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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
16250.6-a1 16250.6-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.474091777$ $0.192856619$ 2.274306853 \( \frac{1411302663595036}{34328125} a - \frac{1774751413484333}{137312500} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( 4037 i - 5513\) , \( -174938 i + 124500\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(4037i-5513\right){x}-174938i+124500$
16250.6-a2 16250.6-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.491363925$ $0.578569857$ 2.274306853 \( \frac{171697}{6500} a + \frac{2279159}{104000} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( 37 i - 13\) , \( -438 i + 500\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(37i-13\right){x}-438i+500$
16250.6-a3 16250.6-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $5.896367111$ $0.048214154$ 2.274306853 \( -\frac{94290382838862669189021}{261902809143066406250} a + \frac{23228384730714798359947}{261902809143066406250} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( -11838 i + 3612\) , \( -1029063 i + 473125\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(-11838i+3612\right){x}-1029063i+473125$
16250.6-a4 16250.6-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.965455703$ $0.144642464$ 2.274306853 \( \frac{20122730162024161}{27891601562500} a + \frac{104798752060117927}{27891601562500} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( -2713 i + 238\) , \( -21313 i + 34250\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(-2713i+238\right){x}-21313i+34250$
16250.6-a5 16250.6-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 \( \frac{12415547946147007137}{2356840332031250} a + \frac{5474429230691529908}{1178420166015625} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( 4287 i - 5512\) , \( 158937 i - 129750\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(4287i-5512\right){x}+158937i-129750$
16250.6-a6 16250.6-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $5.896367111$ $0.048214154$ 2.274306853 \( -\frac{4240925829815707588031}{728065160077531250} a + \frac{3613304062782124177817}{728065160077531250} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( 24412 i - 14637\) , \( -1730188 i - 122375\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(24412i-14637\right){x}-1730188i-122375$
16250.6-a7 16250.6-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 \( -\frac{117057737097}{21125000} a + \frac{49160487287}{2640625} \) \( \bigl[i\) , \( -1\) , \( i + 1\) , \( -963 i - 12\) , \( 8437 i - 7500\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}-{x}^{2}+\left(-963i-12\right){x}+8437i-7500$
16250.6-a8 16250.6-a \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.965455703$ $0.144642464$ 2.274306853 \( -\frac{4023422266102893}{20312500} a + \frac{5856979210600901}{20312500} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( -15213 i - 263\) , \( -530188 i + 497250\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(-15213i-263\right){x}-530188i+497250$
16250.6-b1 16250.6-b \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.058724799$ $1.742847925$ 2.456361493 \( \frac{2456215}{676} a + \frac{821220}{169} \) \( \bigl[1\) , \( -i\) , \( 0\) , \( 4 i + 20\) , \( -36 i + 16\bigr] \) ${y}^2+{x}{y}={x}^{3}-i{x}^{2}+\left(4i+20\right){x}-36i+16$
16250.6-c1 16250.6-c \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.677761663$ 1.355523326 \( -\frac{1736989}{208} a + \frac{2118627}{208} \) \( \bigl[1\) , \( -i + 1\) , \( 1\) , \( 145 i + 70\) , \( -12 i - 674\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}+\left(-i+1\right){x}^{2}+\left(145i+70\right){x}-12i-674$
16250.6-d1 16250.6-d \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.140596485$ $2.113453741$ 2.377153349 \( \frac{2124209}{6500} a - \frac{5592087}{6500} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( -3 i - 8\) , \( 7 i + 10\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(-3i-8\right){x}+7i+10$
16250.6-d2 16250.6-d \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.421789456$ $0.704484580$ 2.377153349 \( -\frac{1498457535463}{8582031250} a + \frac{5584902421359}{8582031250} \) \( \bigl[1\) , \( 1\) , \( i + 1\) , \( 22 i + 67\) , \( -178 i - 195\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+{x}^{2}+\left(22i+67\right){x}-178i-195$
16250.6-e1 16250.6-e \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.192247496$ 1.730227465 \( -\frac{57371821008205}{42417997492} a - \frac{54181111298935}{42417997492} \) \( \bigl[1\) , \( -i - 1\) , \( i\) , \( 250 i + 1216\) , \( -22748 i + 2208\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(250i+1216\right){x}-22748i+2208$
16250.6-e2 16250.6-e \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/3\Z$ $\mathrm{SU}(2)$ $1$ $0.576742488$ 1.730227465 \( \frac{317111135}{4394} a + \frac{950272195}{4394} \) \( \bigl[1\) , \( -i - 1\) , \( i\) , \( -375 i - 34\) , \( -2123 i + 1583\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(-375i-34\right){x}-2123i+1583$
16250.6-f1 16250.6-f \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1.826121904$ $0.349267308$ 2.551218730 \( -\frac{7896854157}{2970344} a + \frac{4573167341}{2970344} \) \( \bigl[i\) , \( -i - 1\) , \( 1\) , \( 417 i + 133\) , \( -137 i + 3361\bigr] \) ${y}^2+i{x}{y}+{y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(417i+133\right){x}-137i+3361$
16250.6-f2 16250.6-f \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.365224380$ $1.746336542$ 2.551218730 \( \frac{74877}{26} a + \frac{83939}{26} \) \( \bigl[1\) , \( i + 1\) , \( i\) , \( -8 i - 17\) , \( 12 i + 14\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}+\left(i+1\right){x}^{2}+\left(-8i-17\right){x}+12i+14$
16250.6-g1 16250.6-g \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.341683782$ 2.733470263 \( \frac{353750760581}{66015625} a - \frac{156546352109}{132031250} \) \( \bigl[i\) , \( -i - 1\) , \( i + 1\) , \( 492 i + 171\) , \( 1725 i + 4480\bigr] \) ${y}^2+i{x}{y}+\left(i+1\right){y}={x}^{3}+\left(-i-1\right){x}^{2}+\left(492i+171\right){x}+1725i+4480$
16250.6-g2 16250.6-g \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.683367565$ 2.733470263 \( -\frac{5423261}{8125} a - \frac{19770367}{32500} \) \( \bigl[1\) , \( i + 1\) , \( i + 1\) , \( -8 i - 80\) , \( 24 i - 480\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+\left(i+1\right){x}^{2}+\left(-8i-80\right){x}+24i-480$
16250.6-h1 16250.6-h \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.011864458$ $0.939702506$ 4.548817186 \( \frac{19040273}{33280} a - \frac{28339689}{33280} \) \( \bigl[1\) , \( -i + 1\) , \( 0\) , \( -30 i + 33\) , \( 88 i + 145\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(-i+1\right){x}^{2}+\left(-30i+33\right){x}+88i+145$
16250.6-i1 16250.6-i \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.047907620$ $3.388808315$ 4.545792784 \( -\frac{1736989}{208} a + \frac{2118627}{208} \) \( \bigl[1\) , \( i\) , \( 1\) , \( 6 i + 2\) , \( i - 8\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}+i{x}^{2}+\left(6i+2\right){x}+i-8$
16250.6-j1 16250.6-j \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.054785322$ $1.742847925$ 4.583159334 \( \frac{2456215}{676} a + \frac{821220}{169} \) \( \bigl[i\) , \( -i\) , \( 1\) , \( 18 i - 10\) , \( 34 i + 5\bigr] \) ${y}^2+i{x}{y}+{y}={x}^{3}-i{x}^{2}+\left(18i-10\right){x}+34i+5$
16250.6-k1 16250.6-k \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $0.961237480$ 2.883712442 \( -\frac{57371821008205}{42417997492} a - \frac{54181111298935}{42417997492} \) \( \bigl[1\) , \( i - 1\) , \( i + 1\) , \( 9 i + 48\) , \( -165 i + 4\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+\left(i-1\right){x}^{2}+\left(9i+48\right){x}-165i+4$
16250.6-k2 16250.6-k \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $2.883712442$ 2.883712442 \( \frac{317111135}{4394} a + \frac{950272195}{4394} \) \( \bigl[1\) , \( i - 1\) , \( i + 1\) , \( -16 i - 2\) , \( -15 i + 19\bigr] \) ${y}^2+{x}{y}+\left(i+1\right){y}={x}^{3}+\left(i-1\right){x}^{2}+\left(-16i-2\right){x}-15i+19$
16250.6-l1 16250.6-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.192145277$ 3.458615002 \( -\frac{276861163011391}{13000000000} a - \frac{33515586556057}{812500000} \) \( \bigl[1\) , \( i - 1\) , \( 0\) , \( -2238 i - 1259\) , \( -50752 i + 1489\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(-2238i-1259\right){x}-50752i+1489$
16250.6-l2 16250.6-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.576435833$ 3.458615002 \( \frac{37525044319}{2197000} a - \frac{7169596274}{274625} \) \( \bigl[1\) , \( i - 1\) , \( 0\) , \( -238 i + 116\) , \( 248 i - 1636\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(-238i+116\right){x}+248i-1636$
16250.6-l3 16250.6-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.288217916$ 3.458615002 \( \frac{133816114442969}{301675562500} a - \frac{19082395919017}{301675562500} \) \( \bigl[1\) , \( i - 1\) , \( 0\) , \( 12 i + 366\) , \( 4498 i - 3386\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(12i+366\right){x}+4498i-3386$
16250.6-l4 16250.6-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.096072638$ 3.458615002 \( -\frac{8418015312387897223}{20629882812500000} a + \frac{2783266907131437289}{20629882812500000} \) \( \bigl[1\) , \( i - 1\) , \( 0\) , \( -238 i - 3259\) , \( -92752 i + 107489\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(-238i-3259\right){x}-92752i+107489$
16250.6-l5 16250.6-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.729307501$ 3.458615002 \( \frac{31409}{130} a + \frac{101344}{65} \) \( \bigl[1\) , \( i - 1\) , \( 0\) , \( 12 i - 9\) , \( -2 i - 11\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(12i-9\right){x}-2i-11$
16250.6-l6 16250.6-l \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.864653750$ 3.458615002 \( \frac{4406742137}{8450} a + \frac{1310300809}{8450} \) \( \bigl[1\) , \( i - 1\) , \( 0\) , \( 137 i - 134\) , \( 873 i - 386\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(i-1\right){x}^{2}+\left(137i-134\right){x}+873i-386$
16250.6-m1 16250.6-m \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\Z/5\Z$ $\mathrm{SU}(2)$ $1$ $1.746336542$ 3.492673084 \( -\frac{7896854157}{2970344} a + \frac{4573167341}{2970344} \) \( \bigl[1\) , \( -i\) , \( i\) , \( 16 i + 5\) , \( -i - 20\bigr] \) ${y}^2+{x}{y}+i{y}={x}^{3}-i{x}^{2}+\left(16i+5\right){x}-i-20$
16250.6-m2 16250.6-m \(\Q(\sqrt{-1}) \) \( 2 \cdot 5^{4} \cdot 13 \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $1.746336542$ 3.492673084 \( \frac{74877}{26} a + \frac{83939}{26} \) \( \bigl[1\) , \( -i + 1\) , \( 0\) , \( -15 i + 13\) , \( 3 i + 25\bigr] \) ${y}^2+{x}{y}={x}^{3}+\left(-i+1\right){x}^{2}+\left(-15i+13\right){x}+3i+25$
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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.