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Results (13 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
32.4-a1 32.4-a \(\Q(\sqrt{-31}) \) \( 2^{5} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.139158379$ $8.191609121$ 1.637901283 \( -1536 a + 2816 \) \( \bigl[0\) , \( -1\) , \( 0\) , \( a + 2\) , \( -3\bigr] \) ${y}^2={x}^3-{x}^2+\left(a+2\right){x}-3$
256.5-b1 256.5-b \(\Q(\sqrt{-31}) \) \( 2^{8} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $8.191609121$ 2.942512860 \( -1536 a + 2816 \) \( \bigl[0\) , \( 1\) , \( 0\) , \( a + 2\) , \( 3\bigr] \) ${y}^2={x}^3+{x}^2+\left(a+2\right){x}+3$
256.7-a1 256.7-a \(\Q(\sqrt{-31}) \) \( 2^{8} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $5.792342358$ 2.080670797 \( -1536 a + 2816 \) \( \bigl[0\) , \( a\) , \( 0\) , \( -a - 8\) , \( -a + 8\bigr] \) ${y}^2={x}^3+a{x}^2+\left(-a-8\right){x}-a+8$
512.4-c1 512.4-c \(\Q(\sqrt{-31}) \) \( 2^{9} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $5.792342358$ 4.161341595 \( -1536 a + 2816 \) \( \bigl[0\) , \( -a\) , \( 0\) , \( -4\) , \( a\bigr] \) ${y}^2={x}^3-a{x}^2-4{x}+a$
800.10-a1 800.10-a \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 5^{2} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $3.663398968$ 2.631863512 \( -1536 a + 2816 \) \( \bigl[0\) , \( -a + 1\) , \( 0\) , \( -a + 2\) , \( -2 a - 3\bigr] \) ${y}^2={x}^3+\left(-a+1\right){x}^2+\left(-a+2\right){x}-2a-3$
800.12-a1 800.12-a \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 5^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.200541970$ $3.663398968$ 3.166794570 \( -1536 a + 2816 \) \( \bigl[0\) , \( -a + 1\) , \( 0\) , \( 6 a - 5\) , \( -4 a - 5\bigr] \) ${y}^2={x}^3+\left(-a+1\right){x}^2+\left(6a-5\right){x}-4a-5$
1024.5-f1 1024.5-f \(\Q(\sqrt{-31}) \) \( 2^{10} \) 0 $\mathsf{trivial}$ $\mathrm{SU}(2)$ $1$ $5.792342358$ 2.080670797 \( -1536 a + 2816 \) \( \bigl[0\) , \( a\) , \( 0\) , \( -4\) , \( -a\bigr] \) ${y}^2={x}^3+a{x}^2-4{x}-a$
1024.7-a1 1024.7-a \(\Q(\sqrt{-31}) \) \( 2^{10} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.370974314$ $5.792342358$ 1.543750847 \( -1536 a + 2816 \) \( \bigl[0\) , \( -a\) , \( 0\) , \( -a - 8\) , \( a - 8\bigr] \) ${y}^2={x}^3-a{x}^2+\left(-a-8\right){x}+a-8$
2592.4-a1 2592.4-a \(\Q(\sqrt{-31}) \) \( 2^{5} \cdot 3^{4} \) $2$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.059386400$ $2.730536373$ 5.591847865 \( -1536 a + 2816 \) \( \bigl[0\) , \( 0\) , \( 0\) , \( 9 a + 15\) , \( -9 a + 65\bigr] \) ${y}^2={x}^3+\left(9a+15\right){x}-9a+65$
3136.13-b1 3136.13-b \(\Q(\sqrt{-31}) \) \( 2^{6} \cdot 7^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.852028587$ $3.096137224$ 5.685579897 \( -1536 a + 2816 \) \( \bigl[0\) , \( -1\) , \( 0\) , \( -7 a + 19\) , \( 2 a - 51\bigr] \) ${y}^2={x}^3-{x}^2+\left(-7a+19\right){x}+2a-51$
3136.15-a1 3136.15-a \(\Q(\sqrt{-31}) \) \( 2^{6} \cdot 7^{2} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.555237745$ $3.096137224$ 3.705097000 \( -1536 a + 2816 \) \( \bigl[0\) , \( a + 1\) , \( 0\) , \( 3 a - 6\) , \( 2 a - 7\bigr] \) ${y}^2={x}^3+\left(a+1\right){x}^2+\left(3a-6\right){x}+2a-7$
4096.7-c1 4096.7-c \(\Q(\sqrt{-31}) \) \( 2^{12} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $0.659464960$ $4.095804560$ 1.940484126 \( -1536 a + 2816 \) \( \bigl[0\) , \( 1\) , \( 0\) , \( 4 a + 7\) , \( 4 a - 17\bigr] \) ${y}^2={x}^3+{x}^2+\left(4a+7\right){x}+4a-17$
4096.7-d1 4096.7-d \(\Q(\sqrt{-31}) \) \( 2^{12} \) $1$ $\mathsf{trivial}$ $\mathrm{SU}(2)$ $2.155455004$ $4.095804560$ 6.342454071 \( -1536 a + 2816 \) \( \bigl[0\) , \( -1\) , \( 0\) , \( 4 a + 7\) , \( -4 a + 17\bigr] \) ${y}^2={x}^3-{x}^2+\left(4a+7\right){x}-4a+17$
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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.