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Results (48 matches)

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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
625.1-a1 625.1-a \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.691211587$ $9.930593711$ 2.995756926 \( \frac{56224}{5} a + 21877 \) \( \bigl[a\) , \( 1\) , \( a\) , \( -15 a - 28\) , \( -62 a - 112\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}+{x}^{2}+\left(-15a-28\right){x}-62a-112$
625.1-a2 625.1-a \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.382423174$ $2.482648427$ 2.995756926 \( \frac{15046148446}{25} a + \frac{5390405181}{5} \) \( \bigl[1\) , \( 1\) , \( 0\) , \( -280 a + 780\) , \( -350 a + 975\bigr] \) ${y}^2+{x}{y}={x}^{3}+{x}^{2}+\left(-280a+780\right){x}-350a+975$
625.1-b1 625.1-b \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $4.684105865$ $0.470844196$ 3.850208633 \( \frac{162783232}{5} a - \frac{454397952}{5} \) \( \bigl[0\) , \( -a\) , \( 1\) , \( 342 a - 965\) , \( 5472 a - 15284\bigr] \) ${y}^2+{y}={x}^{3}-a{x}^{2}+\left(342a-965\right){x}+5472a-15284$
625.1-b2 625.1-b \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.936821173$ $2.354220982$ 3.850208633 \( -\frac{729088}{3125} a + \frac{2019328}{3125} \) \( \bigl[0\) , \( a - 1\) , \( 1\) , \( -117 a + 327\) , \( 928 a - 2587\bigr] \) ${y}^2+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-117a+327\right){x}+928a-2587$
625.1-c1 625.1-c \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $16.42661250$ 3.584580724 \( 0 \) \( \bigl[0\) , \( -a - 1\) , \( 1\) , \( a + 2\) , \( -a - 2\bigr] \) ${y}^2+{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(a+2\right){x}-a-2$
625.1-c2 625.1-c \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $16.42661250$ 3.584580724 \( 0 \) \( \bigl[0\) , \( a + 1\) , \( 1\) , \( a + 2\) , \( a - 1\bigr] \) ${y}^2+{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(a+2\right){x}+a-1$
625.1-d1 625.1-d \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.106273201$ $7.704201446$ 2.858654902 \( -\frac{162783232}{5} a - 58322944 \) \( \bigl[0\) , \( -1\) , \( 1\) , \( 50 a - 208\) , \( -475 a + 1568\bigr] \) ${y}^2+{y}={x}^{3}-{x}^{2}+\left(50a-208\right){x}-475a+1568$
625.1-d2 625.1-d \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.531366008$ $1.540840289$ 2.858654902 \( \frac{729088}{3125} a + \frac{258048}{625} \) \( \bigl[0\) , \( -a + 1\) , \( 1\) , \( 8 a + 2\) , \( 97 a - 251\bigr] \) ${y}^2+{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(8a+2\right){x}+97a-251$
625.1-e1 625.1-e \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.933393352$ 3.666296305 \( -\frac{4659111497728}{244140625} a - \frac{8015912824832}{244140625} \) \( \bigl[0\) , \( -1\) , \( a\) , \( -45 a - 8\) , \( -144 a - 158\bigr] \) ${y}^2+a{y}={x}^{3}-{x}^{2}+\left(-45a-8\right){x}-144a-158$
625.1-e2 625.1-e \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $8.400540170$ 3.666296305 \( \frac{6279168}{625} a - \frac{16887808}{625} \) \( \bigl[0\) , \( -1\) , \( a\) , \( 5 a - 8\) , \( -9 a + 17\bigr] \) ${y}^2+a{y}={x}^{3}-{x}^{2}+\left(5a-8\right){x}-9a+17$
625.1-f1 625.1-f \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $4.684105865$ $0.470844196$ 3.850208633 \( -\frac{162783232}{5} a - 58322944 \) \( \bigl[0\) , \( a - 1\) , \( 1\) , \( -342 a - 623\) , \( -5472 a - 9812\bigr] \) ${y}^2+{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-342a-623\right){x}-5472a-9812$
625.1-f2 625.1-f \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.936821173$ $2.354220982$ 3.850208633 \( \frac{729088}{3125} a + \frac{258048}{625} \) \( \bigl[0\) , \( -a\) , \( 1\) , \( 117 a + 210\) , \( -928 a - 1659\bigr] \) ${y}^2+{y}={x}^{3}-a{x}^{2}+\left(117a+210\right){x}-928a-1659$
625.1-g1 625.1-g \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.106273201$ $7.704201446$ 2.858654902 \( \frac{162783232}{5} a - \frac{454397952}{5} \) \( \bigl[0\) , \( -1\) , \( 1\) , \( -50 a - 158\) , \( 475 a + 1093\bigr] \) ${y}^2+{y}={x}^{3}-{x}^{2}+\left(-50a-158\right){x}+475a+1093$
625.1-g2 625.1-g \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.531366008$ $1.540840289$ 2.858654902 \( -\frac{729088}{3125} a + \frac{2019328}{3125} \) \( \bigl[0\) , \( a\) , \( 1\) , \( -8 a + 10\) , \( -97 a - 154\bigr] \) ${y}^2+{y}={x}^{3}+a{x}^{2}+\left(-8a+10\right){x}-97a-154$
625.1-h1 625.1-h \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.073335063$ $16.90647484$ 1.082218806 \( \frac{56224}{5} a + 21877 \) \( \bigl[a + 1\) , \( a - 1\) , \( a\) , \( 3 a - 7\) , \( -2 a + 6\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(3a-7\right){x}-2a+6$
625.1-h2 625.1-h \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.146670126$ $8.453237420$ 1.082218806 \( \frac{15046148446}{25} a + \frac{5390405181}{5} \) \( \bigl[a + 1\) , \( a - 1\) , \( a\) , \( -22 a + 18\) , \( 23 a - 19\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(-22a+18\right){x}+23a-19$
625.1-i1 625.1-i \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $2.967381797$ 1.295071590 \( -\frac{4659111497728}{244140625} a - \frac{8015912824832}{244140625} \) \( \bigl[0\) , \( -a\) , \( a\) , \( -363 a + 1010\) , \( 2783 a - 7760\bigr] \) ${y}^2+a{y}={x}^{3}-a{x}^{2}+\left(-363a+1010\right){x}+2783a-7760$
625.1-i2 625.1-i \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $2.967381797$ 1.295071590 \( \frac{6279168}{625} a - \frac{16887808}{625} \) \( \bigl[0\) , \( a - 1\) , \( a\) , \( 28 a + 52\) , \( 119 a + 212\bigr] \) ${y}^2+a{y}={x}^{3}+\left(a-1\right){x}^{2}+\left(28a+52\right){x}+119a+212$
625.1-j1 625.1-j \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $3.285322500$ 1.433832289 \( 0 \) \( \bigl[0\) , \( -a - 1\) , \( a + 1\) , \( a + 2\) , \( -213 a + 588\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(a+2\right){x}-213a+588$
625.1-j2 625.1-j \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $3.285322500$ 1.433832289 \( 0 \) \( \bigl[0\) , \( a + 1\) , \( a + 1\) , \( a + 2\) , \( 24 a + 34\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(a+1\right){x}^{2}+\left(a+2\right){x}+24a+34$
625.1-k1 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.389954337$ 1.361520203 \( -\frac{359104782699}{244140625} a - \frac{52148361654}{48828125} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a + 1\) , \( -525 a + 1330\) , \( -3211 a + 8322\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(-525a+1330\right){x}-3211a+8322$
625.1-k2 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.389954337$ 1.361520203 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[a\) , \( -1\) , \( a\) , \( 523 a + 807\) , \( 3210 a + 5112\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(523a+807\right){x}+3210a+5112$
625.1-k3 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.559817348$ 1.361520203 \( -\frac{118077162021}{15625} a + \frac{329617083726}{15625} \) \( \bigl[a\) , \( -1\) , \( a\) , \( -102 a - 318\) , \( 460 a + 237\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-102a-318\right){x}+460a+237$
625.1-k4 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $6.239269393$ 1.361520203 \( -\frac{22825881}{125} a + \frac{12909294}{25} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a + 1\) , \( 100 a - 295\) , \( -836 a + 2322\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(100a-295\right){x}-836a+2322$
625.1-k5 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.389954337$ 1.361520203 \( -\frac{32714515537919631}{125} a + \frac{91315629670496661}{125} \) \( \bigl[a\) , \( -1\) , \( a\) , \( -727 a - 3443\) , \( -25790 a - 84138\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-727a-3443\right){x}-25790a-84138$
625.1-k6 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $6.239269393$ 1.361520203 \( \frac{22825881}{125} a + \frac{41720589}{125} \) \( \bigl[a\) , \( -1\) , \( a\) , \( -102 a - 193\) , \( 835 a + 1487\bigr] \) ${y}^2+a{x}{y}+a{y}={x}^{3}-{x}^{2}+\left(-102a-193\right){x}+835a+1487$
625.1-k7 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.559817348$ 1.361520203 \( \frac{118077162021}{15625} a + \frac{42307984341}{3125} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a + 1\) , \( 100 a - 420\) , \( -461 a + 697\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(100a-420\right){x}-461a+697$
625.1-k8 625.1-k \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.389954337$ 1.361520203 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a + 1\) , \( 725 a - 4170\) , \( 25789 a - 109928\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(725a-4170\right){x}+25789a-109928$
625.1-l1 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.992306378$ 0.866156017 \( -\frac{359104782699}{244140625} a - \frac{52148361654}{48828125} \) \( \bigl[a\) , \( -1\) , \( a + 1\) , \( -665 a - 1093\) , \( 15322 a + 27318\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-665a-1093\right){x}+15322a+27318$
625.1-l2 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.992306378$ 0.866156017 \( \frac{359104782699}{244140625} a - \frac{619846590969}{244140625} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( 663 a - 1757\) , \( -15323 a + 42641\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(663a-1757\right){x}-15323a+42641$
625.1-l3 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.969225515$ 0.866156017 \( -\frac{118077162021}{15625} a + \frac{329617083726}{15625} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( 663 a - 1882\) , \( -14073 a + 39266\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(663a-1882\right){x}-14073a+39266$
625.1-l4 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.969225515$ 0.866156017 \( -\frac{22825881}{125} a + \frac{12909294}{25} \) \( \bigl[a\) , \( -1\) , \( a + 1\) , \( -40 a - 93\) , \( 197 a + 318\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-40a-93\right){x}+197a+318$
625.1-l5 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.969225515$ 0.866156017 \( -\frac{32714515537919631}{125} a + \frac{91315629670496661}{125} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( 10663 a - 30007\) , \( -910323 a + 2542391\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(10663a-30007\right){x}-910323a+2542391$
625.1-l6 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.969225515$ 0.866156017 \( \frac{22825881}{125} a + \frac{41720589}{125} \) \( \bigl[a + 1\) , \( -a - 1\) , \( a\) , \( 38 a - 132\) , \( -198 a + 516\bigr] \) ${y}^2+\left(a+1\right){x}{y}+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(38a-132\right){x}-198a+516$
625.1-l7 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.969225515$ 0.866156017 \( \frac{118077162021}{15625} a + \frac{42307984341}{3125} \) \( \bigl[a\) , \( -1\) , \( a + 1\) , \( -665 a - 1218\) , \( 14072 a + 25193\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-665a-1218\right){x}+14072a+25193$
625.1-l8 625.1-l \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.969225515$ 0.866156017 \( \frac{32714515537919631}{125} a + \frac{11720222826515406}{25} \) \( \bigl[a\) , \( -1\) , \( a + 1\) , \( -10665 a - 19343\) , \( 910322 a + 1632068\bigr] \) ${y}^2+a{x}{y}+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-10665a-19343\right){x}+910322a+1632068$
625.1-m1 625.1-m \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $8.400540170$ 3.666296305 \( -\frac{6279168}{625} a - \frac{2121728}{125} \) \( \bigl[0\) , \( -1\) , \( a + 1\) , \( -5 a - 3\) , \( 8 a + 8\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(-5a-3\right){x}+8a+8$
625.1-m2 625.1-m \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.933393352$ 3.666296305 \( \frac{4659111497728}{244140625} a - \frac{2535004864512}{48828125} \) \( \bigl[0\) , \( -1\) , \( a + 1\) , \( 45 a - 53\) , \( 143 a - 302\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}-{x}^{2}+\left(45a-53\right){x}+143a-302$
625.1-n1 625.1-n \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.382423174$ $2.482648427$ 2.995756926 \( -\frac{15046148446}{25} a + \frac{41998174351}{25} \) \( \bigl[1\) , \( 1\) , \( 0\) , \( 280 a + 500\) , \( 350 a + 625\bigr] \) ${y}^2+{x}{y}={x}^{3}+{x}^{2}+\left(280a+500\right){x}+350a+625$
625.1-n2 625.1-n \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.691211587$ $9.930593711$ 2.995756926 \( -\frac{56224}{5} a + \frac{165609}{5} \) \( \bigl[a + 1\) , \( -a + 1\) , \( a + 1\) , \( 13 a - 43\) , \( 61 a - 174\bigr] \) ${y}^2+\left(a+1\right){x}{y}+\left(a+1\right){y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(13a-43\right){x}+61a-174$
625.1-o1 625.1-o \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $2.967381797$ 1.295071590 \( -\frac{6279168}{625} a - \frac{2121728}{125} \) \( \bigl[0\) , \( -a\) , \( a + 1\) , \( -28 a + 80\) , \( -120 a + 331\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}-a{x}^{2}+\left(-28a+80\right){x}-120a+331$
625.1-o2 625.1-o \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $2.967381797$ 1.295071590 \( \frac{4659111497728}{244140625} a - \frac{2535004864512}{48828125} \) \( \bigl[0\) , \( a - 1\) , \( a + 1\) , \( 363 a + 647\) , \( -2784 a - 4977\bigr] \) ${y}^2+\left(a+1\right){y}={x}^{3}+\left(a-1\right){x}^{2}+\left(363a+647\right){x}-2784a-4977$
625.1-p1 625.1-p \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $3.285322500$ 2.150748434 \( 0 \) \( \bigl[0\) , \( -a - 1\) , \( 1\) , \( a + 2\) , \( 69 a - 192\bigr] \) ${y}^2+{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(a+2\right){x}+69a-192$
625.1-p2 625.1-p \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $3.285322500$ 2.150748434 \( 0 \) \( \bigl[0\) , \( a + 1\) , \( 1\) , \( a + 2\) , \( -69 a - 121\bigr] \) ${y}^2+{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(a+2\right){x}-69a-121$
625.1-q1 625.1-q \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $3.285322500$ 1.433832289 \( 0 \) \( \bigl[0\) , \( -a - 1\) , \( a\) , \( a + 2\) , \( -25 a + 57\bigr] \) ${y}^2+a{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(a+2\right){x}-25a+57$
625.1-q2 625.1-q \(\Q(\sqrt{21}) \) \( 5^{4} \) 0 $\mathsf{trivial}$ $-3$ $N(\mathrm{U}(1))$ $1$ $3.285322500$ 1.433832289 \( 0 \) \( \bigl[0\) , \( a + 1\) , \( a\) , \( a + 2\) , \( 212 a + 378\bigr] \) ${y}^2+a{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(a+2\right){x}+212a+378$
625.1-r1 625.1-r \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.146670126$ $8.453237420$ 1.082218806 \( -\frac{15046148446}{25} a + \frac{41998174351}{25} \) \( \bigl[a\) , \( a + 1\) , \( 0\) , \( 25 a - 3\) , \( -5 a + 118\bigr] \) ${y}^2+a{x}{y}={x}^{3}+\left(a+1\right){x}^{2}+\left(25a-3\right){x}-5a+118$
625.1-r2 625.1-r \(\Q(\sqrt{21}) \) \( 5^{4} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.073335063$ $16.90647484$ 1.082218806 \( -\frac{56224}{5} a + \frac{165609}{5} \) \( \bigl[a\) , \( a + 1\) , \( 0\) , \( -3\) , \( -5 a - 7\bigr] \) ${y}^2+a{x}{y}={x}^{3}+\left(a+1\right){x}^{2}-3{x}-5a-7$
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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.