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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
8.1-a1 8.1-a 3.3.697.1 \( 2^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $4.892617900$ 1.297247824 \( -\frac{8566225627259849}{16} a^{2} + \frac{74218209683324901}{64} a + \frac{158193447384814707}{128} \) \( \bigl[a\) , \( 0\) , \( 1\) , \( -638 a^{2} - 1825 a - 1037\) , \( 25901 a^{2} + 76595 a + 44088\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}+\left(-638a^{2}-1825a-1037\right){x}+25901a^{2}+76595a+44088$
8.1-a2 8.1-a 3.3.697.1 \( 2^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $34.24832530$ 1.297247824 \( \frac{351863}{2} a^{2} - 137467 a - 1123151 \) \( \bigl[a\) , \( 0\) , \( 1\) , \( 2 a^{2} + 5 a + 3\) , \( -a^{2} - 3 a - 2\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}+\left(2a^{2}+5a+3\right){x}-a^{2}-3a-2$
8.1-b1 8.1-b 3.3.697.1 \( 2^{3} \) 0 $\Z/7\Z$ $\mathrm{SU}(2)$ $1$ $171.6162651$ 1.193956451 \( \frac{351863}{2} a^{2} - 137467 a - 1123151 \) \( \bigl[a^{2} - a - 4\) , \( a^{2} - 2 a - 4\) , \( a^{2} - 4\) , \( 3 a^{2} - 6 a - 11\) , \( 2 a^{2} - 5 a - 8\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a^{2}-2a-4\right){x}^{2}+\left(3a^{2}-6a-11\right){x}+2a^{2}-5a-8$
8.1-b2 8.1-b 3.3.697.1 \( 2^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.500338965$ 1.193956451 \( -\frac{8566225627259849}{16} a^{2} + \frac{74218209683324901}{64} a + \frac{158193447384814707}{128} \) \( \bigl[a^{2} - a - 4\) , \( a^{2} - 2 a - 4\) , \( a^{2} - 4\) , \( -427 a^{2} + 794 a + 879\) , \( -9484 a^{2} + 19447 a + 21032\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a^{2}-2a-4\right){x}^{2}+\left(-427a^{2}+794a+879\right){x}-9484a^{2}+19447a+21032$
11.2-a1 11.2-a 3.3.697.1 \( 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.746811439$ 1.664686436 \( -\frac{21122737673865178}{14641} a^{2} + \frac{34361275652236931}{14641} a + \frac{173526626002163266}{14641} \) \( \bigl[a + 1\) , \( a^{2} - 2 a - 5\) , \( 1\) , \( 507 a^{2} - 423 a - 3295\) , \( 9687 a^{2} - 7710 a - 62162\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(507a^{2}-423a-3295\right){x}+9687a^{2}-7710a-62162$
11.2-a2 11.2-a 3.3.697.1 \( 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $10.98724575$ 1.664686436 \( -\frac{11805919766521078150}{45949729863572161} a^{2} + \frac{23778098342787800525}{45949729863572161} a + \frac{145448866834889845358}{45949729863572161} \) \( \bigl[a + 1\) , \( a^{2} - 2 a - 5\) , \( 1\) , \( 37 a^{2} - 33 a - 235\) , \( 79 a^{2} - 66 a - 504\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(37a^{2}-33a-235\right){x}+79a^{2}-66a-504$
11.2-a3 11.2-a 3.3.697.1 \( 11 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $21.97449151$ 1.664686436 \( -\frac{97386354175171}{214358881} a^{2} + \frac{180712333845900}{214358881} a + \frac{849035189860568}{214358881} \) \( \bigl[a + 1\) , \( a^{2} - 2 a - 5\) , \( 1\) , \( 32 a^{2} - 28 a - 205\) , \( 129 a^{2} - 104 a - 829\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(32a^{2}-28a-205\right){x}+129a^{2}-104a-829$
11.2-a4 11.2-a 3.3.697.1 \( 11 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $43.94898302$ 1.664686436 \( \frac{12842626367}{14641} a^{2} - \frac{27816708251}{14641} a - \frac{29661435944}{14641} \) \( \bigl[a + 1\) , \( a^{2} - 2 a - 5\) , \( 1\) , \( 2 a^{2} - 3 a - 10\) , \( 2 a^{2} - 2 a - 12\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(2a^{2}-3a-10\right){x}+2a^{2}-2a-12$
11.2-b1 11.2-b 3.3.697.1 \( 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.526854108$ $61.17016409$ 1.831069745 \( -\frac{21122737673865178}{14641} a^{2} + \frac{34361275652236931}{14641} a + \frac{173526626002163266}{14641} \) \( \bigl[a^{2} - 5\) , \( a^{2} - 6\) , \( a^{2} - a - 5\) , \( 313 a^{2} - 194 a - 2144\) , \( -5925 a^{2} + 4915 a + 37030\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-6\right){x}^{2}+\left(313a^{2}-194a-2144\right){x}-5925a^{2}+4915a+37030$
11.2-b2 11.2-b 3.3.697.1 \( 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.107416435$ $15.29254102$ 1.831069745 \( -\frac{11805919766521078150}{45949729863572161} a^{2} + \frac{23778098342787800525}{45949729863572161} a + \frac{145448866834889845358}{45949729863572161} \) \( \bigl[a^{2} - 5\) , \( a^{2} - 6\) , \( a^{2} - a - 5\) , \( 43 a^{2} - 54 a - 204\) , \( -5 a^{2} - 79 a + 284\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-6\right){x}^{2}+\left(43a^{2}-54a-204\right){x}-5a^{2}-79a+284$
11.2-b3 11.2-b 3.3.697.1 \( 11 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1.053708217$ $122.3403281$ 1.831069745 \( -\frac{97386354175171}{214358881} a^{2} + \frac{180712333845900}{214358881} a + \frac{849035189860568}{214358881} \) \( \bigl[a^{2} - 5\) , \( a^{2} - 6\) , \( a^{2} - a - 5\) , \( 18 a^{2} - 4 a - 134\) , \( -79 a^{2} + 46 a + 559\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-6\right){x}^{2}+\left(18a^{2}-4a-134\right){x}-79a^{2}+46a+559$
11.2-b4 11.2-b 3.3.697.1 \( 11 \) $1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $0.526854108$ $244.6806563$ 1.831069745 \( \frac{12842626367}{14641} a^{2} - \frac{27816708251}{14641} a - \frac{29661435944}{14641} \) \( \bigl[a^{2} - 5\) , \( a^{2} - 6\) , \( a^{2} - a - 5\) , \( -2 a^{2} + 11 a - 4\) , \( 14 a^{2} - 30 a - 25\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(a^{2}-6\right){x}^{2}+\left(-2a^{2}+11a-4\right){x}+14a^{2}-30a-25$
17.1-a1 17.1-a 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $71.70969112$ 1.358099117 \( -\frac{667419984072}{289} a^{2} + \frac{523199870823}{289} a + \frac{4264532955487}{289} \) \( \bigl[a^{2} - 5\) , \( -a^{2} + a + 6\) , \( 1\) , \( -6 a^{2} - 27 a - 30\) , \( 75 a^{2} + 61 a - 220\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+{y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-6a^{2}-27a-30\right){x}+75a^{2}+61a-220$
17.1-a2 17.1-a 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $143.4193822$ 1.358099117 \( \frac{65809}{17} a^{2} - \frac{623342}{17} a + \frac{1340721}{17} \) \( \bigl[a^{2} - 5\) , \( -a^{2} + a + 6\) , \( 1\) , \( -6 a^{2} + 3 a + 35\) , \( -4 a^{2} + 3 a + 25\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+{y}={x}^{3}+\left(-a^{2}+a+6\right){x}^{2}+\left(-6a^{2}+3a+35\right){x}-4a^{2}+3a+25$
17.1-b1 17.1-b 3.3.697.1 \( 17 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.724536128$ $23.43132633$ 2.295852801 \( -\frac{63221697420751}{83521} a^{2} + \frac{49490981631699}{83521} a + \frac{403809752340760}{83521} \) \( \bigl[a^{2} - 5\) , \( 0\) , \( a^{2} - 5\) , \( 4 a^{2} - 8 a - 15\) , \( -5 a^{2} + 13 a + 2\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(4a^{2}-8a-15\right){x}-5a^{2}+13a+2$
17.1-b2 17.1-b 3.3.697.1 \( 17 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.862268064$ $46.86265267$ 2.295852801 \( \frac{3641328}{289} a^{2} - \frac{3041073}{289} a - \frac{22462370}{289} \) \( \bigl[a^{2} - 5\) , \( 0\) , \( a^{2} - 5\) , \( -a^{2} + 2 a\) , \( -a^{2} + 2 a + 1\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(-a^{2}+2a\right){x}-a^{2}+2a+1$
17.1-b3 17.1-b 3.3.697.1 \( 17 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $5.173608386$ $7.810442111$ 2.295852801 \( \frac{90013459819401950447}{582622237229761} a^{2} + \frac{348809792072041317292}{582622237229761} a + \frac{219322610632172591580}{582622237229761} \) \( \bigl[a^{2} - 5\) , \( 0\) , \( a^{2} - 5\) , \( -96 a^{2} + 202 a + 210\) , \( -962 a^{2} + 2092 a + 2216\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(-96a^{2}+202a+210\right){x}-962a^{2}+2092a+2216$
17.1-b4 17.1-b 3.3.697.1 \( 17 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.586804193$ $15.62088422$ 2.295852801 \( \frac{131375025799477551}{24137569} a^{2} - \frac{284559987275255811}{24137569} a - \frac{303264657356132840}{24137569} \) \( \bigl[a^{2} - 5\) , \( 0\) , \( a^{2} - 5\) , \( -96 a^{2} + 207 a + 220\) , \( -963 a^{2} + 2085 a + 2223\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(-96a^{2}+207a+220\right){x}-963a^{2}+2085a+2223$
17.1-c1 17.1-c 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.596553106$ 0.967580178 \( -\frac{2879249607631771904752}{83521} a^{2} + \frac{2253906630956500517103}{83521} a + \frac{18390386521404518009291}{83521} \) \( \bigl[a + 1\) , \( a\) , \( a^{2} - a - 4\) , \( -90 a^{2} + 523 a - 757\) , \( -2736 a^{2} + 10245 a - 6434\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+a{x}^{2}+\left(-90a^{2}+523a-757\right){x}-2736a^{2}+10245a-6434$
17.1-c2 17.1-c 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.596553106$ 0.967580178 \( \frac{183829318516945518886640}{48661191875666868481} a^{2} - \frac{139992000735298073608751}{48661191875666868481} a - \frac{1185923485111742796546619}{48661191875666868481} \) \( \bigl[a + 1\) , \( a\) , \( a^{2} - a - 4\) , \( 23 a - 57\) , \( -84 a^{2} + 253 a + 4\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+a{x}^{2}+\left(23a-57\right){x}-84a^{2}+253a+4$
17.1-c3 17.1-c 3.3.697.1 \( 17 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $12.77242485$ 0.967580178 \( -\frac{569103945996193663}{6975757441} a^{2} + \frac{444325120833032186}{6975757441} a + \frac{3639142447015499113}{6975757441} \) \( \bigl[a + 1\) , \( a\) , \( a^{2} - a - 4\) , \( -5 a^{2} + 33 a - 47\) , \( -36 a^{2} + 143 a - 105\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+a{x}^{2}+\left(-5a^{2}+33a-47\right){x}-36a^{2}+143a-105$
17.1-c4 17.1-c 3.3.697.1 \( 17 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $51.08969941$ 0.967580178 \( \frac{1382764996953944349407}{289} a^{2} + \frac{4077536635636398631878}{289} a + \frac{2344600683768746747079}{289} \) \( \bigl[a + 1\) , \( a\) , \( a^{2} - a - 4\) , \( 5 a^{2} - 27 a - 37\) , \( -6 a^{2} + 41 a + 51\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+a{x}^{2}+\left(5a^{2}-27a-37\right){x}-6a^{2}+41a+51$
17.1-c5 17.1-c 3.3.697.1 \( 17 \) 0 $\Z/2\Z\oplus\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $102.1793988$ 0.967580178 \( \frac{41816865134957}{83521} a^{2} + \frac{123311925757669}{83521} a + \frac{70906896056773}{83521} \) \( \bigl[a + 1\) , \( a\) , \( a^{2} - a - 4\) , \( 3 a - 2\) , \( a^{2} - 5\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+a{x}^{2}+\left(3a-2\right){x}+a^{2}-5$
17.1-c6 17.1-c 3.3.697.1 \( 17 \) 0 $\Z/8\Z$ $\mathrm{SU}(2)$ $1$ $204.3587976$ 0.967580178 \( \frac{2444330}{289} a^{2} - \frac{12809571}{289} a - \frac{11518861}{289} \) \( \bigl[a + 1\) , \( a\) , \( a^{2} - a - 4\) , \( 3 a + 3\) , \( 2 a^{2} - a - 4\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+a{x}^{2}+\left(3a+3\right){x}+2a^{2}-a-4$
17.1-d1 17.1-d 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $11.03814315$ 1.672397941 \( -\frac{2879249607631771904752}{83521} a^{2} + \frac{2253906630956500517103}{83521} a + \frac{18390386521404518009291}{83521} \) \( \bigl[1\) , \( a^{2} - 2 a - 5\) , \( a + 1\) , \( 330 a^{2} - 293 a - 2240\) , \( -6054 a^{2} + 4912 a + 38758\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(330a^{2}-293a-2240\right){x}-6054a^{2}+4912a+38758$
17.1-d2 17.1-d 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.519071575$ 1.672397941 \( \frac{1382764996953944349407}{289} a^{2} + \frac{4077536635636398631878}{289} a + \frac{2344600683768746747079}{289} \) \( \bigl[1\) , \( a^{2} - 2 a - 5\) , \( a + 1\) , \( -105 a^{2} - 328 a - 210\) , \( -1853 a^{2} - 5473 a - 3157\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(-105a^{2}-328a-210\right){x}-1853a^{2}-5473a-3157$
17.1-d3 17.1-d 3.3.697.1 \( 17 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $22.07628630$ 1.672397941 \( -\frac{569103945996193663}{6975757441} a^{2} + \frac{444325120833032186}{6975757441} a + \frac{3639142447015499113}{6975757441} \) \( \bigl[1\) , \( a^{2} - 2 a - 5\) , \( a + 1\) , \( 15 a^{2} - 38 a - 150\) , \( -135 a^{2} + 11 a + 651\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(15a^{2}-38a-150\right){x}-135a^{2}+11a+651$
17.1-d4 17.1-d 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.759535787$ 1.672397941 \( \frac{183829318516945518886640}{48661191875666868481} a^{2} - \frac{139992000735298073608751}{48661191875666868481} a - \frac{1185923485111742796546619}{48661191875666868481} \) \( \bigl[1\) , \( a^{2} - 2 a - 5\) , \( a + 1\) , \( 20 a^{2} - 23 a - 140\) , \( -184 a^{2} - 126 a + 584\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(20a^{2}-23a-140\right){x}-184a^{2}-126a+584$
17.1-d5 17.1-d 3.3.697.1 \( 17 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $44.15257260$ 1.672397941 \( \frac{41816865134957}{83521} a^{2} + \frac{123311925757669}{83521} a + \frac{70906896056773}{83521} \) \( \bigl[1\) , \( a^{2} - 2 a - 5\) , \( a + 1\) , \( -5 a^{2} - 23 a - 20\) , \( -28 a^{2} - 75 a - 29\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(-5a^{2}-23a-20\right){x}-28a^{2}-75a-29$
17.1-d6 17.1-d 3.3.697.1 \( 17 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $88.30514520$ 1.672397941 \( \frac{2444330}{289} a^{2} - \frac{12809571}{289} a - \frac{11518861}{289} \) \( \bigl[1\) , \( a^{2} - 2 a - 5\) , \( a + 1\) , \( -3 a\) , \( -2 a - 2\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}-3a{x}-2a-2$
17.1-e1 17.1-e 3.3.697.1 \( 17 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $10.30317062$ $3.817125992$ 2.234509766 \( \frac{90013459819401950447}{582622237229761} a^{2} + \frac{348809792072041317292}{582622237229761} a + \frac{219322610632172591580}{582622237229761} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -35 a^{2} - 96 a - 61\) , \( -345 a^{2} - 982 a - 555\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-35a^{2}-96a-61\right){x}-345a^{2}-982a-555$
17.1-e2 17.1-e 3.3.697.1 \( 17 \) $1$ $\Z/6\Z$ $\mathrm{SU}(2)$ $3.434390209$ $103.0624017$ 2.234509766 \( -\frac{63221697420751}{83521} a^{2} + \frac{49490981631699}{83521} a + \frac{403809752340760}{83521} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -6 a - 11\) , \( 3 a + 7\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-6a-11\right){x}+3a+7$
17.1-e3 17.1-e 3.3.697.1 \( 17 \) $1$ $\Z/6\Z$ $\mathrm{SU}(2)$ $1.717195104$ $206.1248035$ 2.234509766 \( \frac{3641328}{289} a^{2} - \frac{3041073}{289} a - \frac{22462370}{289} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -a - 1\) , \( 0\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-a-1\right){x}$
17.1-e4 17.1-e 3.3.697.1 \( 17 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $5.151585314$ $7.634251984$ 2.234509766 \( \frac{131375025799477551}{24137569} a^{2} - \frac{284559987275255811}{24137569} a - \frac{303264657356132840}{24137569} \) \( \bigl[a + 1\) , \( -a\) , \( a + 1\) , \( -5 a^{2} - a + 4\) , \( -14 a^{2} - 7 a + 4\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-5a^{2}-a+4\right){x}-14a^{2}-7a+4$
17.1-f1 17.1-f 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $101.5839361$ 1.923882977 \( -\frac{667419984072}{289} a^{2} + \frac{523199870823}{289} a + \frac{4264532955487}{289} \) \( \bigl[a^{2} - 4\) , \( a^{2} - a - 6\) , \( a^{2} - 4\) , \( 6 a^{2} - 6 a - 43\) , \( -16 a^{2} + 9 a + 94\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(6a^{2}-6a-43\right){x}-16a^{2}+9a+94$
17.1-f2 17.1-f 3.3.697.1 \( 17 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $203.1678722$ 1.923882977 \( \frac{65809}{17} a^{2} - \frac{623342}{17} a + \frac{1340721}{17} \) \( \bigl[a^{2} - 4\) , \( a^{2} - a - 6\) , \( a^{2} - 4\) , \( a^{2} - a - 8\) , \( -1\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(a^{2}-4\right){y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(a^{2}-a-8\right){x}-1$
23.1-a1 23.1-a 3.3.697.1 \( 23 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.209680137$ $110.8131942$ 2.640302162 \( -\frac{212670}{23} a^{2} + \frac{478001}{23} a + \frac{480840}{23} \) \( \bigl[a^{2} - a - 4\) , \( a^{2} - 4\) , \( a + 1\) , \( a + 2\) , \( -a^{2} + 2 a + 2\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-4\right){x}^{2}+\left(a+2\right){x}-a^{2}+2a+2$
23.1-b1 23.1-b 3.3.697.1 \( 23 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $49.26387972$ 1.866002504 \( -\frac{212670}{23} a^{2} + \frac{478001}{23} a + \frac{480840}{23} \) \( \bigl[a\) , \( a^{2} - a - 6\) , \( a^{2} - 5\) , \( -3 a^{2} - 6 a + 2\) , \( a^{2} - 3 a - 11\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(-3a^{2}-6a+2\right){x}+a^{2}-3a-11$
25.2-a1 25.2-a 3.3.697.1 \( 5^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.198787151$ $57.76243326$ 2.609568207 \( -\frac{525672}{125} a^{2} + \frac{73021}{25} a + \frac{3267004}{125} \) \( \bigl[a^{2} - 4\) , \( -a^{2} + 2 a + 4\) , \( a^{2} - a - 5\) , \( 3 a^{2} - 2 a - 7\) , \( -a^{2} + 8 a - 4\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(a^{2}-a-5\right){y}={x}^{3}+\left(-a^{2}+2a+4\right){x}^{2}+\left(3a^{2}-2a-7\right){x}-a^{2}+8a-4$
25.2-b1 25.2-b 3.3.697.1 \( 5^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.144897740$ $36.67537351$ 2.415466491 \( -\frac{525672}{125} a^{2} + \frac{73021}{25} a + \frac{3267004}{125} \) \( \bigl[a^{2} - 5\) , \( -a - 1\) , \( a^{2} - a - 4\) , \( a^{2} - 2 a - 8\) , \( -2\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(a^{2}-2a-8\right){x}-2$
27.1-a1 27.1-a 3.3.697.1 \( 3^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $6.252184426$ 2.131365348 \( \frac{87935620292142571520}{3} a^{2} - \frac{68837382277746970624}{3} a - 187220786639926558720 \) \( \bigl[0\) , \( -a - 1\) , \( a^{2} - a - 4\) , \( -39 a^{2} - 117 a - 73\) , \( 971 a^{2} + 2859 a + 1637\bigr] \) ${y}^2+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-39a^{2}-117a-73\right){x}+971a^{2}+2859a+1637$
27.1-b1 27.1-b 3.3.697.1 \( 3^{3} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $38.54379725$ 1.459950425 \( \frac{4255253209}{81} a^{2} - \frac{9216918962}{81} a - \frac{9822611105}{81} \) \( \bigl[a^{2} - 5\) , \( a^{2} - a - 6\) , \( 0\) , \( -4 a^{2} - 12 a - 8\) , \( -13 a^{2} - 38 a - 22\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(-4a^{2}-12a-8\right){x}-13a^{2}-38a-22$
27.1-b2 27.1-b 3.3.697.1 \( 3^{3} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $77.08759450$ 1.459950425 \( \frac{7787}{3} a^{2} - \frac{51547}{9} a - \frac{40955}{9} \) \( \bigl[a^{2} - 5\) , \( a^{2} - a - 6\) , \( 0\) , \( a^{2} + 3 a + 2\) , \( 0\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(a^{2}+3a+2\right){x}$
27.1-c1 27.1-c 3.3.697.1 \( 3^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $41.78855116$ 1.582854244 \( \frac{87935620292142571520}{3} a^{2} - \frac{68837382277746970624}{3} a - 187220786639926558720 \) \( \bigl[0\) , \( a^{2} - 2 a - 5\) , \( a^{2} - 5\) , \( -16 a^{2} + 27 a + 30\) , \( 68 a^{2} - 181 a - 183\bigr] \) ${y}^2+\left(a^{2}-5\right){y}={x}^{3}+\left(a^{2}-2a-5\right){x}^{2}+\left(-16a^{2}+27a+30\right){x}+68a^{2}-181a-183$
27.1-d1 27.1-d 3.3.697.1 \( 3^{3} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $100.2397520$ 1.898425676 \( \frac{7787}{3} a^{2} - \frac{51547}{9} a - \frac{40955}{9} \) \( \bigl[a^{2} - 4\) , \( a^{2} - 6\) , \( a + 1\) , \( 3 a + 5\) , \( a^{2} + 3 a + 1\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-6\right){x}^{2}+\left(3a+5\right){x}+a^{2}+3a+1$
27.1-d2 27.1-d 3.3.697.1 \( 3^{3} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $50.11987604$ 1.898425676 \( \frac{4255253209}{81} a^{2} - \frac{9216918962}{81} a - \frac{9822611105}{81} \) \( \bigl[a^{2} - 4\) , \( a^{2} - 6\) , \( a + 1\) , \( -5 a^{2} + 13 a + 15\) , \( -10 a^{2} + 24 a + 25\bigr] \) ${y}^2+\left(a^{2}-4\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}-6\right){x}^{2}+\left(-5a^{2}+13a+15\right){x}-10a^{2}+24a+25$
37.1-a1 37.1-a 3.3.697.1 \( 37 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.447576966$ $118.4143923$ 3.011251917 \( -\frac{847184617593}{1874161} a^{2} + \frac{745877389554}{1874161} a + \frac{5593446939393}{1874161} \) \( \bigl[a\) , \( -a^{2} + 6\) , \( a^{2} - a - 4\) , \( -27 a^{2} - 78 a - 37\) , \( 228 a^{2} + 675 a + 391\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a^{2}+6\right){x}^{2}+\left(-27a^{2}-78a-37\right){x}+228a^{2}+675a+391$
37.1-a2 37.1-a 3.3.697.1 \( 37 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.223788483$ $236.8287846$ 3.011251917 \( \frac{578097}{1369} a^{2} - \frac{935307}{1369} a - \frac{2348811}{1369} \) \( \bigl[a\) , \( -a^{2} + 6\) , \( a^{2} - a - 4\) , \( -2 a^{2} - 3 a + 8\) , \( 6 a^{2} + 22 a + 18\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-a-4\right){y}={x}^{3}+\left(-a^{2}+6\right){x}^{2}+\left(-2a^{2}-3a+8\right){x}+6a^{2}+22a+18$
37.1-b1 37.1-b 3.3.697.1 \( 37 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.725888381$ $25.80900017$ 2.530805418 \( -\frac{847184617593}{1874161} a^{2} + \frac{745877389554}{1874161} a + \frac{5593446939393}{1874161} \) \( \bigl[a^{2} - a - 4\) , \( a\) , \( 0\) , \( -4 a - 4\) , \( -3 a^{2} - 9 a - 6\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}={x}^{3}+a{x}^{2}+\left(-4a-4\right){x}-3a^{2}-9a-6$
37.1-b2 37.1-b 3.3.697.1 \( 37 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.862944190$ $51.61800035$ 2.530805418 \( \frac{578097}{1369} a^{2} - \frac{935307}{1369} a - \frac{2348811}{1369} \) \( \bigl[a^{2} - a - 4\) , \( a\) , \( 0\) , \( a + 1\) , \( 0\bigr] \) ${y}^2+\left(a^{2}-a-4\right){x}{y}={x}^{3}+a{x}^{2}+\left(a+1\right){x}$
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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.