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Results (4 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
100.1-c4 100.1-c \(\Q(\sqrt{21}) \) \( 2^{2} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.403882379$ $9.768635228$ 1.721904841 \( \frac{8527173507}{200} \) \( \bigl[a + 1\) , \( -a - 1\) , \( 1\) , \( 42 a - 128\) , \( 261 a - 718\bigr] \) ${y}^2+\left(a+1\right){x}{y}+{y}={x}^{3}+\left(-a-1\right){x}^{2}+\left(42a-128\right){x}+261a-718$
100.1-f4 100.1-f \(\Q(\sqrt{21}) \) \( 2^{2} \cdot 5^{2} \) $1$ $\Z/2\Z$ $\mathrm{SU}(2)$ $0.403882379$ $9.768635228$ 1.721904841 \( \frac{8527173507}{200} \) \( \bigl[a\) , \( -1\) , \( 1\) , \( -43 a - 85\) , \( -261 a - 457\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}-{x}^{2}+\left(-43a-85\right){x}-261a-457$
900.1-k4 900.1-k \(\Q(\sqrt{21}) \) \( 2^{2} \cdot 3^{2} \cdot 5^{2} \) 0 $\Z/6\Z$ $\mathrm{SU}(2)$ $1$ $15.76958961$ 2.294137716 \( \frac{8527173507}{200} \) \( \bigl[1\) , \( -1\) , \( 1\) , \( -128\) , \( 587\bigr] \) ${y}^2+{x}{y}+{y}={x}^{3}-{x}^{2}-128{x}+587$
900.1-p4 900.1-p \(\Q(\sqrt{21}) \) \( 2^{2} \cdot 3^{2} \cdot 5^{2} \) 0 $\Z/2\Z$ $\mathrm{SU}(2)$ $1$ $2.017094010$ 2.640995995 \( \frac{8527173507}{200} \) \( \bigl[a\) , \( -a + 1\) , \( 1\) , \( 637 a - 1785\) , \( 14094 a - 39346\bigr] \) ${y}^2+a{x}{y}+{y}={x}^{3}+\left(-a+1\right){x}^{2}+\left(637a-1785\right){x}+14094a-39346$
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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.