Show commands:
SageMath
E = EllipticCurve("y1")
E.isogeny_class()
Elliptic curves in class 42483.y
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
42483.y1 | 42483c2 | \([0, -1, 1, -12919552, -17883952731]\) | \(-1713910976512/1594323\) | \(-221847306257634318387\) | \([]\) | \(2830464\) | \(2.8270\) | |
42483.y2 | 42483c1 | \([0, -1, 1, -33042, 2523149]\) | \(-28672/3\) | \(-417444845726307\) | \([]\) | \(217728\) | \(1.5445\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 42483.y have rank \(1\).
Complex multiplication
The elliptic curves in class 42483.y do not have complex multiplication.Modular form 42483.2.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.
\(\left(\begin{array}{rr} 1 & 13 \\ 13 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.