Show commands:
SageMath
E = EllipticCurve("z1")
E.isogeny_class()
Elliptic curves in class 405042.z
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
405042.z1 | 405042z3 | \([1, 1, 0, -506933174, 4392920075220]\) | \(306234591284035366263793/1727485056\) | \(81271056373854336\) | \([2]\) | \(74317824\) | \(3.3145\) | \(\Gamma_0(N)\)-optimal* |
405042.z2 | 405042z2 | \([1, 1, 0, -31683894, 68626876500]\) | \(74768347616680342513/5615307472896\) | \(264177087148275941376\) | \([2, 2]\) | \(37158912\) | \(2.9679\) | \(\Gamma_0(N)\)-optimal* |
405042.z3 | 405042z4 | \([1, 1, 0, -29604534, 78025999572]\) | \(-60992553706117024753/20624795251201152\) | \(-970311663037374504054912\) | \([2]\) | \(74317824\) | \(3.3145\) | |
405042.z4 | 405042z1 | \([1, 1, 0, -2110774, 922175572]\) | \(22106889268753393/4969545596928\) | \(233796650777148653568\) | \([2]\) | \(18579456\) | \(2.6213\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 405042.z have rank \(1\).
Complex multiplication
The elliptic curves in class 405042.z do not have complex multiplication.Modular form 405042.2.a.z
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 LMFDB 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 LMFDB labels.