}{729} \) \( \bigl[a\) , \( -a^{2} + a + 6\) , \( a^{2} - a - 5\) , \( -507 a^{2} - 63 a + 294\) , \( -7094 a^{2} + 8333 a + 11575\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-507a^{2}-63a+294\right){x}-7094a^{2}+8333a+11575$
12.1-a1 12.1-a 3.3.1076.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $36.56724591$ 1.672158249 \( \frac{1542078968626}{531441} a^{2} + \frac{1618614913934}{177147} a + \frac{2945882857744}{531441} \) \( \bigl[a^{2} - a - 4\) , \( a + 1\) , \( a^{2} - a - 4\) , \( -95368771 a^{2} - 300166551 a - 181803117\) , \( -1670786140936 a^{2} - 5258682814024 a - 3185048150802\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-95368771a^{2}-300166551a-181803117\right){x}-1670786140936a^{2}-5258682814024a-3185048150802$
12.1-a2 12.1-a 3.3.1076.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $36.56724591$ 1.672158249 \( \frac{37284740}{729} a^{2} - \frac{29399960}{243} a - \frac{97015312}{729} \) \( \bigl[a^{2} - a - 4\) , \( a + 1\) , \( a^{2} - a - 4\) , \( -5780566 a^{2} - 18193926 a - 11019592\) , \( -27764914119 a^{2} - 87388130133 a - 52928729899\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-5780566a^{2}-18193926a-11019592\right){x}-27764914119a^{2}-87388130133a-52928729899$
12.1-a3 12.1-a 3.3.1076.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $109.7017377$ 1.672158249 \( \frac{839532382}{81} a^{2} - \frac{655753486}{27} a - \frac{2124714188}{81} \) \( \bigl[a^{2} - a - 4\) , \( -a^{2} + a + 4\) , \( 0\) , \( -12 a - 28\) , \( 15 a^{2} - 2 a - 86\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(-12a-28\right){x}+15a^{2}-2a-86$
12.1-a4 12.1-a 3.3.1076.1 \( 2^{2} \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $109.7017377$ 1.672158249 \( \frac{12020}{9} a^{2} - \frac{7880}{3} a - \frac{29632}{9} \) \( \bigl[a^{2} - a - 4\) , \( -a^{2} + a + 4\) , \( 0\) , \( 3 a + 7\) , \( 0\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(3a+7\right){x}$
12.1-b1 12.1-b 3.3.1076.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.047495006$ $73.71272900$ 2.881695398 \( \frac{1542078968626}{531441} a^{2} + \frac{1618614913934}{177147} a + \frac{2945882857744}{531441} \) \( \bigl[a\) , \( a + 1\) , \( a\) , \( -20508 a^{2} - 64545 a - 39093\) , \( 5222729 a^{2} + 16438176 a + 9956178\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-20508a^{2}-64545a-39093\right){x}+5222729a^{2}+16438176a+9956178$
12.1-b2 12.1-b 3.3.1076.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.094990013$ $73.71272900$ 2.881695398 \( \frac{37284740}{729} a^{2} - \frac{29399960}{243} a - \frac{97015312}{729} \) \( \bigl[a\) , \( a + 1\) , \( a\) , \( -1243 a^{2} - 3910 a - 2368\) , \( 84772 a^{2} + 266815 a + 161603\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-1243a^{2}-3910a-2368\right){x}+84772a^{2}+266815a+161603$
12.1-b3 12.1-b 3.3.1076.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.284970040$ $221.1381870$ 2.881695398 \( \frac{12020}{9} a^{2} - \frac{7880}{3} a - \frac{29632}{9} \) \( \bigl[a\) , \( -a^{2} + 4\) , \( a^{2} - 4\) , \( -2 a^{2} + 3 a + 5\) , \( 2 a^{2} - 7 a - 8\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(-a^{2}+4\right){x}^{2}+\left(-2a^{2}+3a+5\right){x}+2a^{2}-7a-8$
12.1-b4 12.1-b 3.3.1076.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.142485020$ $221.1381870$ 2.881695398 \( \frac{839532382}{81} a^{2} - \frac{655753486}{27} a - \frac{2124714188}{81} \) \( \bigl[a\) , \( -a^{2} + 4\) , \( a^{2} - 4\) , \( -22 a^{2} + 58 a + 30\) , \( 152 a^{2} - 366 a - 364\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(-a^{2}+4\right){x}^{2}+\left(-22a^{2}+58a+30\right){x}+152a^{2}-366a-364$
13.2-a1 13.2-a 3.3.1076.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.200535939$ $203.7245153$ 3.736376485 \( -\frac{46707}{13} a^{2} + \frac{105451}{13} a + \frac{113155}{13} \) \( \bigl[1\) , \( a\) , \( a^{2} - 5\) , \( -17 a^{2} - 53 a - 30\) , \( 169 a^{2} + 529 a + 315\bigr] \) ${y}^2+{x}{y}+\left(a^{2}-5\right){y}={x}^{3}+a{x}^{2}+\left(-17a^{2}-53a-30\right){x}+169a^{2}+529a+315$
13.2-b1 13.2-b 3.3.1076.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.156593875$ $181.9881681$ 2.606351855 \( -\frac{46707}{13} a^{2} + \frac{105451}{13} a + \frac{113155}{13} \) \( \bigl[a^{2} - a - 5\) , \( a^{2} - 5\) , \( a\) , \( a^{2} - 2\) , \( a + 1\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(a^{2}-2\right){x}+a+1$
16.1-a1 16.1-a 3.3.1076.1 \( 2^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.199179924$ $212.8640489$ 3.877599946 \( -\frac{48625}{2} a^{2} - \frac{165053}{2} a - \frac{229111}{4} \) \( \bigl[a^{2} - a - 4\) , \( a + 1\) , \( a^{2} - 4\) , \( -14 a^{2} + 34 a + 34\) , \( 30 a^{2} - 70 a - 80\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-14a^{2}+34a+34\right){x}+30a^{2}-70a-80$
16.1-a2 16.1-a 3.3.1076.1 \( 2^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.398359848$ $106.4320244$ 3.877599946 \( \frac{28720234503}{2} a^{2} + 45227442168 a + \frac{54889547245}{2} \) \( \bigl[a^{2} - a - 4\) , \( a + 1\) , \( a^{2} - 4\) , \( -94 a^{2} + 214 a + 234\) , \( -1038 a^{2} + 2418 a + 2672\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-94a^{2}+214a+234\right){x}-1038a^{2}+2418a+2672$
16.1-b1 16.1-b 3.3.1076.1 \( 2^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $134.7080253$ 2.053323314 \( -290344321040 a^{2} + 237663682586 a + 2128213050144 \) \( \bigl[a\) , \( -a^{2} + a + 6\) , \( 0\) , \( 34 a^{2} - 81 a - 82\) , \( 617 a^{2} - 1438 a - 1587\bigr] \) ${y}^2+a{x}{y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(34a^{2}-81a-82\right){x}+617a^{2}-1438a-1587$
16.1-b2 16.1-b 3.3.1076.1 \( 2^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $269.4160506$ 2.053323314 \( 221092 a^{2} - 182432 a - 1615488 \) \( \bigl[a\) , \( -a^{2} + a + 6\) , \( 0\) , \( -26 a^{2} + 59 a + 73\) , \( 125 a^{2} - 292 a - 319\bigr] \) ${y}^2+a{x}{y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-26a^{2}+59a+73\right){x}+125a^{2}-292a-319$
16.1-c1 16.1-c 3.3.1076.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.173660677$ $48.08115601$ 3.054579990 \( \frac{247}{2} a^{2} + \frac{87}{2} a + \frac{695}{2} \) \( \bigl[a^{2} - a - 4\) , \( -a^{2} + 2 a + 6\) , \( a^{2} - a - 4\) , \( -11 a^{2} + 13 a + 83\) , \( 36 a^{2} - 25 a - 257\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a^{2}+2a+6\right){x}^{2}+\left(-11a^{2}+13a+83\right){x}+36a^{2}-25a-257$
16.1-d1 16.1-d 3.3.1076.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.115935683$ $63.33109964$ 2.686020138 \( \frac{247}{2} a^{2} + \frac{87}{2} a + \frac{695}{2} \) \( \bigl[a^{2} - a - 4\) , \( -a^{2} + a + 4\) , \( a\) , \( -2 a + 3\) , \( -a^{2} + a + 4\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+a{y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(-2a+3\right){x}-a^{2}+a+4$
16.1-e1 16.1-e 3.3.1076.1 \( 2^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $39.56335790$ 0.603055126 \( -290344321040 a^{2} + 237663682586 a + 2128213050144 \) \( \bigl[a\) , \( a^{2} - 2 a - 6\) , \( a^{2} - 4\) , \( 22 a^{2} - 25 a - 166\) , \( 75 a^{2} - 60 a - 541\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(22a^{2}-25a-166\right){x}+75a^{2}-60a-541$
16.1-e2 16.1-e 3.3.1076.1 \( 2^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $79.12671580$ 0.603055126 \( 221092 a^{2} - 182432 a - 1615488 \) \( \bigl[a\) , \( a^{2} - 2 a - 6\) , \( a^{2} - 4\) , \( 2 a^{2} - 5 a - 11\) , \( a^{2} - 3 a - 7\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(2a^{2}-5a-11\right){x}+a^{2}-3a-7$
16.1-f1 16.1-f 3.3.1076.1 \( 2^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.396871639$ $9.005618293$ 1.974119466 \( \frac{28720234503}{2} a^{2} + 45227442168 a + \frac{54889547245}{2} \) \( \bigl[a^{2} - a - 4\) , \( 0\) , \( a^{2} - a - 4\) , \( 85 a^{2} - 149 a - 811\) , \( 897 a^{2} - 1423 a - 8181\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(85a^{2}-149a-811\right){x}+897a^{2}-1423a-8181$
16.1-f2 16.1-f 3.3.1076.1 \( 2^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.198435819$ $18.01123658$ 1.974119466 \( -\frac{48625}{2} a^{2} - \frac{165053}{2} a - \frac{229111}{4} \) \( \bigl[a^{2} - a - 4\) , \( 0\) , \( a^{2} - a - 4\) , \( 5 a^{2} - 9 a - 51\) , \( 17 a^{2} - 27 a - 157\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(5a^{2}-9a-51\right){x}+17a^{2}-27a-157$
18.1-a1 18.1-a 3.3.1076.1 \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $30.12644114$ 1.836841535 \( \frac{3083297}{6} a^{2} - \frac{33126215}{72} a - \frac{92594189}{24} \) \( \bigl[a^{2} - 5\) , \( -a\) , \( 1\) , \( 5 a^{2} - 26 a - 86\) , \( 80 a^{2} + 5 a - 422\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+{y}={x}^{3}-a{x}^{2}+\left(5a^{2}-26a-86\right){x}+80a^{2}+5a-422$
18.1-b1 18.1-b 3.3.1076.1 \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.342178783$ $26.54373502$ 4.984039565 \( -\frac{2109094150402}{9} a^{2} - \frac{4425484394159}{6} a - \frac{893467139707}{2} \) \( \bigl[a^{2} - a - 5\) , \( -a^{2} + a + 6\) , \( a\) , \( -4 a^{2} - 33 a - 52\) , \( 90 a^{2} + 114 a - 224\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+a{y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-4a^{2}-33a-52\right){x}+90a^{2}+114a-224$
18.1-b2 18.1-b 3.3.1076.1 \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.114059594$ $79.63120507$ 4.984039565 \( -\frac{1087337}{1458} a^{2} - \frac{656297}{243} a - \frac{47005}{81} \) \( \bigl[1\) , \( a^{2} - a - 6\) , \( 0\) , \( -156 a^{2} + 127 a + 1146\) , \( -1106 a^{2} + 905 a + 8108\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(-156a^{2}+127a+1146\right){x}-1106a^{2}+905a+8108$
18.1-c1 18.1-c 3.3.1076.1 \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.533882727$ 2.441355328 \( \frac{204892840941285963152}{59049} a^{2} - \frac{111811123129094053451}{39366} a - \frac{12360962015353146785}{486} \) \( \bigl[a^{2} - 5\) , \( -a^{2} + a + 4\) , \( a^{2} - 4\) , \( -17393698 a^{2} + 40511986 a + 44798827\) , \( -312787646561 a^{2} + 728442674758 a + 805851106231\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(-17393698a^{2}+40511986a+44798827\right){x}-312787646561a^{2}+728442674758a+805851106231$
18.1-c2 18.1-c 3.3.1076.1 \( 2 \cdot 3^{2} \) 0 $\Z/5\Z$ $\mathrm{SU}(2)$ $1$ $66.73534090$ 2.441355328 \( -\frac{13847}{72} a^{2} - \frac{10199}{32} a - \frac{42359}{32} \) \( \bigl[1\) , \( a^{2} - 2 a - 5\) , \( a^{2} - a - 5\) , \( 2 a^{2} - 3 a - 11\) , \( 3 a^{2} - 3 a - 21\bigr] \) ${y}^2+{x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(2a^{2}-3a-11\right){x}+3a^{2}-3a-21$
18.1-d1 18.1-d 3.3.1076.1 \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.141029690$ $11.79346838$ 4.563399310 \( \frac{204892840941285963152}{59049} a^{2} - \frac{111811123129094053451}{39366} a - \frac{12360962015353146785}{486} \) \( \bigl[a^{2} - a - 5\) , \( 0\) , \( a^{2} - a - 4\) , \( -3571 a^{2} + 11234 a + 15\) , \( -1841163 a^{2} + 4170017 a + 5114305\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-3571a^{2}+11234a+15\right){x}-1841163a^{2}+4170017a+5114305$
18.1-d2 18.1-d 3.3.1076.1 \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.028205938$ $58.96734190$ 4.563399310 \( -\frac{13847}{72} a^{2} - \frac{10199}{32} a - \frac{42359}{32} \) \( \bigl[a + 1\) , \( -a\) , \( a\) , \( -38 a^{2} - 125 a - 84\) , \( -536 a^{2} - 1680 a - 1006\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}-a{x}^{2}+\left(-38a^{2}-125a-84\right){x}-536a^{2}-1680a-1006$
18.1-e1 18.1-e 3.3.1076.1 \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $7.217699630$ 1.320212739 \( -\frac{2109094150402}{9} a^{2} - \frac{4425484394159}{6} a - \frac{893467139707}{2} \) \( \bigl[a^{2} - a - 5\) , \( -a^{2} + 2 a + 4\) , \( a^{2} - a - 4\) , \( -65 a^{2} + 147 a + 167\) , \( -503 a^{2} + 1165 a + 1293\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a^{2}+2a+4\right){x}^{2}+\left(-65a^{2}+147a+167\right){x}-503a^{2}+1165a+1293$
18.1-e2 18.1-e 3.3.1076.1 \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $21.65309889$ 1.320212739 \( -\frac{1087337}{1458} a^{2} - \frac{656297}{243} a - \frac{47005}{81} \) \( \bigl[1\) , \( a + 1\) , \( a + 1\) , \( 3347 a^{2} - 7794 a - 8621\) , \( -42990 a^{2} + 100118 a + 110757\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(3347a^{2}-7794a-8621\right){x}-42990a^{2}+100118a+110757$
18.1-f1 18.1-f 3.3.1076.1 \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.216433896$ $36.68662952$ 1.452373134 \( \frac{3083297}{6} a^{2} - \frac{33126215}{72} a - \frac{92594189}{24} \) \( \bigl[a^{2} - 5\) , \( -a^{2} + a + 4\) , \( a + 1\) , \( -8 a + 11\) , \( -16 a^{2} + 29 a + 48\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+a+4\right){x}^{2}+\left(-8a+11\right){x}-16a^{2}+29a+48$
19.1-a1 19.1-a 3.3.1076.1 \( 19 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $11.63298028$ 0.354637662 \( \frac{2166027242859460}{130321} a^{2} + \frac{6817420001774845}{130321} a + \frac{4129135519267497}{130321} \) \( \bigl[a^{2} - a - 5\) , \( a - 1\) , \( a\) , \( -272 a^{2} - 870 a - 547\) , \( -8459 a^{2} - 26640 a - 16164\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+a{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-272a^{2}-870a-547\right){x}-8459a^{2}-26640a-16164$
19.1-a2 19.1-a 3.3.1076.1 \( 19 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $23.26596056$ 0.354637662 \( \frac{39824857}{361} a^{2} - \frac{147432598}{361} a - \frac{147111303}{361} \) \( \bigl[a^{2} - a - 5\) , \( a - 1\) , \( a\) , \( -17 a^{2} - 55 a - 32\) , \( -145 a^{2} - 456 a - 277\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+a{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-17a^{2}-55a-32\right){x}-145a^{2}-456a-277$
19.1-b1 19.1-b 3.3.1076.1 \( 19 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $62.76296393$ 1.913362724 \( \frac{2166027242859460}{130321} a^{2} + \frac{6817420001774845}{130321} a + \frac{4129135519267497}{130321} \) \( \bigl[a^{2} - 5\) , \( -1\) , \( 0\) , \( 2 a^{2} + 2 a - 19\) , \( -5 a^{2} + 11 a + 18\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}={x}^{3}-{x}^{2}+\left(2a^{2}+2a-19\right){x}-5a^{2}+11a+18$
19.1-b2 19.1-b 3.3.1076.1 \( 19 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $125.5259278$ 1.913362724 \( \frac{39824857}{361} a^{2} - \frac{147432598}{361} a - \frac{147111303}{361} \) \( \bigl[a^{2} - 5\) , \( -1\) , \( 0\) , \( -3 a^{2} + 7 a + 16\) , \( -4 a^{2} + 8 a + 19\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}={x}^{3}-{x}^{2}+\left(-3a^{2}+7a+16\right){x}-4a^{2}+8a+19$
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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.