Show commands:
SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 344760y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
344760.y3 | 344760y1 | \([0, -1, 0, -160775, 20395452]\) | \(5951163357184/1129312125\) | \(87215582860146000\) | \([2]\) | \(3317760\) | \(1.9682\) | \(\Gamma_0(N)\)-optimal |
344760.y2 | 344760y2 | \([0, -1, 0, -776780, -244733100]\) | \(41948679809104/3291890625\) | \(4067667787716000000\) | \([2, 2]\) | \(6635520\) | \(2.3147\) | |
344760.y4 | 344760y3 | \([0, -1, 0, 774640, -1101737508]\) | \(10400706415004/112060546875\) | \(-553876332750000000000\) | \([2]\) | \(13271040\) | \(2.6613\) | |
344760.y1 | 344760y4 | \([0, -1, 0, -12184280, -16365812100]\) | \(40472803590982276/281883375\) | \(1393251544473984000\) | \([2]\) | \(13271040\) | \(2.6613\) |
Rank
sage: E.rank()
The elliptic curves in class 344760y have rank \(2\).
Complex multiplication
The elliptic curves in class 344760y do not have complex multiplication.Modular form 344760.2.a.y
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.