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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

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Results (31 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
16250.5-a1 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.474091777$ $0.192856619$ 2.274306853 \( -\frac{1411302663595036}{34328125} a - \frac{1774751413484333}{137312500} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( -4038 i - 5513\) , \( 174937 i + 124500\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(-4038i-5513\right){x}+174937i+124500$
16250.5-a2 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.491363925$ $0.578569857$ 2.274306853 \( -\frac{171697}{6500} a + \frac{2279159}{104000} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( -38 i - 13\) , \( 437 i + 500\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(-38i-13\right){x}+437i+500$
16250.5-a3 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $5.896367111$ $0.048214154$ 2.274306853 \( \frac{94290382838862669189021}{261902809143066406250} a + \frac{23228384730714798359947}{261902809143066406250} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( 11837 i + 3612\) , \( 1029062 i + 473125\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(11837i+3612\right){x}+1029062i+473125$
16250.5-a4 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.965455703$ $0.144642464$ 2.274306853 \( -\frac{20122730162024161}{27891601562500} a + \frac{104798752060117927}{27891601562500} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( 2712 i + 238\) , \( 21312 i + 34250\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(2712i+238\right){x}+21312i+34250$
16250.5-a5 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $2.948183555$ $0.096428309$ 2.274306853 \( -\frac{12415547946147007137}{2356840332031250} a + \frac{5474429230691529908}{1178420166015625} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( -4288 i - 5512\) , \( -158938 i - 129750\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(-4288i-5512\right){x}-158938i-129750$
16250.5-a6 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $5.896367111$ $0.048214154$ 2.274306853 \( \frac{4240925829815707588031}{728065160077531250} a + \frac{3613304062782124177817}{728065160077531250} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( -24413 i - 14637\) , \( 1730187 i - 122375\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(-24413i-14637\right){x}+1730187i-122375$
16250.5-a7 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $0.982727851$ $0.289284928$ 2.274306853 \( \frac{117057737097}{21125000} a + \frac{49160487287}{2640625} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( 962 i - 12\) , \( -8438 i - 7500\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(962i-12\right){x}-8438i-7500$
16250.5-a8 16250.5-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.965455703$ $0.144642464$ 2.274306853 \( \frac{4023422266102893}{20312500} a + \frac{5856979210600901}{20312500} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( 15212 i - 263\) , \( 530187 i + 497250\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(15212i-263\right){x}+530187i+497250$
16250.5-b1 16250.5-b \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.058724799$ $1.742847925$ 2.456361493 \( -\frac{2456215}{676} a + \frac{821220}{169} \) \( \bigl[1\) , \( i\) , \( 0\) , \( -4 i + 20\) , \( 36 i + 16\bigr] \) ${y}^2+{x}{y}={x}^{3}+i{x}^{2}+\left(-4i+20\right){x}+36i+16$
16250.5-c1 16250.5-c \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.677761663$ 1.355523326 \( \frac{1736989}{208} a + \frac{2118627}{208} \) \( \bigl[1\) , \( i + 1\) , \( 1\) , \( -145 i + 70\) , \( 12 i - 674\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(-145i+70\right){x}+12i-674$
16250.5-d1 16250.5-d \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.140596485$ $2.113453741$ 2.377153349 \( -\frac{2124209}{6500} a - \frac{5592087}{6500} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( 2 i - 8\) , \( -8 i + 10\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(2i-8\right){x}-8i+10$
16250.5-d2 16250.5-d \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.421789456$ $0.704484580$ 2.377153349 \( \frac{1498457535463}{8582031250} a + \frac{5584902421359}{8582031250} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( -23 i + 67\) , \( 177 i - 195\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(-23i+67\right){x}+177i-195$
16250.5-e1 16250.5-e \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.192247496$ 1.730227465 \( \frac{57371821008205}{42417997492} a - \frac{54181111298935}{42417997492} \) \( \bigl[1\) , \( i - 1\) , \( i\) , \( -251 i + 1216\) , \( 22748 i + 2208\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(-251i+1216\right){x}+22748i+2208$
16250.5-e2 16250.5-e \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $0.576742488$ 1.730227465 \( -\frac{317111135}{4394} a + \frac{950272195}{4394} \) \( \bigl[1\) , \( i - 1\) , \( i\) , \( 374 i - 34\) , \( 2123 i + 1583\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(374i-34\right){x}+2123i+1583$
16250.5-f1 16250.5-f \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.826121904$ $0.349267308$ 2.551218730 \( \frac{7896854157}{2970344} a + \frac{4573167341}{2970344} \) \( \bigl[1\) , \( -i + 1\) , \( i\) , \( -418 i + 133\) , \( -137 i - 3361\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}+\left(-i+1\right){x}^{2}+\left(-418i+133\right){x}-137i-3361$
16250.5-f2 16250.5-f \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.365224380$ $1.746336542$ 2.551218730 \( -\frac{74877}{26} a + \frac{83939}{26} \) \( \bigl[i\) , \( i - 1\) , \( 1\) , \( 7 i - 17\) , \( 12 i - 14\bigr] \) ${y}^2+i{x}{y}+{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(7i-17\right){x}+12i-14$
16250.5-g1 16250.5-g \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.341683782$ 2.733470263 \( -\frac{353750760581}{66015625} a - \frac{156546352109}{132031250} \) \( \bigl[i\) , \( i - 1\) , \( i + 1\) , \( -493 i + 171\) , \( -1726 i + 4480\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}+\left(i-1\right){x}^{2}+\left(-493i+171\right){x}-1726i+4480$
16250.5-g2 16250.5-g \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.683367565$ 2.733470263 \( \frac{5423261}{8125} a - \frac{19770367}{32500} \) \( \bigl[1\) , \( -i + 1\) , \( i + 1\) , \( 7 i - 80\) , \( -25 i - 480\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+\left(-i+1\right){x}^{2}+\left(7i-80\right){x}-25i-480$
16250.5-h1 16250.5-h \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.011864458$ $0.939702506$ 4.548817186 \( -\frac{19040273}{33280} a - \frac{28339689}{33280} \) \( \bigl[i\) , \( -i - 1\) , \( 0\) , \( 30 i + 33\) , \( 88 i - 145\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(30i+33\right){x}+88i-145$
16250.5-i1 16250.5-i \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.047907620$ $3.388808315$ 4.545792784 \( \frac{1736989}{208} a + \frac{2118627}{208} \) \( \bigl[1\) , \( -i\) , \( 1\) , \( -6 i + 2\) , \( -i - 8\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}-i{x}^{2}+\left(-6i+2\right){x}-i-8$
16250.5-j1 16250.5-j \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.054785322$ $1.742847925$ 4.583159334 \( -\frac{2456215}{676} a + \frac{821220}{169} \) \( \bigl[i\) , \( i\) , \( 1\) , \( -19 i - 10\) , \( -34 i + 5\bigr] \) ${y}^2+i{x}{y}+{y}={x}^{3}+i{x}^{2}+\left(-19i-10\right){x}-34i+5$
16250.5-k1 16250.5-k \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.961237480$ 2.883712442 \( \frac{57371821008205}{42417997492} a - \frac{54181111298935}{42417997492} \) \( \bigl[1\) , \( -i - 1\) , \( i + 1\) , \( -10 i + 48\) , \( 164 i + 4\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(-10i+48\right){x}+164i+4$
16250.5-k2 16250.5-k \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $2.883712442$ 2.883712442 \( -\frac{317111135}{4394} a + \frac{950272195}{4394} \) \( \bigl[1\) , \( -i - 1\) , \( i + 1\) , \( 15 i - 2\) , \( 14 i + 19\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(15i-2\right){x}+14i+19$
16250.5-l1 16250.5-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.192145277$ 3.458615002 \( \frac{276861163011391}{13000000000} a - \frac{33515586556057}{812500000} \) \( \bigl[i\) , \( i + 1\) , \( 0\) , \( 2238 i - 1259\) , \( -50752 i - 1489\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(2238i-1259\right){x}-50752i-1489$
16250.5-l2 16250.5-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.576435833$ 3.458615002 \( -\frac{37525044319}{2197000} a - \frac{7169596274}{274625} \) \( \bigl[i\) , \( i + 1\) , \( 0\) , \( 238 i + 116\) , \( 248 i + 1636\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(238i+116\right){x}+248i+1636$
16250.5-l3 16250.5-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.288217916$ 3.458615002 \( -\frac{133816114442969}{301675562500} a - \frac{19082395919017}{301675562500} \) \( \bigl[i\) , \( i + 1\) , \( 0\) , \( -12 i + 366\) , \( 4498 i + 3386\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(-12i+366\right){x}+4498i+3386$
16250.5-l4 16250.5-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.096072638$ 3.458615002 \( \frac{8418015312387897223}{20629882812500000} a + \frac{2783266907131437289}{20629882812500000} \) \( \bigl[i\) , \( i + 1\) , \( 0\) , \( 238 i - 3259\) , \( -92752 i - 107489\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(238i-3259\right){x}-92752i-107489$
16250.5-l5 16250.5-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.729307501$ 3.458615002 \( -\frac{31409}{130} a + \frac{101344}{65} \) \( \bigl[i\) , \( i + 1\) , \( 0\) , \( -12 i - 9\) , \( -2 i + 11\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(-12i-9\right){x}-2i+11$
16250.5-l6 16250.5-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.864653750$ 3.458615002 \( -\frac{4406742137}{8450} a + \frac{1310300809}{8450} \) \( \bigl[i\) , \( i + 1\) , \( 0\) , \( -137 i - 134\) , \( 873 i + 386\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(-137i-134\right){x}+873i+386$
16250.5-m1 16250.5-m \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/5\Z$ $\mathrm{SU}(2)$ $1$ $1.746336542$ 3.492673084 \( \frac{7896854157}{2970344} a + \frac{4573167341}{2970344} \) \( \bigl[1\) , \( i\) , \( i\) , \( -17 i + 5\) , \( i - 20\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}+i{x}^{2}+\left(-17i+5\right){x}+i-20$
16250.5-m2 16250.5-m \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.746336542$ 3.492673084 \( -\frac{74877}{26} a + \frac{83939}{26} \) \( \bigl[i\) , \( -i - 1\) , \( 0\) , \( 15 i + 13\) , \( 3 i - 25\bigr] \) ${y}^2+i{x}{y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(15i+13\right){x}+3i-25$
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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.