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SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 380880.y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
380880.y1 | 380880y2 | \([0, 0, 0, -8838003, -9703255502]\) | \(172715635009/7935000\) | \(3507530236099522560000\) | \([2]\) | \(19464192\) | \(2.8957\) | |
380880.y2 | 380880y1 | \([0, 0, 0, 303117, -578589518]\) | \(6967871/331200\) | \(-146401262028501811200\) | \([2]\) | \(9732096\) | \(2.5492\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 380880.y have rank \(0\).
Complex multiplication
The elliptic curves in class 380880.y do not have complex multiplication.Modular form 380880.2.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 LMFDB numbering.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.