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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 3.3.1825.1 \( 2^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $25.34154389$ 1.186401347 \( -25221 a^{2} - \frac{569429}{4} a - \frac{811355}{4} \) \( \bigl[a + 1\) , \( a^{2} - 5\) , \( a\) , \( a + 2\) , \( -a^{2} - 2 a + 1\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(a+2\right){x}-a^{2}-2a+1$
8.1-b1 8.1-b 3.3.1825.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $3.974254708$ $11.37605449$ 3.174952128 \( \frac{46969655}{32768} \) \( \bigl[a^{2} + a - 5\) , \( a^{2} + a - 5\) , \( a + 1\) , \( 345 a^{2} + 664 a - 822\) , \( -1815 a^{2} - 3483 a + 4352\bigr] \) ${y}^2+\left(a^{2}+a-5\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}+a-5\right){x}^{2}+\left(345a^{2}+664a-822\right){x}-1815a^{2}-3483a+4352$
8.1-b2 8.1-b 3.3.1825.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.324751569$ $34.12816347$ 3.174952128 \( -\frac{121945}{32} \) \( \bigl[a^{2} + a - 5\) , \( a^{2} + a - 5\) , \( a + 1\) , \( -40 a^{2} - 76 a + 98\) , \( 259 a^{2} + 497 a - 622\bigr] \) ${y}^2+\left(a^{2}+a-5\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(a^{2}+a-5\right){x}^{2}+\left(-40a^{2}-76a+98\right){x}+259a^{2}+497a-622$
8.1-b3 8.1-b 3.3.1825.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.264950313$ $170.6408173$ 3.174952128 \( -\frac{25}{2} \) \( \bigl[a + 1\) , \( a^{2} - a - 7\) , \( a^{2} + a - 5\) , \( -3 a^{2} - 3 a + 21\) , \( -a^{2} - 6 a - 6\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-3a^{2}-3a+21\right){x}-a^{2}-6a-6$
8.1-b4 8.1-b 3.3.1825.1 \( 2^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.794850941$ $56.88027246$ 3.174952128 \( -\frac{349938025}{8} \) \( \bigl[a + 1\) , \( a^{2} - a - 7\) , \( a^{2} + a - 5\) , \( -58 a^{2} - 108 a + 151\) , \( -586 a^{2} - 1127 a + 1399\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}+\left(a^{2}-a-7\right){x}^{2}+\left(-58a^{2}-108a+151\right){x}-586a^{2}-1127a+1399$
8.1-c1 8.1-c 3.3.1825.1 \( 2^{3} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.813593847$ 3.181351283 \( -\frac{349938025}{8} \) \( \bigl[a^{2} + a - 6\) , \( 0\) , \( a^{2} + a - 5\) , \( -5 a^{2} - 30 a - 45\) , \( -64 a^{2} - 224 a - 128\bigr] \) ${y}^2+\left(a^{2}+a-6\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}+\left(-5a^{2}-30a-45\right){x}-64a^{2}-224a-128$
8.1-c2 8.1-c 3.3.1825.1 \( 2^{3} \) $0 \le r \le 1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $48.96703389$ 3.181351283 \( -\frac{25}{2} \) \( \bigl[a^{2} + a - 6\) , \( 0\) , \( a^{2} + a - 5\) , \( 0\) , \( 0\bigr] \) ${y}^2+\left(a^{2}+a-6\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}$
8.1-c3 8.1-c 3.3.1825.1 \( 2^{3} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $9.067969238$ 3.181351283 \( \frac{46969655}{32768} \) \( \bigl[a + 1\) , \( a - 1\) , \( 1\) , \( 67 a^{2} + 181 a - 11\) , \( -293 a^{2} - 680 a + 374\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(67a^{2}+181a-11\right){x}-293a^{2}-680a+374$
8.1-c4 8.1-c 3.3.1825.1 \( 2^{3} \) $0 \le r \le 1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $244.8351694$ 3.181351283 \( -\frac{121945}{32} \) \( \bigl[a + 1\) , \( a - 1\) , \( 1\) , \( -8 a^{2} - 24 a - 1\) , \( 40 a^{2} + 93 a - 52\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-8a^{2}-24a-1\right){x}+40a^{2}+93a-52$
8.1-d1 8.1-d 3.3.1825.1 \( 2^{3} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $40.94866624$ 1.917071549 \( -25221 a^{2} - \frac{569429}{4} a - \frac{811355}{4} \) \( \bigl[a^{2} + a - 6\) , \( 1\) , \( a + 1\) , \( 2 a + 5\) , \( a^{2} + 2 a - 3\bigr] \) ${y}^2+\left(a^{2}+a-6\right){x}{y}+\left(a+1\right){y}={x}^{3}+{x}^{2}+\left(2a+5\right){x}+a^{2}+2a-3$
27.1-a1 27.1-a 3.3.1825.1 \( 3^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.356266079$ $152.9086637$ 3.825572072 \( -\frac{102400}{3} \) \( \bigl[0\) , \( a^{2} - a - 6\) , \( a\) , \( -5 a^{2} - 8 a + 23\) , \( -8 a^{2} - 18 a + 13\bigr] \) ${y}^2+a{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(-5a^{2}-8a+23\right){x}-8a^{2}-18a+13$
27.1-a2 27.1-a 3.3.1825.1 \( 3^{3} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.781330399$ $30.58173274$ 3.825572072 \( \frac{20480}{243} \) \( \bigl[0\) , \( a + 1\) , \( a + 1\) , \( 26 a^{2} + 50 a - 61\) , \( 792 a^{2} + 1520 a - 1900\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(26a^{2}+50a-61\right){x}+792a^{2}+1520a-1900$
27.1-b1 27.1-b 3.3.1825.1 \( 3^{3} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $13.79480980$ 3.559779693 \( -\frac{102400}{3} \) \( \bigl[0\) , \( a\) , \( a^{2} + a - 5\) , \( -2 a - 3\) , \( -2 a^{2} - 6 a - 2\bigr] \) ${y}^2+\left(a^{2}+a-5\right){y}={x}^{3}+a{x}^{2}+\left(-2a-3\right){x}-2a^{2}-6a-2$
27.1-b2 27.1-b 3.3.1825.1 \( 3^{3} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $68.97404900$ 3.559779693 \( \frac{20480}{243} \) \( \bigl[0\) , \( -a^{2} + 6\) , \( a\) , \( 4 a^{2} + 14 a + 9\) , \( 84 a^{2} + 197 a - 104\bigr] \) ${y}^2+a{y}={x}^{3}+\left(-a^{2}+6\right){x}^{2}+\left(4a^{2}+14a+9\right){x}+84a^{2}+197a-104$
31.1-a1 31.1-a 3.3.1825.1 \( 31 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.959575459$ $66.24420773$ 4.463924733 \( -\frac{26320131}{31} a^{2} - \frac{50567719}{31} a + \frac{62942284}{31} \) \( \bigl[1\) , \( -a\) , \( a + 1\) , \( -5 a^{2} - 11 a + 12\) , \( 21 a^{2} + 40 a - 51\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-5a^{2}-11a+12\right){x}+21a^{2}+40a-51$
31.1-b1 31.1-b 3.3.1825.1 \( 31 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.089646928$ $419.5870474$ 2.641479896 \( -\frac{26320131}{31} a^{2} - \frac{50567719}{31} a + \frac{62942284}{31} \) \( \bigl[a^{2} + a - 6\) , \( -a^{2} + 5\) , \( a\) , \( -24 a^{2} - 38 a + 80\) , \( 87 a^{2} + 175 a - 188\bigr] \) ${y}^2+\left(a^{2}+a-6\right){x}{y}+a{y}={x}^{3}+\left(-a^{2}+5\right){x}^{2}+\left(-24a^{2}-38a+80\right){x}+87a^{2}+175a-188$
35.1-a1 35.1-a 3.3.1825.1 \( 5 \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $4.697805787$ $24.42639829$ 4.029158180 \( -\frac{5523209449580259866763}{69206436005} a^{2} + \frac{761127012824843830457}{69206436005} a + \frac{44841915529379799234402}{69206436005} \) \( \bigl[a\) , \( a + 1\) , \( a^{2} - 6\) , \( 17 a - 68\) , \( -33 a^{2} + 24 a + 124\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(17a-68\right){x}-33a^{2}+24a+124$
35.1-a2 35.1-a 3.3.1825.1 \( 5 \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.565935262$ $73.27919487$ 4.029158180 \( \frac{759176618264}{12005} a^{2} - \frac{2854803868001}{12005} a + \frac{1897150792291}{12005} \) \( \bigl[a\) , \( a + 1\) , \( a^{2} - 6\) , \( -5 a^{2} + 17 a - 8\) , \( -17 a^{2} + 67 a - 52\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-5a^{2}+17a-8\right){x}-17a^{2}+67a-52$
35.1-a3 35.1-a 3.3.1825.1 \( 5 \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.782967631$ $73.27919487$ 4.029158180 \( -\frac{74247}{49} a^{2} + \frac{1682594}{245} a - \frac{1130363}{245} \) \( \bigl[a\) , \( a + 1\) , \( a^{2} - 6\) , \( 2 a + 2\) , \( a^{2} + 2 a - 9\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(2a+2\right){x}+a^{2}+2a-9$
35.1-a4 35.1-a 3.3.1825.1 \( 5 \cdot 7 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.348902893$ $24.42639829$ 4.029158180 \( \frac{2499774334544}{2941225} a^{2} + \frac{4172403380589}{2941225} a - \frac{1545634061053}{588245} \) \( \bigl[a\) , \( a + 1\) , \( a^{2} - 6\) , \( -8 a + 7\) , \( -8 a^{2} - 11 a + 9\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(-8a+7\right){x}-8a^{2}-11a+9$
35.1-b1 35.1-b 3.3.1825.1 \( 5 \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.303107341$ 0.442633748 \( -\frac{5523209449580259866763}{69206436005} a^{2} + \frac{761127012824843830457}{69206436005} a + \frac{44841915529379799234402}{69206436005} \) \( \bigl[a^{2} - 6\) , \( 0\) , \( a^{2} - 6\) , \( 399 a^{2} - 55 a - 3249\) , \( 9368 a^{2} - 1293 a - 76062\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(399a^{2}-55a-3249\right){x}+9368a^{2}-1293a-76062$
35.1-b2 35.1-b 3.3.1825.1 \( 5 \cdot 7 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $6.303107341$ 0.442633748 \( \frac{2499774334544}{2941225} a^{2} + \frac{4172403380589}{2941225} a - \frac{1545634061053}{588245} \) \( \bigl[a^{2} - 6\) , \( 0\) , \( a^{2} - 6\) , \( 24 a^{2} - 5 a - 199\) , \( 188 a^{2} - 28 a - 1532\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(24a^{2}-5a-199\right){x}+188a^{2}-28a-1532$
35.1-b3 35.1-b 3.3.1825.1 \( 5 \cdot 7 \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $170.1838982$ 0.442633748 \( \frac{759176618264}{12005} a^{2} - \frac{2854803868001}{12005} a + \frac{1897150792291}{12005} \) \( \bigl[a^{2} - 6\) , \( 0\) , \( a^{2} - 6\) , \( 4 a^{2} - 39\) , \( 22 a^{2} - 4 a - 177\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(4a^{2}-39\right){x}+22a^{2}-4a-177$
35.1-b4 35.1-b 3.3.1825.1 \( 5 \cdot 7 \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $170.1838982$ 0.442633748 \( -\frac{74247}{49} a^{2} + \frac{1682594}{245} a - \frac{1130363}{245} \) \( \bigl[a^{2} - 6\) , \( 0\) , \( a^{2} - 6\) , \( -a^{2} + 6\) , \( -a^{2} + 7\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(-a^{2}+6\right){x}-a^{2}+7$
41.2-a1 41.2-a 3.3.1825.1 \( 41 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.253478058$ $131.5925355$ 5.791723440 \( \frac{3313179204}{1681} a^{2} - \frac{8551794321}{1681} a + \frac{4930460239}{1681} \) \( \bigl[a + 1\) , \( -a^{2} + 6\) , \( a^{2} - 5\) , \( -24 a^{2} + 79 a - 34\) , \( 178 a^{2} - 677 a + 455\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(-a^{2}+6\right){x}^{2}+\left(-24a^{2}+79a-34\right){x}+178a^{2}-677a+455$
41.2-a2 41.2-a 3.3.1825.1 \( 41 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $2.506956116$ $131.5925355$ 5.791723440 \( \frac{6761}{41} a^{2} - \frac{58574}{41} a + \frac{49857}{41} \) \( \bigl[a + 1\) , \( -a^{2} + 6\) , \( a^{2} - 5\) , \( -4 a^{2} + 4 a + 16\) , \( 2 a^{2} - 11 a + 12\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}-5\right){y}={x}^{3}+\left(-a^{2}+6\right){x}^{2}+\left(-4a^{2}+4a+16\right){x}+2a^{2}-11a+12$
41.2-b1 41.2-b 3.3.1825.1 \( 41 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.839035517$ $46.00872539$ 5.421760929 \( \frac{43107995}{1681} a^{2} - \frac{7041265}{1681} a - \frac{352452641}{1681} \) \( \bigl[a^{2} - 6\) , \( a^{2} - 5\) , \( a^{2} + a - 6\) , \( 2 a^{2} - a - 13\) , \( a^{2} - a - 9\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a^{2}+a-6\right){y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(2a^{2}-a-13\right){x}+a^{2}-a-9$
41.2-b2 41.2-b 3.3.1825.1 \( 41 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $4.195177589$ $9.201745078$ 5.421760929 \( -\frac{63111328151676894474}{13422659310152401} a^{2} + \frac{234345761744066303849}{13422659310152401} a - \frac{146563149434045942468}{13422659310152401} \) \( \bigl[a^{2} - 6\) , \( a^{2} - 5\) , \( a^{2} + a - 6\) , \( -3 a^{2} + 4 a + 12\) , \( -11 a^{2} - 9 a + 85\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a^{2}+a-6\right){y}={x}^{3}+\left(a^{2}-5\right){x}^{2}+\left(-3a^{2}+4a+12\right){x}-11a^{2}-9a+85$
41.2-c1 41.2-c 3.3.1825.1 \( 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $32.22522441$ 3.394509510 \( \frac{3313179204}{1681} a^{2} - \frac{8551794321}{1681} a + \frac{4930460239}{1681} \) \( \bigl[a^{2} + a - 6\) , \( a - 1\) , \( 1\) , \( a^{2} + 9 a - 9\) , \( 4 a^{2} + 10 a - 35\bigr] \) ${y}^2+\left(a^{2}+a-6\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(a^{2}+9a-9\right){x}+4a^{2}+10a-35$
41.2-c2 41.2-c 3.3.1825.1 \( 41 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $64.45044882$ 3.394509510 \( \frac{6761}{41} a^{2} - \frac{58574}{41} a + \frac{49857}{41} \) \( \bigl[a^{2} + a - 6\) , \( a - 1\) , \( 1\) , \( a^{2} + 4 a + 6\) , \( 2 a^{2} + 5 a - 2\bigr] \) ${y}^2+\left(a^{2}+a-6\right){x}{y}+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(a^{2}+4a+6\right){x}+2a^{2}+5a-2$
41.2-d1 41.2-d 3.3.1825.1 \( 41 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.952952865$ 0.457151687 \( -\frac{63111328151676894474}{13422659310152401} a^{2} + \frac{234345761744066303849}{13422659310152401} a - \frac{146563149434045942468}{13422659310152401} \) \( \bigl[a\) , \( a - 1\) , \( a + 1\) , \( -20 a^{2} + 69 a - 45\) , \( -150 a^{2} + 468 a - 293\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-20a^{2}+69a-45\right){x}-150a^{2}+468a-293$
41.2-d2 41.2-d 3.3.1825.1 \( 41 \) 0 $\Z/5\Z$ $\mathrm{SU}(2)$ $1$ $244.1191082$ 0.457151687 \( \frac{43107995}{1681} a^{2} - \frac{7041265}{1681} a - \frac{352452641}{1681} \) \( \bigl[a\) , \( a - 1\) , \( a + 1\) , \( -a\) , \( -a\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}+\left(a-1\right){x}^{2}-a{x}-a$
41.2-e1 41.2-e 3.3.1825.1 \( 41 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.188790066$ $323.4495401$ 4.288204583 \( \frac{12575}{41} a^{2} - \frac{3030}{41} a - \frac{26442}{41} \) \( \bigl[a^{2} - 5\) , \( a^{2} - 6\) , \( a^{2} + a - 5\) , \( a^{2} - a - 7\) , \( -a - 2\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}+\left(a^{2}-6\right){x}^{2}+\left(a^{2}-a-7\right){x}-a-2$
41.2-f1 41.2-f 3.3.1825.1 \( 41 \) $2$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.204306114$ $133.5347349$ 5.747602021 \( \frac{12575}{41} a^{2} - \frac{3030}{41} a - \frac{26442}{41} \) \( \bigl[a^{2} + a - 5\) , \( -a^{2} - a + 7\) , \( a^{2} + a - 6\) , \( -2 a^{2} - a + 14\) , \( 0\bigr] \) ${y}^2+\left(a^{2}+a-5\right){x}{y}+\left(a^{2}+a-6\right){y}={x}^{3}+\left(-a^{2}-a+7\right){x}^{2}+\left(-2a^{2}-a+14\right){x}$
49.2-a1 49.2-a 3.3.1825.1 \( 7^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $152.8342774$ 3.577579832 \( 556 a^{2} - 49 a - 4438 \) \( \bigl[a^{2} + a - 6\) , \( a^{2} - a - 5\) , \( 1\) , \( 2 a^{2} + a - 1\) , \( 2 a^{2} + 2 a - 3\bigr] \) ${y}^2+\left(a^{2}+a-6\right){x}{y}+{y}={x}^{3}+\left(a^{2}-a-5\right){x}^{2}+\left(2a^{2}+a-1\right){x}+2a^{2}+2a-3$
49.2-b1 49.2-b 3.3.1825.1 \( 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $63.01388175$ 0.737521701 \( 4071 a^{2} + 4201 a - 19798 \) \( \bigl[1\) , \( a^{2} - 7\) , \( a^{2} + a - 6\) , \( -5 a^{2} - 6 a + 23\) , \( 6 a^{2} + 8 a - 24\bigr] \) ${y}^2+{x}{y}+\left(a^{2}+a-6\right){y}={x}^{3}+\left(a^{2}-7\right){x}^{2}+\left(-5a^{2}-6a+23\right){x}+6a^{2}+8a-24$
49.2-b2 49.2-b 3.3.1825.1 \( 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $63.01388175$ 0.737521701 \( 33751039 a^{2} + 117637124 a + 66126589 \) \( \bigl[1\) , \( a^{2} - 7\) , \( a^{2} + a - 6\) , \( -50 a^{2} - 91 a + 128\) , \( 410 a^{2} + 783 a - 990\bigr] \) ${y}^2+{x}{y}+\left(a^{2}+a-6\right){y}={x}^{3}+\left(a^{2}-7\right){x}^{2}+\left(-50a^{2}-91a+128\right){x}+410a^{2}+783a-990$
49.2-c1 49.2-c 3.3.1825.1 \( 7^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $101.1151661$ 2.366927009 \( 556 a^{2} - 49 a - 4438 \) \( \bigl[a + 1\) , \( 0\) , \( a^{2} + a - 5\) , \( -a^{2} - a + 5\) , \( -a - 2\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}+\left(-a^{2}-a+5\right){x}-a-2$
49.2-d1 49.2-d 3.3.1825.1 \( 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $118.1981960$ 1.383405246 \( 33751039 a^{2} + 117637124 a + 66126589 \) \( \bigl[a\) , \( a - 1\) , \( a^{2} - 6\) , \( -27 a - 72\) , \( -4 a^{2} + 92 a + 286\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-27a-72\right){x}-4a^{2}+92a+286$
49.2-d2 49.2-d 3.3.1825.1 \( 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $118.1981960$ 1.383405246 \( 4071 a^{2} + 4201 a - 19798 \) \( \bigl[a\) , \( a - 1\) , \( a^{2} - 6\) , \( -2 a - 2\) , \( -1\bigr] \) ${y}^2+a{x}{y}+\left(a^{2}-6\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-2a-2\right){x}-1$
55.1-a1 55.1-a 3.3.1825.1 \( 5 \cdot 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $183.6867657$ 3.224836468 \( -\frac{155241403769}{6655} a^{2} + \frac{4279876738}{1331} a + \frac{252074062995}{1331} \) \( \bigl[a^{2} - 6\) , \( -a - 1\) , \( a + 1\) , \( -109 a^{2} - 206 a + 272\) , \( 497 a^{2} + 955 a - 1189\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-109a^{2}-206a+272\right){x}+497a^{2}+955a-1189$
55.1-a2 55.1-a 3.3.1825.1 \( 5 \cdot 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $11.48042286$ 3.224836468 \( \frac{12753842239372040877}{831875} a^{2} - \frac{48225896996235685519}{831875} a + \frac{32099167947172480586}{831875} \) \( \bigl[a^{2} - 6\) , \( -a - 1\) , \( a + 1\) , \( -329 a^{2} - 486 a + 677\) , \( -95993 a^{2} - 185350 a + 231171\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-329a^{2}-486a+677\right){x}-95993a^{2}-185350a+231171$
55.1-a3 55.1-a 3.3.1825.1 \( 5 \cdot 11 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $45.92169144$ 3.224836468 \( \frac{38401441560864}{44289025} a^{2} - \frac{143054085407499}{44289025} a + \frac{95412829327063}{44289025} \) \( \bigl[a^{2} - 6\) , \( -a - 1\) , \( a + 1\) , \( -994 a^{2} - 1896 a + 2387\) , \( -40006 a^{2} - 76786 a + 95948\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-994a^{2}-1896a+2387\right){x}-40006a^{2}-76786a+95948$
55.1-a4 55.1-a 3.3.1825.1 \( 5 \cdot 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $5.740211430$ 3.224836468 \( \frac{17152936432430680778629}{15692141883605} a^{2} + \frac{6583602216565772008917}{3138428376721} a - \frac{8226561740559112701822}{3138428376721} \) \( \bigl[a^{2} - 6\) , \( -a - 1\) , \( a + 1\) , \( -15819 a^{2} - 30346 a + 37937\) , \( -2609091 a^{2} - 5007086 a + 6256633\bigr] \) ${y}^2+\left(a^{2}-6\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-15819a^{2}-30346a+37937\right){x}-2609091a^{2}-5007086a+6256633$
55.1-b1 55.1-b 3.3.1825.1 \( 5 \cdot 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $146.3705383$ 3.426275145 \( -\frac{86056}{6655} a^{2} + \frac{1570644}{6655} a + \frac{10210811}{6655} \) \( \bigl[a^{2} + a - 5\) , \( -a^{2} + 5\) , \( a + 1\) , \( -3 a^{2} - a + 23\) , \( -3 a^{2} - 2 a + 16\bigr] \) ${y}^2+\left(a^{2}+a-5\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+5\right){x}^{2}+\left(-3a^{2}-a+23\right){x}-3a^{2}-2a+16$
55.1-b2 55.1-b 3.3.1825.1 \( 5 \cdot 11 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $146.3705383$ 3.426275145 \( -\frac{296729465242}{8857805} a^{2} + \frac{144963398044}{8857805} a + \frac{545956197079}{1771561} \) \( \bigl[a^{2} + a - 5\) , \( -a^{2} + 5\) , \( a + 1\) , \( -8 a^{2} - 11 a + 33\) , \( 5 a^{2} + 12 a - 6\bigr] \) ${y}^2+\left(a^{2}+a-5\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a^{2}+5\right){x}^{2}+\left(-8a^{2}-11a+33\right){x}+5a^{2}+12a-6$
55.1-c1 55.1-c 3.3.1825.1 \( 5 \cdot 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.504313358$ $58.02562122$ 6.164975369 \( -\frac{296729465242}{8857805} a^{2} + \frac{144963398044}{8857805} a + \frac{545956197079}{1771561} \) \( \bigl[a + 1\) , \( a^{2} - a - 6\) , \( 1\) , \( 16 a^{2} - 7 a - 133\) , \( 51 a^{2} - 6 a - 406\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(16a^{2}-7a-133\right){x}+51a^{2}-6a-406$
55.1-c2 55.1-c 3.3.1825.1 \( 5 \cdot 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.008626716$ $116.0512424$ 6.164975369 \( -\frac{86056}{6655} a^{2} + \frac{1570644}{6655} a + \frac{10210811}{6655} \) \( \bigl[a + 1\) , \( a^{2} - a - 6\) , \( 1\) , \( a^{2} - 2 a - 3\) , \( -2 a^{2} - a + 18\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(a^{2}-a-6\right){x}^{2}+\left(a^{2}-2a-3\right){x}-2a^{2}-a+18$
55.1-d1 55.1-d 3.3.1825.1 \( 5 \cdot 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.482586566$ $22.88309867$ 5.360523849 \( -\frac{155241403769}{6655} a^{2} + \frac{4279876738}{1331} a + \frac{252074062995}{1331} \) \( \bigl[a^{2} - 5\) , \( -a^{2} - a + 7\) , \( a^{2} + a - 5\) , \( -33 a^{2} - 58 a + 99\) , \( 67 a^{2} + 136 a - 138\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}+\left(-a^{2}-a+7\right){x}^{2}+\left(-33a^{2}-58a+99\right){x}+67a^{2}+136a-138$
55.1-d2 55.1-d 3.3.1825.1 \( 5 \cdot 11 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.482586566$ $1.430193667$ 5.360523849 \( \frac{12753842239372040877}{831875} a^{2} - \frac{48225896996235685519}{831875} a + \frac{32099167947172480586}{831875} \) \( \bigl[a^{2} - 5\) , \( -a^{2} - a + 7\) , \( a^{2} + a - 5\) , \( -88 a^{2} - 153 a + 224\) , \( -13618 a^{2} - 26089 a + 32652\bigr] \) ${y}^2+\left(a^{2}-5\right){x}{y}+\left(a^{2}+a-5\right){y}={x}^{3}+\left(-a^{2}-a+7\right){x}^{2}+\left(-88a^{2}-153a+224\right){x}-13618a^{2}-26089a+32652$
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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.