The results below are complete, since the LMFDB contains all elliptic curves with conductor norm at most 100000 over imaginary quadratic fields with absolute discriminant 4

Note: The completeness Only modular elliptic curves are included

Refine search


Results (34 matches)

  displayed columns for results
Label Class Base field Conductor norm Rank Torsion CM Sato-Tate Regulator Period Leading coeff j-invariant Weierstrass coefficients Weierstrass equation
16640.4-a1 16640.4-a \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.096365333$ $0.864037653$ 1.998318637 \( -\frac{41546262094}{120670225} a + \frac{205320721442}{120670225} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -30 i + 55\) , \( i - 57\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(-30i+55\right){x}+i-57$
16640.4-a2 16640.4-a \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.192730666$ $1.728075306$ 1.998318637 \( \frac{904474088}{10985} a + \frac{641656096}{10985} \) \( \bigl[0\) , \( -i - 1\) , \( 0\) , \( -10 i + 35\) , \( -85 i - 51\bigr] \) ${y}^2={x}^{3}+\left(-i-1\right){x}^{2}+\left(-10i+35\right){x}-85i-51$
16640.4-b1 16640.4-b \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $0.851250463$ $0.619744181$ 3.165345130 \( -\frac{10359522503116}{3570125} a - \frac{4364617727362}{3570125} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( 90 i + 471\) , \( 4069 i - 993\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(90i+471\right){x}+4069i-993$
16640.4-b2 16640.4-b \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/4\Z$ $\mathrm{SU}(2)$ $0.851250463$ $0.619744181$ 3.165345130 \( \frac{2896194844812}{3173828125} a + \frac{3398200522034}{3173828125} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -70 i - 89\) , \( 357 i - 81\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(-70i-89\right){x}+357i-81$
16640.4-b3 16640.4-b \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $0.425625231$ $1.239488362$ 3.165345130 \( -\frac{3643553424}{2640625} a + \frac{4710369332}{2640625} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( 10 i + 31\) , \( 69 i + 7\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(10i+31\right){x}+69i+7$
16640.4-b4 16640.4-b \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.212812615$ $2.478976724$ 3.165345130 \( \frac{50931328}{1625} a + \frac{11807696}{1625} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( 10 i + 11\) , \( -3 i + 19\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(10i+11\right){x}-3i+19$
16640.4-c1 16640.4-c \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.457655221$ 1.728827610 \( -\frac{2662912}{65} a - \frac{16922944}{65} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -10 i + 1\) , \( 5 i - 7\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(-10i+1\right){x}+5i-7$
16640.4-c2 16640.4-c \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $1.728827610$ 1.728827610 \( -\frac{20996208}{8125} a - \frac{1102494856}{8125} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 22 i + 31\) , \( -51 i + 57\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(22i+31\right){x}-51i+57$
16640.4-c3 16640.4-c \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.457655221$ 1.728827610 \( \frac{631296}{4225} a + \frac{2516672}{4225} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 2 i + 1\) , \( -3 i - 1\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(2i+1\right){x}-3i-1$
16640.4-c4 16640.4-c \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/4\Z$ $\mathrm{SU}(2)$ $1$ $1.728827610$ 1.728827610 \( -\frac{110967056}{142805} a + \frac{597885848}{142805} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( -18 i - 9\) , \( -23 i + 9\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(-18i-9\right){x}-23i+9$
16640.4-d1 16640.4-d \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.180826758$ $2.127364321$ 3.077475156 \( -\frac{18805284}{4225} a - \frac{16444188}{4225} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 8 i + 11\) , \( 14 i - 16\bigr] \) ${y}^2={x}^{3}+\left(8i+11\right){x}+14i-16$
16640.4-d2 16640.4-d \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.361653517$ $4.254728642$ 3.077475156 \( \frac{23328}{65} a - \frac{74304}{65} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -2 i + 1\) , \( -2\bigr] \) ${y}^2={x}^{3}+\left(-2i+1\right){x}-2$
16640.4-e1 16640.4-e \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.098862373$ $1.366696258$ 3.242756070 \( \frac{510916}{2640625} a + \frac{1029212}{2640625} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( -2 i - 1\) , \( 21 i - 47\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(-2i-1\right){x}+21i-47$
16640.4-e2 16640.4-e \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.197724747$ $2.733392517$ 3.242756070 \( -\frac{2652512}{1625} a + \frac{67882816}{1625} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 8 i + 9\) , \( 7 i - 21\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(8i+9\right){x}+7i-21$
16640.4-f1 16640.4-f \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.470086924$ $3.479679085$ 3.271503281 \( \frac{3752}{65} a - \frac{7136}{65} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( -2 i - 1\) , \( -3 i + 1\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(-2i-1\right){x}-3i+1$
16640.4-f2 16640.4-f \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.235043462$ $1.739839542$ 3.271503281 \( \frac{109815566}{4225} a + \frac{7969262}{4225} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 18 i - 21\) , \( -63 i + 29\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(18i-21\right){x}-63i+29$
16640.4-g1 16640.4-g \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.240181597$ 2.161634376 \( -\frac{276861163011391}{13000000000} a - \frac{33515586556057}{812500000} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 1432 i + 806\) , \( -258 i + 25788\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(1432i+806\right){x}-258i+25788$
16640.4-g2 16640.4-g \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.720544792$ 2.161634376 \( \frac{37525044319}{2197000} a - \frac{7169596274}{274625} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 152 i - 74\) , \( -914 i - 52\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(152i-74\right){x}-914i-52$
16640.4-g3 16640.4-g \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.360272396$ 2.161634376 \( \frac{133816114442969}{301675562500} a - \frac{19082395919017}{301675562500} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -8 i - 234\) , \( -1682 i - 2164\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(-8i-234\right){x}-1682i-2164$
16640.4-g4 16640.4-g \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.120090798$ 2.161634376 \( -\frac{8418015312387897223}{20629882812500000} a + \frac{2783266907131437289}{20629882812500000} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 152 i + 2086\) , \( 54526 i + 46268\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(152i+2086\right){x}+54526i+46268$
16640.4-g5 16640.4-g \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.161634376$ 2.161634376 \( \frac{31409}{130} a + \frac{101344}{65} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -8 i + 6\) , \( -2 i - 4\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(-8i+6\right){x}-2i-4$
16640.4-g6 16640.4-g \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.080817188$ 2.161634376 \( \frac{4406742137}{8450} a + \frac{1310300809}{8450} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -88 i + 86\) , \( -162 i - 516\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(-88i+86\right){x}-162i-516$
16640.4-h1 16640.4-h \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $0.895037150$ $1.900165055$ 3.401436633 \( -\frac{8646624}{4225} a - \frac{66027268}{4225} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -2 i - 21\) , \( -15 i - 45\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(-2i-21\right){x}-15i-45$
16640.4-h2 16640.4-h \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.895037150$ $0.475041263$ 3.401436633 \( \frac{94078100761841}{20393268025} a - \frac{11284537597913}{20393268025} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -2 i + 259\) , \( -1583 i + 347\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(-2i+259\right){x}-1583i+347$
16640.4-h3 16640.4-h \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1.790074301$ $0.950082527$ 3.401436633 \( -\frac{15461171586}{17850625} a - \frac{9080741152}{17850625} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( 38 i - 21\) , \( -151 i - 77\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(38i-21\right){x}-151i-77$
16640.4-h4 16640.4-h \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.447518575$ $3.800330110$ 3.401436633 \( \frac{75008}{65} a - \frac{29104}{65} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -2 i - 1\) , \( i - 1\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(-2i-1\right){x}+i-1$
16640.4-h5 16640.4-h \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.895037150$ $0.475041263$ 3.401436633 \( \frac{143087370512191}{66015625} a + \frac{29292377558137}{66015625} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( 718 i - 301\) , \( -8063 i - 1909\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(718i-301\right){x}-8063i-1909$
16640.4-h6 16640.4-h \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.790074301$ $0.950082527$ 3.401436633 \( \frac{4355686402}{65} a + \frac{17124606704}{65} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -42 i - 341\) , \( -583 i - 2509\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+\left(-42i-341\right){x}-583i-2509$
16640.4-i1 16640.4-i \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.205322982$ 2.410645965 \( -\frac{9109431098}{8125} a - \frac{703641086}{8125} \) \( \bigl[0\) , \( i\) , \( 0\) , \( 108 i + 20\) , \( -208 i - 424\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(108i+20\right){x}-208i-424$
16640.4-i2 16640.4-i \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.410645965$ 2.410645965 \( -\frac{2630664}{4225} a + \frac{6709952}{4225} \) \( \bigl[0\) , \( i\) , \( 0\) , \( 8 i\) , \( -8\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+8i{x}-8$
16640.4-i3 16640.4-i \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $4.821291931$ 2.410645965 \( \frac{42112}{65} a + \frac{108224}{65} \) \( \bigl[0\) , \( i\) , \( 0\) , \( -2 i\) , \( 0\bigr] \) ${y}^2={x}^{3}+i{x}^{2}-2i{x}$
16640.4-i4 16640.4-i \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.205322982$ 2.410645965 \( \frac{9896441706}{142805} a + \frac{2615329822}{142805} \) \( \bigl[0\) , \( i\) , \( 0\) , \( 68 i - 20\) , \( 208 i + 56\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(68i-20\right){x}+208i+56$
16640.4-j1 16640.4-j \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.090845632$ 2.090845632 \( -\frac{109298}{1625} a + \frac{1963264}{1625} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 6 i + 7\) , \( -7 i - 7\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(6i+7\right){x}-7i-7$
16640.4-j2 16640.4-j \(\Q(\sqrt{-1}) \) \( 2^{8} \cdot 5 \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.045422816$ 2.090845632 \( \frac{321047281}{2640625} a + \frac{6395175767}{2640625} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( -34 i - 33\) , \( -63 i + 1\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+\left(-34i-33\right){x}-63i+1$
  displayed columns for results

  *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.