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Label Class Conductor Rank Torsion CM Regulator Weierstrass coefficients Weierstrass equation mod-$m$ images
128.a1 128.a \( 2^{7} \) $1$ $\Z/2\Z$ $0.216165582$ $[0, 1, 0, -9, 7]$ \(y^2=x^3+x^2-9x+7\) 2.3.0.a.1, 4.6.0.b.1, 8.24.0-8.h.1.1, 16.48.0-16.c.1.4, 32.96.0-32.c.1.4
128.a2 128.a \( 2^{7} \) $1$ $\Z/2\Z$ $0.432331164$ $[0, 1, 0, 1, 1]$ \(y^2=x^3+x^2+x+1\) 2.3.0.a.1, 4.12.0-4.a.1.1, 8.24.0-8.g.1.1, 16.48.0-16.a.1.2, 32.96.0-32.a.1.2
128.b1 128.b \( 2^{7} \) $0$ $\Z/2\Z$ $1$ $[0, 1, 0, -2, -2]$ \(y^2=x^3+x^2-2x-2\) 2.3.0.a.1, 4.6.0.b.1, 8.24.0-8.h.1.2, 16.48.0-16.c.1.3, 32.96.0-32.c.1.3
128.b2 128.b \( 2^{7} \) $0$ $\Z/2\Z$ $1$ $[0, 1, 0, 3, -5]$ \(y^2=x^3+x^2+3x-5\) 2.3.0.a.1, 4.12.0-4.a.1.2, 8.24.0-8.g.1.2, 16.48.0-16.a.1.1, 32.96.0-32.a.1.1
128.c1 128.c \( 2^{7} \) $0$ $\Z/2\Z$ $1$ $[0, -1, 0, -9, -7]$ \(y^2=x^3-x^2-9x-7\) 2.3.0.a.1, 4.6.0.b.1, 8.24.0-8.h.1.1, 16.48.0-16.c.1.2, 32.96.0-32.c.1.2
128.c2 128.c \( 2^{7} \) $0$ $\Z/2\Z$ $1$ $[0, -1, 0, 1, -1]$ \(y^2=x^3-x^2+x-1\) 2.3.0.a.1, 4.12.0-4.a.1.1, 8.24.0-8.g.1.1, 16.48.0-16.a.1.3, 32.96.0-32.a.1.3
128.d1 128.d \( 2^{7} \) $0$ $\Z/2\Z$ $1$ $[0, -1, 0, -2, 2]$ \(y^2=x^3-x^2-2x+2\) 2.3.0.a.1, 4.6.0.b.1, 8.24.0-8.h.1.2, 16.48.0-16.c.1.1, 32.96.0-32.c.1.1
128.d2 128.d \( 2^{7} \) $0$ $\Z/2\Z$ $1$ $[0, -1, 0, 3, 5]$ \(y^2=x^3-x^2+3x+5\) 2.3.0.a.1, 4.12.0-4.a.1.2, 8.24.0-8.g.1.2, 16.48.0-16.a.1.4, 32.96.0-32.a.1.4
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