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SageMath
E = EllipticCurve("ey1")
E.isogeny_class()
Elliptic curves in class 171600ey
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
171600.du4 | 171600ey1 | \([0, -1, 0, 8592, 17445312]\) | \(1095912791/2055596400\) | \(-131558169600000000\) | \([2]\) | \(1769472\) | \(1.9638\) | \(\Gamma_0(N)\)-optimal |
171600.du3 | 171600ey2 | \([0, -1, 0, -959408, 354309312]\) | \(1525998818291689/37268302500\) | \(2385171360000000000\) | \([2, 2]\) | \(3538944\) | \(2.3104\) | |
171600.du1 | 171600ey3 | \([0, -1, 0, -15259408, 22948309312]\) | \(6139836723518159689/3799803150\) | \(243187401600000000\) | \([2]\) | \(7077888\) | \(2.6570\) | |
171600.du2 | 171600ey4 | \([0, -1, 0, -2147408, -695882688]\) | \(17111482619973769/6627044531250\) | \(424130850000000000000\) | \([2]\) | \(7077888\) | \(2.6570\) |
Rank
sage: E.rank()
The elliptic curves in class 171600ey have rank \(1\).
Complex multiplication
The elliptic curves in class 171600ey do not have complex multiplication.Modular form 171600.2.a.ey
sage: E.q_eigenform(10)
Isogeny matrix
sage: E.isogeny_class().matrix()
The \(i,j\) entry is the smallest degree of a cyclic isogeny between the \(i\)-th and \(j\)-th curve in the isogeny class, in the Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.