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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
18.1-a1 18.1-a \(\Q(\sqrt{-447}) \) \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.401897495$ $4.041827279$ 2.144026930 \( -\frac{14271}{32} a + \frac{402735}{32} \) \( \bigl[a + 1\) , \( 0\) , \( 1\) , \( 97 a - 974\) , \( -3384 a + 16864\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^3+\left(97a-974\right){x}-3384a+16864$
18.1-b1 18.1-b \(\Q(\sqrt{-447}) \) \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $4.041827279$ 3.823437407 \( -\frac{14271}{32} a + \frac{402735}{32} \) \( \bigl[a + 1\) , \( 0\) , \( 0\) , \( -12 a + 231\) , \( 42 a - 615\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^3+\left(-12a+231\right){x}+42a-615$
18.2-a1 18.2-a \(\Q(\sqrt{-447}) \) \( 2 \cdot 3^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.401897495$ $4.041827279$ 2.144026930 \( \frac{14271}{32} a + \frac{24279}{2} \) \( \bigl[a\) , \( -a + 1\) , \( 1\) , \( -98 a - 876\) , \( 3384 a + 13480\bigr] \) ${y}^2+a{x}{y}+{y}={x}^3+\left(-a+1\right){x}^2+\left(-98a-876\right){x}+3384a+13480$
18.2-b1 18.2-b \(\Q(\sqrt{-447}) \) \( 2 \cdot 3^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $4.041827279$ 3.823437407 \( \frac{14271}{32} a + \frac{24279}{2} \) \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( 12 a + 219\) , \( -42 a - 573\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(-a+1\right){x}^2+\left(12a+219\right){x}-42a-573$
28.2-a1 28.2-a \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.794065895$ $2.245498820$ 3.036114276 \( -\frac{56081100407}{40353607} a + \frac{18561146736}{5764801} \) \( \bigl[0\) , \( -a\) , \( 0\) , \( 5 a - 5\) , \( -5 a + 1\bigr] \) ${y}^2={x}^3-a{x}^2+\left(5a-5\right){x}-5a+1$
28.2-b1 28.2-b \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.093156448$ $2.245498820$ 12.53906478 \( -\frac{56081100407}{40353607} a + \frac{18561146736}{5764801} \) \( \bigl[a\) , \( a - 1\) , \( a\) , \( 490 a + 286\) , \( -13486 a - 141767\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^3+\left(a-1\right){x}^2+\left(490a+286\right){x}-13486a-141767$
28.5-a1 28.5-a \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.794065895$ $2.245498820$ 3.036114276 \( \frac{56081100407}{40353607} a + \frac{73846926745}{40353607} \) \( \bigl[0\) , \( a - 1\) , \( 0\) , \( -5 a\) , \( 5 a - 4\bigr] \) ${y}^2={x}^3+\left(a-1\right){x}^2-5a{x}+5a-4$
28.5-b1 28.5-b \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.093156448$ $2.245498820$ 12.53906478 \( \frac{56081100407}{40353607} a + \frac{73846926745}{40353607} \) \( \bigl[a + 1\) , \( a\) , \( a + 1\) , \( -547 a + 720\) , \( 13715 a - 97181\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+a{x}^2+\left(-547a+720\right){x}+13715a-97181$
32.2-a1 32.2-a \(\Q(\sqrt{-447}) \) \( 2^{5} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $3.846256139$ 1.455373382 \( \frac{59319}{32} \) \( \bigl[0\) , \( a + 1\) , \( 0\) , \( a - 24\) , \( -12\bigr] \) ${y}^2={x}^3+\left(a+1\right){x}^2+\left(a-24\right){x}-12$
32.2-b1 32.2-b \(\Q(\sqrt{-447}) \) \( 2^{5} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.072790309$ 1.623719695 \( \frac{163433143125}{2147483648} a + \frac{3497463430875}{2147483648} \) \( \bigl[a\) , \( -1\) , \( 0\) , \( -2 a + 248\) , \( -10 a - 560\bigr] \) ${y}^2+a{x}{y}={x}^3-{x}^2+\left(-2a+248\right){x}-10a-560$
32.2-b2 32.2-b \(\Q(\sqrt{-447}) \) \( 2^{5} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.072790309$ 1.623719695 \( -\frac{163433143125}{2147483648} a + \frac{228806035875}{134217728} \) \( \bigl[a\) , \( -1\) , \( 0\) , \( -3272 a + 21368\) , \( 142480 a - 1867920\bigr] \) ${y}^2+a{x}{y}={x}^3-{x}^2+\left(-3272a+21368\right){x}+142480a-1867920$
32.2-c1 32.2-c \(\Q(\sqrt{-447}) \) \( 2^{5} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.253942390$ $3.846256139$ 9.124771894 \( \frac{59319}{32} \) \( \bigl[a\) , \( a\) , \( a\) , \( 36 a + 1221\) , \( -285 a - 8854\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^3+a{x}^2+\left(36a+1221\right){x}-285a-8854$
32.2-d1 32.2-d \(\Q(\sqrt{-447}) \) \( 2^{5} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.072790309$ 9.362802331 \( \frac{163433143125}{2147483648} a + \frac{3497463430875}{2147483648} \) \( \bigl[a\) , \( -a + 1\) , \( 0\) , \( 39 a - 48\) , \( -129 a + 1060\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(-a+1\right){x}^2+\left(39a-48\right){x}-129a+1060$
32.2-d2 32.2-d \(\Q(\sqrt{-447}) \) \( 2^{5} \) $0 \le r \le 1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.072790309$ 9.362802331 \( -\frac{163433143125}{2147483648} a + \frac{228806035875}{134217728} \) \( \bigl[a\) , \( a\) , \( a\) , \( 317 a - 3371\) , \( 3793 a + 34506\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^3+a{x}^2+\left(317a-3371\right){x}+3793a+34506$
32.5-a1 32.5-a \(\Q(\sqrt{-447}) \) \( 2^{5} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.072790309$ 1.623719695 \( \frac{163433143125}{2147483648} a + \frac{3497463430875}{2147483648} \) \( \bigl[a + 1\) , \( -a - 1\) , \( 0\) , \( 3272 a + 18096\) , \( -142480 a - 1725440\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^3+\left(-a-1\right){x}^2+\left(3272a+18096\right){x}-142480a-1725440$
32.5-a2 32.5-a \(\Q(\sqrt{-447}) \) \( 2^{5} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.072790309$ 1.623719695 \( -\frac{163433143125}{2147483648} a + \frac{228806035875}{134217728} \) \( \bigl[a + 1\) , \( -a - 1\) , \( 0\) , \( 2 a + 246\) , \( 10 a - 570\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^3+\left(-a-1\right){x}^2+\left(2a+246\right){x}+10a-570$
32.5-b1 32.5-b \(\Q(\sqrt{-447}) \) \( 2^{5} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $3.846256139$ 1.455373382 \( \frac{59319}{32} \) \( \bigl[0\) , \( -a - 1\) , \( 0\) , \( a - 24\) , \( 12\bigr] \) ${y}^2={x}^3+\left(-a-1\right){x}^2+\left(a-24\right){x}+12$
32.5-c1 32.5-c \(\Q(\sqrt{-447}) \) \( 2^{5} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.744034533$ $1.072790309$ 9.362802331 \( \frac{163433143125}{2147483648} a + \frac{3497463430875}{2147483648} \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( -372 a - 3110\) , \( -7220 a + 76883\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(a+1\right){x}^2+\left(-372a-3110\right){x}-7220a+76883$
32.5-c2 32.5-c \(\Q(\sqrt{-447}) \) \( 2^{5} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $23.06507054$ $1.072790309$ 9.362802331 \( -\frac{163433143125}{2147483648} a + \frac{228806035875}{134217728} \) \( \bigl[a + 1\) , \( 0\) , \( 0\) , \( -39 a - 9\) , \( 129 a + 931\bigr] \) ${y}^2+\left(a+1\right){x}{y}={x}^3+\left(-39a-9\right){x}+129a+931$
32.5-d1 32.5-d \(\Q(\sqrt{-447}) \) \( 2^{5} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.253942390$ $3.846256139$ 9.124771894 \( \frac{59319}{32} \) \( \bigl[a + 1\) , \( a + 1\) , \( a + 1\) , \( -91 a + 1201\) , \( 1450 a - 2027\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(a+1\right){x}^2+\left(-91a+1201\right){x}+1450a-2027$
48.2-a1 48.2-a \(\Q(\sqrt{-447}) \) \( 2^{4} \cdot 3 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.020698423$ $6.620467287$ 5.113900913 \( \frac{1373}{6} a - \frac{40664}{3} \) \( \bigl[a\) , \( -a + 1\) , \( a\) , \( 13 a + 263\) , \( -55 a - 357\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^3+\left(-a+1\right){x}^2+\left(13a+263\right){x}-55a-357$
48.2-b1 48.2-b \(\Q(\sqrt{-447}) \) \( 2^{4} \cdot 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $6.620467287$ 11.27294487 \( \frac{1373}{6} a - \frac{40664}{3} \) \( \bigl[a\) , \( a + 1\) , \( 0\) , \( -22 a + 183\) , \( 88 a - 197\bigr] \) ${y}^2+a{x}{y}={x}^3+\left(a+1\right){x}^2+\left(-22a+183\right){x}+88a-197$
48.4-a1 48.4-a \(\Q(\sqrt{-447}) \) \( 2^{4} \cdot 3 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.020698423$ $6.620467287$ 5.113900913 \( -\frac{1373}{6} a - \frac{79955}{6} \) \( \bigl[a + 1\) , \( 0\) , \( a + 1\) , \( -15 a + 276\) , \( 54 a - 412\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(-15a+276\right){x}+54a-412$
48.4-b1 48.4-b \(\Q(\sqrt{-447}) \) \( 2^{4} \cdot 3 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $6.620467287$ 11.27294487 \( -\frac{1373}{6} a - \frac{79955}{6} \) \( \bigl[a + 1\) , \( a - 1\) , \( a + 1\) , \( -34 a + 215\) , \( 127 a + 235\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^3+\left(a-1\right){x}^2+\left(-34a+215\right){x}+127a+235$
75.1-a1 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.558925428$ 0.105745062 \( -\frac{147281603041}{215233605} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -110\) , \( -880\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2-110{x}-880$
75.1-a2 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $8.942806850$ 0.105745062 \( -\frac{1}{15} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( 0\) , \( 0\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2$
75.1-a3 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/8\Z$ $\mathrm{SU}(2)$ $1$ $1.117850856$ 0.105745062 \( \frac{4733169839}{3515625} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( 35\) , \( -28\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2+35{x}-28$
75.1-a4 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/2\Z\oplus\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $2.235701712$ 0.105745062 \( \frac{111284641}{50625} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -10\) , \( -10\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2-10{x}-10$
75.1-a5 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/2\Z\oplus\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $4.471403425$ 0.105745062 \( \frac{13997521}{225} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -5\) , \( 2\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2-5{x}+2$
75.1-a6 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.117850856$ 0.105745062 \( \frac{272223782641}{164025} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -135\) , \( -660\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2-135{x}-660$
75.1-a7 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $2.235701712$ 0.105745062 \( \frac{56667352321}{15} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -80\) , \( 242\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2-80{x}+242$
75.1-a8 75.1-a \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.558925428$ 0.105745062 \( \frac{1114544804970241}{405} \) \( \bigl[1\) , \( 1\) , \( 1\) , \( -2160\) , \( -39540\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+{x}^2-2160{x}-39540$
75.1-b1 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.558925428$ 13.94448768 \( -\frac{147281603041}{215233605} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( -990\) , \( 22765\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2-990{x}+22765$
75.1-b2 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $8.942806850$ 13.94448768 \( -\frac{1}{15} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( 0\) , \( -5\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2-5$
75.1-b3 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.117850856$ 13.94448768 \( \frac{4733169839}{3515625} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( 315\) , \( 1066\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2+315{x}+1066$
75.1-b4 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.235701712$ 13.94448768 \( \frac{111284641}{50625} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( -90\) , \( 175\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2-90{x}+175$
75.1-b5 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4.471403425$ 13.94448768 \( \frac{13997521}{225} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( -45\) , \( -104\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2-45{x}-104$
75.1-b6 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.117850856$ 13.94448768 \( \frac{272223782641}{164025} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( -1215\) , \( 16600\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2-1215{x}+16600$
75.1-b7 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.235701712$ 13.94448768 \( \frac{56667352321}{15} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( -720\) , \( -7259\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2-720{x}-7259$
75.1-b8 75.1-b \(\Q(\sqrt{-447}) \) \( 3 \cdot 5^{2} \) $0 \le r \le 1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.558925428$ 13.94448768 \( \frac{1114544804970241}{405} \) \( \bigl[1\) , \( -1\) , \( 0\) , \( -19440\) , \( 1048135\bigr] \) ${y}^2+{x}{y}={x}^3-{x}^2-19440{x}+1048135$
81.1-a1 81.1-a \(\Q(\sqrt{-447}) \) \( 3^{4} \) $0 \le r \le 1$ $\mathsf{trivial}$ $-27$ $N(\mathrm{U}(1))$ $1$ $2.702876088$ 1.781817148 \( -12288000 \) \( \bigl[0\) , \( 0\) , \( 1\) , \( -270\) , \( -1708\bigr] \) ${y}^2+{y}={x}^3-270{x}-1708$
81.1-a2 81.1-a \(\Q(\sqrt{-447}) \) \( 3^{4} \) $0 \le r \le 1$ $\Z/3\Z$ $-27$ $N(\mathrm{U}(1))$ $1$ $2.702876088$ 1.781817148 \( -12288000 \) \( \bigl[0\) , \( 0\) , \( 1\) , \( -30\) , \( 63\bigr] \) ${y}^2+{y}={x}^3-30{x}+63$
81.1-a3 81.1-a \(\Q(\sqrt{-447}) \) \( 3^{4} \) $0 \le r \le 1$ $\Z/3\Z$ $-3$ $N(\mathrm{U}(1))$ $1$ $8.108628264$ 1.781817148 \( 0 \) \( \bigl[0\) , \( 0\) , \( 1\) , \( 0\) , \( -7\bigr] \) ${y}^2+{y}={x}^3-7$
81.1-a4 81.1-a \(\Q(\sqrt{-447}) \) \( 3^{4} \) $0 \le r \le 1$ $\Z/3\Z$ $-3$ $N(\mathrm{U}(1))$ $1$ $8.108628264$ 1.781817148 \( 0 \) \( \bigl[0\) , \( 0\) , \( 1\) , \( 0\) , \( 0\bigr] \) ${y}^2+{y}={x}^3$
84.3-a1 84.3-a \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 3 \cdot 7 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.072109768$ 1.217017247 \( -\frac{513976740875609}{740183506944} a - \frac{9377644369457815}{740183506944} \) \( \bigl[1\) , \( 0\) , \( a + 1\) , \( 148 a - 7879\) , \( 8643 a - 277062\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^3+\left(148a-7879\right){x}+8643a-277062$
84.3-a2 84.3-a \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 3 \cdot 7 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $3.216329305$ 1.217017247 \( -\frac{349747}{56448} a + \frac{301212601}{169344} \) \( \bigl[1\) , \( 0\) , \( a + 1\) , \( -17 a + 536\) , \( -63 a - 762\bigr] \) ${y}^2+{x}{y}+\left(a+1\right){y}={x}^3+\left(-17a+536\right){x}-63a-762$
84.3-b1 84.3-b \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 3 \cdot 7 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $0.670512910$ $1.072109768$ 3.808120290 \( -\frac{513976740875609}{740183506944} a - \frac{9377644369457815}{740183506944} \) \( \bigl[1\) , \( a - 1\) , \( 1\) , \( -2609 a + 58159\) , \( -444491 a - 3837647\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+\left(a-1\right){x}^2+\left(-2609a+58159\right){x}-444491a-3837647$
84.3-b2 84.3-b \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 3 \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.223504303$ $3.216329305$ 3.808120290 \( -\frac{349747}{56448} a + \frac{301212601}{169344} \) \( \bigl[1\) , \( a - 1\) , \( 1\) , \( 226 a - 3866\) , \( -3467 a - 167\bigr] \) ${y}^2+{x}{y}+{y}={x}^3+\left(a-1\right){x}^2+\left(226a-3866\right){x}-3467a-167$
84.4-a1 84.4-a \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 3 \cdot 7 \) $1$ $\Z/3\Z$ $\mathrm{SU}(2)$ $0.670512910$ $1.072109768$ 3.808120290 \( \frac{513976740875609}{740183506944} a - \frac{29439348542659}{2202927104} \) \( \bigl[1\) , \( -a\) , \( 1\) , \( 2609 a + 55550\) , \( 444491 a - 4282138\bigr] \) ${y}^2+{x}{y}+{y}={x}^3-a{x}^2+\left(2609a+55550\right){x}+444491a-4282138$
84.4-a2 84.4-a \(\Q(\sqrt{-447}) \) \( 2^{2} \cdot 3 \cdot 7 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.223504303$ $3.216329305$ 3.808120290 \( \frac{349747}{56448} a + \frac{1340015}{756} \) \( \bigl[1\) , \( -a\) , \( 1\) , \( -226 a - 3640\) , \( 3467 a - 3634\bigr] \) ${y}^2+{x}{y}+{y}={x}^3-a{x}^2+\left(-226a-3640\right){x}+3467a-3634$
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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.