Show commands:
SageMath
E = EllipticCurve("bj1")
E.isogeny_class()
Elliptic curves in class 48672.bj
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
48672.bj1 | 48672bs4 | \([0, 0, 0, -49179, 4196270]\) | \(7301384/3\) | \(5404790416896\) | \([2]\) | \(147456\) | \(1.4056\) | |
48672.bj2 | 48672bs3 | \([0, 0, 0, -26364, -1616992]\) | \(140608/3\) | \(43238323335168\) | \([2]\) | \(147456\) | \(1.4056\) | |
48672.bj3 | 48672bs1 | \([0, 0, 0, -3549, 43940]\) | \(21952/9\) | \(2026796406336\) | \([2, 2]\) | \(73728\) | \(1.0590\) | \(\Gamma_0(N)\)-optimal |
48672.bj4 | 48672bs2 | \([0, 0, 0, 11661, 320762]\) | \(97336/81\) | \(-145929341256192\) | \([2]\) | \(147456\) | \(1.4056\) |
Rank
sage: E.rank()
The elliptic curves in class 48672.bj have rank \(1\).
Complex multiplication
The elliptic curves in class 48672.bj do not have complex multiplication.Modular form 48672.2.a.bj
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.
\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.