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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
50176.1-a1 50176.1-a \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.282042978$ $3.733127567$ 4.211609669 \( \frac{25344}{7} a - \frac{13696}{7} \) \( \bigl[0\) , \( i\) , \( 0\) , \( 4 i - 1\) , \( 3 i\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(4i-1\right){x}+3i$
50176.1-a2 50176.1-a \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.282042978$ $1.866563783$ 4.211609669 \( -\frac{47800}{49} a - \frac{7304}{7} \) \( \bigl[0\) , \( i\) , \( 0\) , \( -6 i - 11\) , \( 9 i + 22\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(-6i-11\right){x}+9i+22$
50176.1-b1 50176.1-b \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.261235310$ 2.261235310 \( -\frac{4}{7} \) \( \bigl[0\) , \( -i - 1\) , \( 0\) , \( 0\) , \( -8 i + 8\bigr] \) ${y}^2={x}^{3}+\left(-i-1\right){x}^{2}-8i+8$
50176.1-b2 50176.1-b \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.130617655$ 2.261235310 \( \frac{3543122}{49} \) \( \bigl[0\) , \( -i - 1\) , \( 0\) , \( -80 i\) , \( -168 i + 168\bigr] \) ${y}^2={x}^{3}+\left(-i-1\right){x}^{2}-80i{x}-168i+168$
50176.1-c1 50176.1-c \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.282042978$ $3.733127567$ 4.211609669 \( -\frac{25344}{7} a - \frac{13696}{7} \) \( \bigl[0\) , \( i\) , \( 0\) , \( -4 i - 1\) , \( 3 i\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(-4i-1\right){x}+3i$
50176.1-c2 50176.1-c \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.282042978$ $1.866563783$ 4.211609669 \( \frac{47800}{49} a - \frac{7304}{7} \) \( \bigl[0\) , \( i\) , \( 0\) , \( 6 i - 11\) , \( 9 i - 22\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(6i-11\right){x}+9i-22$
50176.1-d1 50176.1-d \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.423394148$ $3.005903014$ 5.090726994 \( \frac{19872}{7} a + \frac{15296}{7} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -6 i - 1\) , \( 6 i - 3\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(-6i-1\right){x}+6i-3$
50176.1-d2 50176.1-d \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.423394148$ $1.502951507$ 5.090726994 \( -\frac{694948}{49} a + \frac{30148}{7} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -26 i - 21\) , \( -62 i - 15\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(-26i-21\right){x}-62i-15$
50176.1-e1 50176.1-e \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.839949937$ 2.839949937 \( \frac{432}{7} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -2 i\) , \( -4 i - 4\bigr] \) ${y}^2={x}^{3}-2i{x}-4i-4$
50176.1-e2 50176.1-e \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.709987484$ 2.839949937 \( \frac{11090466}{2401} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 118 i\) , \( 276 i + 276\bigr] \) ${y}^2={x}^{3}+118i{x}+276i+276$
50176.1-e3 50176.1-e \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.419974968$ 2.839949937 \( \frac{740772}{49} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 38 i\) , \( -60 i - 60\bigr] \) ${y}^2={x}^{3}+38i{x}-60i-60$
50176.1-e4 50176.1-e \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.709987484$ 2.839949937 \( \frac{1443468546}{7} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 598 i\) , \( -3980 i - 3980\bigr] \) ${y}^2={x}^{3}+598i{x}-3980i-3980$
50176.1-f1 50176.1-f \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.423394148$ $3.005903014$ 5.090726994 \( -\frac{19872}{7} a + \frac{15296}{7} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 6 i - 1\) , \( -6 i - 3\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(6i-1\right){x}-6i-3$
50176.1-f2 50176.1-f \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.423394148$ $1.502951507$ 5.090726994 \( \frac{694948}{49} a + \frac{30148}{7} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 26 i - 21\) , \( 62 i - 15\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(26i-21\right){x}+62i-15$
50176.1-g1 50176.1-g \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.423201756$ $3.166057359$ 5.359524144 \( \frac{108000}{49} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 5\) , \( -2 i\bigr] \) ${y}^2={x}^{3}+5{x}-2i$
50176.1-g2 50176.1-g \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $2$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.423201756$ $3.166057359$ 5.359524144 \( \frac{432000}{7} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -10\) , \( 12\bigr] \) ${y}^2={x}^{3}-10{x}+12$
50176.1-h1 50176.1-h \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.207380562$ $3.166057359$ 3.822636115 \( \frac{108000}{49} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -5\) , \( 2\bigr] \) ${y}^2={x}^{3}-5{x}+2$
50176.1-h2 50176.1-h \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.603690281$ $3.166057359$ 3.822636115 \( \frac{432000}{7} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 10\) , \( 12 i\bigr] \) ${y}^2={x}^{3}+10{x}+12i$
50176.1-i1 50176.1-i \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.154753348$ 1.392780133 \( -\frac{548347731625}{1835008} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -5456 i\) , \( -111840 i + 111840\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}-5456i{x}-111840i+111840$
50176.1-i2 50176.1-i \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.392780133$ 1.392780133 \( -\frac{15625}{28} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -16 i\) , \( 32 i - 32\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}-16i{x}+32i-32$
50176.1-i3 50176.1-i \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.464260044$ 1.392780133 \( \frac{9938375}{21952} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( 144 i\) , \( -736 i + 736\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+144i{x}-736i+736$
50176.1-i4 50176.1-i \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.232130022$ 1.392780133 \( \frac{4956477625}{941192} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -1136 i\) , \( -8928 i + 8928\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}-1136i{x}-8928i+8928$
50176.1-i5 50176.1-i \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.696390066$ 1.392780133 \( \frac{128787625}{98} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -336 i\) , \( 1568 i - 1568\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}-336i{x}+1568i-1568$
50176.1-i6 50176.1-i \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.077376674$ 1.392780133 \( \frac{2251439055699625}{25088} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -87376 i\) , \( -7058656 i + 7058656\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}-87376i{x}-7058656i+7058656$
50176.1-j1 50176.1-j \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.628408333$ $3.528858290$ 4.435127916 \( \frac{8000}{7} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( 4 i\) , \( 0\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}+4i{x}$
50176.1-j2 50176.1-j \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.256816667$ $1.764429145$ 4.435127916 \( \frac{125000}{49} \) \( \bigl[0\) , \( i + 1\) , \( 0\) , \( -16 i\) , \( -16 i + 16\bigr] \) ${y}^2={x}^{3}+\left(i+1\right){x}^{2}-16i{x}-16i+16$
50176.1-k1 50176.1-k \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.154753348$ 1.392780133 \( -\frac{548347731625}{1835008} \) \( \bigl[0\) , \( -i + 1\) , \( 0\) , \( 5456 i\) , \( 111840 i + 111840\bigr] \) ${y}^2={x}^{3}+\left(-i+1\right){x}^{2}+5456i{x}+111840i+111840$
50176.1-k2 50176.1-k \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.392780133$ 1.392780133 \( -\frac{15625}{28} \) \( \bigl[0\) , \( -i + 1\) , \( 0\) , \( 16 i\) , \( -32 i - 32\bigr] \) ${y}^2={x}^{3}+\left(-i+1\right){x}^{2}+16i{x}-32i-32$
50176.1-k3 50176.1-k \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.464260044$ 1.392780133 \( \frac{9938375}{21952} \) \( \bigl[0\) , \( -i + 1\) , \( 0\) , \( -144 i\) , \( 736 i + 736\bigr] \) ${y}^2={x}^{3}+\left(-i+1\right){x}^{2}-144i{x}+736i+736$
50176.1-k4 50176.1-k \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.232130022$ 1.392780133 \( \frac{4956477625}{941192} \) \( \bigl[0\) , \( -i + 1\) , \( 0\) , \( 1136 i\) , \( 8928 i + 8928\bigr] \) ${y}^2={x}^{3}+\left(-i+1\right){x}^{2}+1136i{x}+8928i+8928$
50176.1-k5 50176.1-k \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.696390066$ 1.392780133 \( \frac{128787625}{98} \) \( \bigl[0\) , \( -i + 1\) , \( 0\) , \( 336 i\) , \( -1568 i - 1568\bigr] \) ${y}^2={x}^{3}+\left(-i+1\right){x}^{2}+336i{x}-1568i-1568$
50176.1-k6 50176.1-k \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.077376674$ 1.392780133 \( \frac{2251439055699625}{25088} \) \( \bigl[0\) , \( -i + 1\) , \( 0\) , \( 87376 i\) , \( 7058656 i + 7058656\bigr] \) ${y}^2={x}^{3}+\left(-i+1\right){x}^{2}+87376i{x}+7058656i+7058656$
50176.1-l1 50176.1-l \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.628408333$ $3.528858290$ 4.435127916 \( \frac{8000}{7} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( -4 i\) , \( 0\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}-4i{x}$
50176.1-l2 50176.1-l \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.256816667$ $1.764429145$ 4.435127916 \( \frac{125000}{49} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 16 i\) , \( -16 i - 16\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+16i{x}-16i-16$
50176.1-m1 50176.1-m \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.789444093$ $3.005903014$ 4.745984757 \( -\frac{19872}{7} a + \frac{15296}{7} \) \( \bigl[0\) , \( i\) , \( 0\) , \( -6 i + 1\) , \( -3 i + 6\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(-6i+1\right){x}-3i+6$
50176.1-m2 50176.1-m \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.578888186$ $1.502951507$ 4.745984757 \( \frac{694948}{49} a + \frac{30148}{7} \) \( \bigl[0\) , \( i\) , \( 0\) , \( -26 i + 21\) , \( -15 i - 62\bigr] \) ${y}^2={x}^{3}+i{x}^{2}+\left(-26i+21\right){x}-15i-62$
50176.1-n1 50176.1-n \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.839949937$ 2.839949937 \( \frac{432}{7} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 2 i\) , \( 4 i - 4\bigr] \) ${y}^2={x}^{3}+2i{x}+4i-4$
50176.1-n2 50176.1-n \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.709987484$ 2.839949937 \( \frac{11090466}{2401} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -118 i\) , \( -276 i + 276\bigr] \) ${y}^2={x}^{3}-118i{x}-276i+276$
50176.1-n3 50176.1-n \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z\oplus\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.419974968$ 2.839949937 \( \frac{740772}{49} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -38 i\) , \( 60 i - 60\bigr] \) ${y}^2={x}^{3}-38i{x}+60i-60$
50176.1-n4 50176.1-n \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $0.709987484$ 2.839949937 \( \frac{1443468546}{7} \) \( \bigl[0\) , \( 0\) , \( 0\) , \( -598 i\) , \( 3980 i - 3980\bigr] \) ${y}^2={x}^{3}-598i{x}+3980i-3980$
50176.1-o1 50176.1-o \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.789444093$ $3.005903014$ 4.745984757 \( \frac{19872}{7} a + \frac{15296}{7} \) \( \bigl[0\) , \( -i\) , \( 0\) , \( 6 i + 1\) , \( 3 i + 6\bigr] \) ${y}^2={x}^{3}-i{x}^{2}+\left(6i+1\right){x}+3i+6$
50176.1-o2 50176.1-o \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $1.578888186$ $1.502951507$ 4.745984757 \( -\frac{694948}{49} a + \frac{30148}{7} \) \( \bigl[0\) , \( -i\) , \( 0\) , \( 26 i + 21\) , \( 15 i - 62\bigr] \) ${y}^2={x}^{3}-i{x}^{2}+\left(26i+21\right){x}+15i-62$
50176.1-p1 50176.1-p \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.733127567$ 3.733127567 \( -\frac{25344}{7} a - \frac{13696}{7} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 4 i + 1\) , \( 3\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(4i+1\right){x}+3$
50176.1-p2 50176.1-p \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.866563783$ 3.733127567 \( \frac{47800}{49} a - \frac{7304}{7} \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -6 i + 11\) , \( 22 i + 9\bigr] \) ${y}^2={x}^{3}-{x}^{2}+\left(-6i+11\right){x}+22i+9$
50176.1-q1 50176.1-q \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.261235310$ 2.261235310 \( -\frac{4}{7} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 0\) , \( 8 i + 8\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+8i+8$
50176.1-q2 50176.1-q \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.130617655$ 2.261235310 \( \frac{3543122}{49} \) \( \bigl[0\) , \( i - 1\) , \( 0\) , \( 80 i\) , \( 168 i + 168\bigr] \) ${y}^2={x}^{3}+\left(i-1\right){x}^{2}+80i{x}+168i+168$
50176.1-r1 50176.1-r \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $3.733127567$ 3.733127567 \( \frac{25344}{7} a - \frac{13696}{7} \) \( \bigl[0\) , \( 1\) , \( 0\) , \( -4 i + 1\) , \( -3\bigr] \) ${y}^2={x}^{3}+{x}^{2}+\left(-4i+1\right){x}-3$
50176.1-r2 50176.1-r \(\Q(\sqrt{-1}) \) \( 2^{10} \cdot 7^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $1.866563783$ 3.733127567 \( -\frac{47800}{49} a - \frac{7304}{7} \) \( \bigl[0\) , \( 1\) , \( 0\) , \( 6 i + 11\) , \( 22 i - 9\bigr] \) ${y}^2={x}^{3}+{x}^{2}+\left(6i+11\right){x}+22i-9$
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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.