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Results (6 matches)

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Label Class Conductor Rank Torsion CM Regulator Weierstrass coefficients Weierstrass equation
21.a1 21.a \( 3 \cdot 7 \) $0$ $\Z/2\Z$ $1$ $[1, 0, 0, -784, -8515]$ \(y^2+xy=x^3-784x-8515\)
21.a2 21.a \( 3 \cdot 7 \) $0$ $\Z/2\Z\oplus\Z/2\Z$ $1$ $[1, 0, 0, -49, -136]$ \(y^2+xy=x^3-49x-136\)
21.a3 21.a \( 3 \cdot 7 \) $0$ $\Z/8\Z$ $1$ $[1, 0, 0, -39, 90]$ \(y^2+xy=x^3-39x+90\)
21.a4 21.a \( 3 \cdot 7 \) $0$ $\Z/2\Z$ $1$ $[1, 0, 0, -34, -217]$ \(y^2+xy=x^3-34x-217\)
21.a5 21.a \( 3 \cdot 7 \) $0$ $\Z/2\Z\oplus\Z/4\Z$ $1$ $[1, 0, 0, -4, -1]$ \(y^2+xy=x^3-4x-1\)
21.a6 21.a \( 3 \cdot 7 \) $0$ $\Z/4\Z$ $1$ $[1, 0, 0, 1, 0]$ \(y^2+xy=x^3+x\)
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