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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 3.3.1901.1 \( 2 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.289236295$ $212.5029006$ 2.114549490 \( \frac{316143}{64} a^{2} + \frac{935109}{64} a + \frac{622997}{64} \) \( \bigl[a^{2} - 2 a - 5\) , \( -a^{2} + a + 6\) , \( a^{2} - a - 5\) , \( -19426056 a^{2} - 52714237 a - 20924294\) , \( 163538366356 a^{2} + 443775202583 a + 176151488410\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-19426056a^{2}-52714237a-20924294\right){x}+163538366356a^{2}+443775202583a+176151488410$
2.1-a2 2.1-a 3.3.1901.1 \( 2 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.867708887$ $70.83430023$ 2.114549490 \( -\frac{15011063205}{4} a^{2} + \frac{22259319021}{4} a + \frac{124351464917}{4} \) \( \bigl[a^{2} - 2 a - 5\) , \( -a^{2} + a + 6\) , \( a^{2} - a - 5\) , \( -6 a^{2} + 16 a + 24\) , \( 4 a^{2} - 17 a\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-6a^{2}+16a+24\right){x}+4a^{2}-17a$
2.1-a3 2.1-a 3.3.1901.1 \( 2 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.578472591$ $212.5029006$ 2.114549490 \( \frac{567}{8} a^{2} - \frac{3195}{8} a + \frac{3925}{8} \) \( \bigl[a + 1\) , \( -a^{2} + 2 a + 5\) , \( a\) , \( -457389078 a^{2} - 1241163986 a - 492665836\) , \( 202232100651116 a^{2} + 548773926464843 a + 217829530294564\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a^{2}+2a+5\right){x}^{2}+\left(-457389078a^{2}-1241163986a-492665836\right){x}+202232100651116a^{2}+548773926464843a+217829530294564$
2.1-a4 2.1-a 3.3.1901.1 \( 2 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.735417774$ $70.83430023$ 2.114549490 \( \frac{39949635}{2} a^{2} - \frac{128987577}{2} a - \frac{71927555}{2} \) \( \bigl[a + 1\) , \( -a^{2} + 2 a + 5\) , \( a\) , \( 4\) , \( -3 a^{2} - 6 a - 2\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a^{2}+2a+5\right){x}^{2}+4{x}-3a^{2}-6a-2$
2.1-b1 2.1-b 3.3.1901.1 \( 2 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.679014128$ $48.56620712$ 1.134522725 \( \frac{154496816367}{1024} a^{2} + \frac{636480072837}{1024} a + \frac{640246034069}{1024} \) \( \bigl[a^{2} - 2 a - 5\) , \( -a^{2} + a + 5\) , \( a\) , \( 142 a^{2} + 219 a - 2767\) , \( -12012 a^{2} + 26570 a + 66977\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+a{y}={x}^{3}+\left(-a^{2}+a+5\right){x}^{2}+\left(142a^{2}+219a-2767\right){x}-12012a^{2}+26570a+66977$
2.1-b2 2.1-b 3.3.1901.1 \( 2 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.358028257$ $48.56620712$ 1.134522725 \( \frac{340690345844271}{32} a^{2} - \frac{1100676962253915}{32} a - \frac{610905031498475}{32} \) \( \bigl[a + 1\) , \( a^{2} - 2 a - 5\) , \( a\) , \( 127 a^{2} - 187 a - 1050\) , \( -1729 a^{2} + 2568 a + 14316\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(127a^{2}-187a-1050\right){x}-1729a^{2}+2568a+14316$
2.1-c1 2.1-c 3.3.1901.1 \( 2 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $0.641364075$ $95.27858406$ 0.934367249 \( -\frac{122119}{64} a^{2} + \frac{244019}{64} a + \frac{256163}{64} \) \( \bigl[1\) , \( a^{2} - 2 a - 6\) , \( a^{2} - a - 5\) , \( -708 a^{2} - 1918 a - 752\) , \( -39928 a^{2} - 108353 a - 43018\bigr] \) ${y}^2+{x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-2a-6\right){x}^{2}+\left(-708a^{2}-1918a-752\right){x}-39928a^{2}-108353a-43018$
2.1-c2 2.1-c 3.3.1901.1 \( 2 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.924092227$ $3.528836446$ 0.934367249 \( -\frac{7345147908288439}{262144} a^{2} - \frac{19931682374081821}{262144} a - \frac{7911655846417069}{262144} \) \( \bigl[a + 1\) , \( a - 1\) , \( a^{2} - a - 6\) , \( 40 a^{2} - 103 a - 156\) , \( 38 a^{2} - 30 a - 396\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(40a^{2}-103a-156\right){x}+38a^{2}-30a-396$
4.2-a1 4.2-a 3.3.1901.1 \( 2^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $70.33474489$ 1.613165250 \( -255106 a^{2} - 693629 a - 278548 \) \( \bigl[a^{2} - 2 a - 6\) , \( 0\) , \( a^{2} - a - 6\) , \( -2\) , \( -a - 1\bigr] \) ${y}^2+\left(a^{2}-2a-6\right){x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}-2{x}-a-1$
6.1-a1 6.1-a 3.3.1901.1 \( 2 \cdot 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $146.0563268$ 3.349880508 \( -\frac{923495599}{486} a^{2} - \frac{2507656645}{486} a - \frac{998636501}{486} \) \( \bigl[a^{2} - a - 5\) , \( -a^{2} + a + 7\) , \( a^{2} - 2 a - 5\) , \( -53569598 a^{2} - 145365619 a - 57701186\) , \( 753685819695 a^{2} + 2045190280222 a + 811814877939\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(-a^{2}+a+7\right){x}^{2}+\left(-53569598a^{2}-145365619a-57701186\right){x}+753685819695a^{2}+2045190280222a+811814877939$
6.1-a2 6.1-a 3.3.1901.1 \( 2 \cdot 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $48.68544226$ 3.349880508 \( -\frac{22119979375}{114791256} a^{2} + \frac{26235622907}{114791256} a + \frac{205906981867}{114791256} \) \( \bigl[a^{2} - a - 5\) , \( -a^{2} + a + 7\) , \( a^{2} - 2 a - 5\) , \( -485 a^{2} + 720 a + 4015\) , \( 818 a^{2} - 1212 a - 6779\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(-a^{2}+a+7\right){x}^{2}+\left(-485a^{2}+720a+4015\right){x}+818a^{2}-1212a-6779$
6.1-b1 6.1-b 3.3.1901.1 \( 2 \cdot 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $34.13039191$ 2.348396754 \( -\frac{22965079}{221184} a^{2} + \frac{74185475}{221184} a + \frac{41131891}{221184} \) \( \bigl[a^{2} - a - 5\) , \( -a^{2} + 3 a + 5\) , \( a\) , \( -a^{2} + 2 a + 21\) , \( 14 a + 25\bigr] \) ${y}^2+\left(a^{2}-a-5\right){x}{y}+a{y}={x}^{3}+\left(-a^{2}+3a+5\right){x}^{2}+\left(-a^{2}+2a+21\right){x}+14a+25$
6.1-c1 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $48.13330978$ 1.655945070 \( -\frac{153535495015}{1728} a^{2} + \frac{227671626131}{1728} a + \frac{1271889103939}{1728} \) \( \bigl[a^{2} - 2 a - 5\) , \( a^{2} - 3 a - 6\) , \( 0\) , \( 50 a^{2} - 137 a - 178\) , \( 240 a^{2} - 689 a - 752\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}={x}^{3}+\left(a^{2}-3a-6\right){x}^{2}+\left(50a^{2}-137a-178\right){x}+240a^{2}-689a-752$
6.1-c2 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $144.3999293$ 1.655945070 \( -\frac{1437277971683}{768} a^{2} + \frac{2131280078335}{768} a + \frac{11906396437295}{768} \) \( \bigl[a^{2} - 2 a - 5\) , \( a - 1\) , \( a + 1\) , \( -23388482 a^{2} + 75561763 a + 41938793\) , \( -121307480775 a^{2} + 391911162199 a + 217521133703\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-23388482a^{2}+75561763a+41938793\right){x}-121307480775a^{2}+391911162199a+217521133703$
6.1-c3 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $48.13330978$ 1.655945070 \( \frac{95820036767}{2985984} a^{2} + \frac{301685160725}{2985984} a + \frac{201803536933}{2985984} \) \( \bigl[1\) , \( a^{2} - a - 7\) , \( a + 1\) , \( -48408 a^{2} + 156395 a + 86796\) , \( 3849633 a^{2} - 12437108 a - 6902927\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-48408a^{2}+156395a+86796\right){x}+3849633a^{2}-12437108a-6902927$
6.1-c4 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.016663722$ 1.655945070 \( \frac{1066906435920701525}{34012224} a^{2} + \frac{2895138778208608295}{34012224} a + \frac{1149192022492749463}{34012224} \) \( \bigl[1\) , \( a^{2} - a - 7\) , \( a + 1\) , \( -445553 a^{2} + 1439455 a + 798956\) , \( -366163530 a^{2} + 1182973857 a + 656581861\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-445553a^{2}+1439455a+798956\right){x}-366163530a^{2}+1182973857a+656581861$
6.1-c5 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $144.3999293$ 1.655945070 \( \frac{15657989}{12} a^{2} + \frac{42538787}{12} a + \frac{16911955}{12} \) \( \bigl[1\) , \( a - 1\) , \( a^{2} - a - 5\) , \( -11 a^{2} + 35 a + 22\) , \( -40 a^{2} + 129 a + 67\bigr] \) ${y}^2+{x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-11a^{2}+35a+22\right){x}-40a^{2}+129a+67$
6.1-c6 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $144.3999293$ 1.655945070 \( \frac{505898783}{144} a^{2} - \frac{1638243451}{144} a - \frac{892014203}{144} \) \( \bigl[a + 1\) , \( a^{2} - a - 6\) , \( 0\) , \( -63750 a^{2} + 205964 a + 114324\) , \( -20003049 a^{2} + 64624368 a + 35868240\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(-63750a^{2}+205964a+114324\right){x}-20003049a^{2}+64624368a+35868240$
6.1-c7 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $18.04999116$ 1.655945070 \( \frac{41921863046677025}{324} a^{2} - \frac{135438028744447585}{324} a - \frac{75171713389575617}{324} \) \( \bigl[a + 1\) , \( a^{2} - a - 6\) , \( 0\) , \( -1019995 a^{2} + 3295329 a + 1829004\) , \( -1278595581 a^{2} + 4130791259 a + 2292699168\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(-1019995a^{2}+3295329a+1829004\right){x}-1278595581a^{2}+4130791259a+2292699168$
6.1-c8 6.1-c 3.3.1901.1 \( 2 \cdot 3 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $48.13330978$ 1.655945070 \( \frac{34962015775141}{452984832} a^{2} - \frac{113342027752745}{452984832} a - \frac{61419140115577}{452984832} \) \( \bigl[a + 1\) , \( a\) , \( a\) , \( -215267539 a^{2} + 695470318 a + 386004541\) , \( 3914441617751 a^{2} - 12646486053255 a - 7019136602855\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+a{x}^{2}+\left(-215267539a^{2}+695470318a+386004541\right){x}+3914441617751a^{2}-12646486053255a-7019136602855$
8.1-a1 8.1-a 3.3.1901.1 \( 2^{3} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.731133283$ $17.36219643$ 2.068070635 \( \frac{2584300106223}{1048576} a^{2} + \frac{7031178368901}{1048576} a + \frac{2811525673365}{1048576} \) \( \bigl[a^{2} - 2 a - 5\) , \( -1\) , \( 0\) , \( -3320 a^{2} + 10725 a + 5955\) , \( -257368 a^{2} + 831485 a + 461497\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}={x}^{3}-{x}^{2}+\left(-3320a^{2}+10725a+5955\right){x}-257368a^{2}+831485a+461497$
8.1-a2 8.1-a 3.3.1901.1 \( 2^{3} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $6.924533132$ $8.681098219$ 2.068070635 \( \frac{98964267797053521}{32} a^{2} - \frac{319726376070414093}{32} a - \frac{177456654390894453}{32} \) \( \bigl[1\) , \( -1\) , \( a\) , \( -661953807 a^{2} - 1796267698 a - 713007907\) , \( 28686114293093 a^{2} + 77842199754419 a + 30898570416477\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-661953807a^{2}-1796267698a-713007907\right){x}+28686114293093a^{2}+77842199754419a+30898570416477$
8.1-a3 8.1-a 3.3.1901.1 \( 2^{3} \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $3.462266566$ $34.72439287$ 2.068070635 \( \frac{17666719407}{1024} a^{2} - \frac{57075208443}{1024} a - \frac{31674180843}{1024} \) \( \bigl[1\) , \( -1\) , \( a\) , \( -170786187 a^{2} - 463442778 a - 183958307\) , \( -3836261696323 a^{2} - 10410020898065 a - 4132138669907\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-170786187a^{2}-463442778a-183958307\right){x}-3836261696323a^{2}-10410020898065a-4132138669907$
8.1-a4 8.1-a 3.3.1901.1 \( 2^{3} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.731133283$ $34.72439287$ 2.068070635 \( \frac{164025}{128} a^{2} - \frac{1086939}{256} a - \frac{108837}{64} \) \( \bigl[a + 1\) , \( -a^{2} + a + 5\) , \( a^{2} - 2 a - 6\) , \( 479847859799751118 a^{2} + 1302107792384275804 a + 516856787703317587\) , \( -1745931982825887435914314225 a^{2} - 4737734249266514616445813101 a - 1880589394664504575036379429\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-2a-6\right){y}={x}^{3}+\left(-a^{2}+a+5\right){x}^{2}+\left(479847859799751118a^{2}+1302107792384275804a+516856787703317587\right){x}-1745931982825887435914314225a^{2}-4737734249266514616445813101a-1880589394664504575036379429$
8.1-b1 8.1-b 3.3.1901.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.014744635$ $44.54792304$ 3.615611005 \( \frac{98837}{1024} a^{2} - \frac{134541}{1024} a - \frac{808605}{1024} \) \( \bigl[1\) , \( a + 1\) , \( a + 1\) , \( 5 a^{2} + 13 a + 5\) , \( 116 a^{2} + 315 a + 125\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(5a^{2}+13a+5\right){x}+116a^{2}+315a+125$
8.1-c1 8.1-c 3.3.1901.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.016777694$ $378.8407191$ 1.749359754 \( \frac{477495}{4} a^{2} - \frac{353565}{2} a - \frac{3959577}{4} \) \( \bigl[1\) , \( -1\) , \( a\) , \( -a - 1\) , \( a + 1\bigr] \) ${y}^2+{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-a-1\right){x}+a+1$
8.2-a1 8.2-a 3.3.1901.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.556947730$ $43.65479198$ 3.345850667 \( -37161 a^{2} + 120317 a + 66352 \) \( \bigl[a^{2} - a - 6\) , \( a - 1\) , \( a^{2} - 2 a - 6\) , \( -1472 a^{2} + 4760 a + 2639\) , \( -68891 a^{2} + 222571 a + 123533\bigr] \) ${y}^2+\left(a^{2}-a-6\right){x}{y}+\left(a^{2}-2a-6\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-1472a^{2}+4760a+2639\right){x}-68891a^{2}+222571a+123533$
9.1-a1 9.1-a 3.3.1901.1 \( 3^{2} \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1.691481895$ $226.7404974$ 3.298653193 \( \frac{36545}{9} a^{2} - \frac{73250}{9} a - \frac{27247}{9} \) \( \bigl[a^{2} - 2 a - 5\) , \( a\) , \( 1\) , \( -40 a^{2} + 130 a + 74\) , \( -341 a^{2} + 1103 a + 609\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+{y}={x}^{3}+a{x}^{2}+\left(-40a^{2}+130a+74\right){x}-341a^{2}+1103a+609$
9.1-a2 9.1-a 3.3.1901.1 \( 3^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $3.382963790$ $56.68512436$ 3.298653193 \( \frac{403243006}{3} a^{2} - 319160319 a - \frac{554235631}{3} \) \( \bigl[a^{2} - 2 a - 5\) , \( a\) , \( 1\) , \( -630 a^{2} + 2045 a + 1099\) , \( -20405 a^{2} + 65957 a + 36465\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){x}{y}+{y}={x}^{3}+a{x}^{2}+\left(-630a^{2}+2045a+1099\right){x}-20405a^{2}+65957a+36465$
9.1-a3 9.1-a 3.3.1901.1 \( 3^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.845740947$ $113.3702487$ 3.298653193 \( -\frac{1368562}{81} a^{2} + \frac{2077175}{81} a + \frac{3814639}{27} \) \( \bigl[1\) , \( -a + 1\) , \( 0\) , \( 3210 a^{2} - 10369 a - 5760\) , \( -6675210 a^{2} + 21565770 a + 11969579\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(3210a^{2}-10369a-5760\right){x}-6675210a^{2}+21565770a+11969579$
9.1-a4 9.1-a 3.3.1901.1 \( 3^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.845740947$ $226.7404974$ 3.298653193 \( \frac{140}{3} a^{2} - 531 a + \frac{4039}{3} \) \( \bigl[a + 1\) , \( -a^{2} + 3 a + 7\) , \( a^{2} - 2 a - 6\) , \( 4 a + 17\) , \( 7 a + 10\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-2a-6\right){y}={x}^{3}+\left(-a^{2}+3a+7\right){x}^{2}+\left(4a+17\right){x}+7a+10$
12.2-a1 12.2-a 3.3.1901.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.216379105$ $54.06511975$ 3.622223139 \( \frac{6539046566}{729} a^{2} + \frac{17673041849}{729} a + \frac{7009010596}{729} \) \( \bigl[a^{2} - 2 a - 6\) , \( a^{2} - a - 7\) , \( a\) , \( -15 a^{2} - 45 a - 19\) , \( -138 a^{2} - 374 a - 148\bigr] \) ${y}^2+\left(a^{2}-2a-6\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-15a^{2}-45a-19\right){x}-138a^{2}-374a-148$
12.2-a2 12.2-a 3.3.1901.1 \( 2^{2} \cdot 3 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.108189552$ $216.2604790$ 3.622223139 \( -\frac{59929}{27} a^{2} + \frac{160328}{27} a + \frac{655024}{27} \) \( \bigl[a^{2} - 2 a - 6\) , \( a^{2} - a - 7\) , \( a\) , \( -5 a - 4\) , \( -3 a^{2} - 8 a - 3\bigr] \) ${y}^2+\left(a^{2}-2a-6\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-5a-4\right){x}-3a^{2}-8a-3$
13.1-a1 13.1-a 3.3.1901.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.146550917$ $150.1354177$ 1.513916403 \( \frac{16384}{13} a^{2} - \frac{12288}{13} a - \frac{110592}{13} \) \( \bigl[0\) , \( a^{2} - a - 7\) , \( a^{2} - 2 a - 5\) , \( -75 a^{2} - 196 a - 64\) , \( 920 a^{2} + 2492 a + 976\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-75a^{2}-196a-64\right){x}+920a^{2}+2492a+976$
13.1-b1 13.1-b 3.3.1901.1 \( 13 \) $2$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.024407633$ $248.9489915$ 1.254259785 \( \frac{547053568}{13} a^{2} - \frac{526610432}{13} a - \frac{5588054016}{13} \) \( \bigl[0\) , \( a^{2} - a - 5\) , \( a^{2} - 2 a - 5\) , \( -5 a^{2} - 28 a - 36\) , \( -77 a^{2} - 150 a + 44\bigr] \) ${y}^2+\left(a^{2}-2a-5\right){y}={x}^{3}+\left(a^{2}-a-5\right){x}^{2}+\left(-5a^{2}-28a-36\right){x}-77a^{2}-150a+44$
13.2-a1 13.2-a 3.3.1901.1 \( 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $4.828935985$ 0.996788225 \( \frac{1558738593036451}{10604499373} a^{2} - \frac{3005067430377152}{10604499373} a - \frac{10336991206926512}{10604499373} \) \( \bigl[a\) , \( -a^{2} + a + 5\) , \( a + 1\) , \( 1312 a^{2} - 1947 a - 10873\) , \( 51570 a^{2} - 76473 a - 427210\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+a+5\right){x}^{2}+\left(1312a^{2}-1947a-10873\right){x}+51570a^{2}-76473a-427210$
13.2-a2 13.2-a 3.3.1901.1 \( 13 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $130.3812715$ 0.996788225 \( \frac{2212918}{2197} a^{2} - \frac{7218173}{2197} a - \frac{3620804}{2197} \) \( \bigl[a\) , \( -a^{2} + a + 5\) , \( a + 1\) , \( -23 a^{2} + 33 a + 187\) , \( 284 a^{2} - 422 a - 2355\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+a+5\right){x}^{2}+\left(-23a^{2}+33a+187\right){x}+284a^{2}-422a-2355$
13.2-b1 13.2-b 3.3.1901.1 \( 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $2.729455746$ $46.10212234$ 8.658191206 \( \frac{33341400251}{13} a^{2} - \frac{49440507617}{13} a - \frac{276200106724}{13} \) \( \bigl[a^{2} - a - 6\) , \( -a^{2} + 2 a + 5\) , \( 1\) , \( -6 a^{2} + 7 a + 46\) , \( -3 a^{2} + 14 a + 53\bigr] \) ${y}^2+\left(a^{2}-a-6\right){x}{y}+{y}={x}^{3}+\left(-a^{2}+2a+5\right){x}^{2}+\left(-6a^{2}+7a+46\right){x}-3a^{2}+14a+53$
13.3-a1 13.3-a 3.3.1901.1 \( 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $101.5710337$ 2.329586356 \( -\frac{7601}{13} a^{2} + 873 a + \frac{62676}{13} \) \( \bigl[a\) , \( -a^{2} + 2 a + 6\) , \( a + 1\) , \( -a - 2\) , \( -a - 3\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+2a+6\right){x}^{2}+\left(-a-2\right){x}-a-3$
16.1-a1 16.1-a 3.3.1901.1 \( 2^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $173.3722545$ 3.976386020 \( \frac{1297}{8} a^{2} - 731 a + 530 \) \( \bigl[a\) , \( a^{2} - 2 a - 7\) , \( a^{2} - a - 6\) , \( -a^{2} + 10\) , \( 2 a^{2} - 3 a - 16\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+\left(a^{2}-2a-7\right){x}^{2}+\left(-a^{2}+10\right){x}+2a^{2}-3a-16$
16.1-b1 16.1-b 3.3.1901.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.131607088$ $34.68296751$ 5.653250516 \( -\frac{72853}{64} a^{2} + \frac{22257}{64} a + \frac{15921}{16} \) \( \bigl[a^{2} - 2 a - 6\) , \( a\) , \( a^{2} - a - 6\) , \( -491 a^{2} + 1588 a + 878\) , \( 15394 a^{2} - 49734 a - 27605\bigr] \) ${y}^2+\left(a^{2}-2a-6\right){x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+a{x}^{2}+\left(-491a^{2}+1588a+878\right){x}+15394a^{2}-49734a-27605$
16.1-b2 16.1-b 3.3.1901.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.394821264$ $104.0489025$ 5.653250516 \( \frac{1287}{4} a^{2} - 454 a - 1028 \) \( \bigl[a\) , \( a^{2} - 2 a - 5\) , \( a\) , \( 96 a^{2} - 311 a - 168\) , \( -166 a^{2} + 537 a + 296\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(96a^{2}-311a-168\right){x}-166a^{2}+537a+296$
16.1-c1 16.1-c 3.3.1901.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.034679774$ $220.3817895$ 4.732871117 \( \frac{1977561833}{8} a^{2} - 798619971 a - 443255358 \) \( \bigl[a^{2} - a - 6\) , \( -a^{2} + 3 a + 7\) , \( a^{2} - a - 6\) , \( -5 a^{2} + 3 a + 37\) , \( -4 a^{2} + 32 a + 88\bigr] \) ${y}^2+\left(a^{2}-a-6\right){x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+\left(-a^{2}+3a+7\right){x}^{2}+\left(-5a^{2}+3a+37\right){x}-4a^{2}+32a+88$
16.1-d1 16.1-d 3.3.1901.1 \( 2^{4} \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $0.944072279$ $196.7885427$ 4.261024162 \( \frac{29097}{2} a^{2} - 46548 a - 27800 \) \( \bigl[a^{2} - a - 6\) , \( 0\) , \( 0\) , \( -4 a^{2} + 10 a + 22\) , \( -5 a^{2} + 15 a + 21\bigr] \) ${y}^2+\left(a^{2}-a-6\right){x}{y}={x}^{3}+\left(-4a^{2}+10a+22\right){x}-5a^{2}+15a+21$
16.1-d2 16.1-d 3.3.1901.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $2.832216837$ $7.288464545$ 4.261024162 \( \frac{2480255655721557}{8} a^{2} - \frac{8013025003711473}{8} a - \frac{1111860576650545}{2} \) \( \bigl[a^{2} - a - 6\) , \( 0\) , \( 0\) , \( -159 a^{2} + 515 a + 302\) , \( -2484 a^{2} + 7980 a + 4445\bigr] \) ${y}^2+\left(a^{2}-a-6\right){x}{y}={x}^{3}+\left(-159a^{2}+515a+302\right){x}-2484a^{2}+7980a+4445$
16.1-e1 16.1-e 3.3.1901.1 \( 2^{4} \) $0 \le r \le 1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $14.53766694$ 2.692313415 \( -\frac{11242232158325}{2} a^{2} - \frac{61013491788529}{4} a - 6054651719077 \) \( \bigl[a^{2} - 2 a - 6\) , \( -a^{2} + 3 a + 5\) , \( a^{2} - a - 6\) , \( -15457065941 a^{2} - 41944057048 a - 16649213449\) , \( 3694270556229366 a^{2} + 10024715918186016 a + 3979196267326275\bigr] \) ${y}^2+\left(a^{2}-2a-6\right){x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+\left(-a^{2}+3a+5\right){x}^{2}+\left(-15457065941a^{2}-41944057048a-16649213449\right){x}+3694270556229366a^{2}+10024715918186016a+3979196267326275$
16.1-e2 16.1-e 3.3.1901.1 \( 2^{4} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.538432108$ 2.692313415 \( -\frac{95863425374298232453}{64} a^{2} + \frac{309708405544939831025}{64} a + \frac{42974103560518372337}{16} \) \( \bigl[a\) , \( a + 1\) , \( a^{2} - a - 6\) , \( -1130 a^{2} + 618 a + 560\) , \( 2018 a^{2} + 119374 a + 57163\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-1130a^{2}+618a+560\right){x}+2018a^{2}+119374a+57163$
16.3-a1 16.3-a 3.3.1901.1 \( 2^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $46.62881345$ 2.138913893 \( -\frac{122119}{64} a^{2} + \frac{244019}{64} a + \frac{256163}{64} \) \( \bigl[a^{2} - 2 a - 6\) , \( a^{2} - a - 7\) , \( a^{2} - a - 6\) , \( -692417 a^{2} - 1878940 a - 745837\) , \( -1220092128 a^{2} - 3310823289 a - 1314193425\bigr] \) ${y}^2+\left(a^{2}-2a-6\right){x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-692417a^{2}-1878940a-745837\right){x}-1220092128a^{2}-3310823289a-1314193425$
16.3-a2 16.3-a 3.3.1901.1 \( 2^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $5.180979273$ 2.138913893 \( -\frac{7345147908288439}{262144} a^{2} - \frac{19931682374081821}{262144} a - \frac{7911655846417069}{262144} \) \( \bigl[a\) , \( -a^{2} + 2 a + 6\) , \( a^{2} - a - 6\) , \( 1543 a^{2} - 4999 a - 2767\) , \( 4061 a^{2} - 13162 a - 7305\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-6\right){y}={x}^{3}+\left(-a^{2}+2a+6\right){x}^{2}+\left(1543a^{2}-4999a-2767\right){x}+4061a^{2}-13162a-7305$
16.3-b1 16.3-b 3.3.1901.1 \( 2^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $2.409277990$ $19.93706285$ 6.610103856 \( -37161 a^{2} + 120317 a + 66352 \) \( \bigl[a^{2} - 2 a - 6\) , \( -a + 1\) , \( 0\) , \( -a^{2} + 17\) , \( -a^{2} + 12\bigr] \) ${y}^2+\left(a^{2}-2a-6\right){x}{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(-a^{2}+17\right){x}-a^{2}+12$
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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.