Show commands:
SageMath
E = EllipticCurve("el1")
E.isogeny_class()
Elliptic curves in class 139230el
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
139230.p2 | 139230el1 | \([1, -1, 0, -36870, -2500300]\) | \(281616734422323/24752000000\) | \(487193616000000\) | \([2]\) | \(645120\) | \(1.5587\) | \(\Gamma_0(N)\)-optimal |
139230.p1 | 139230el2 | \([1, -1, 0, -576870, -168496300]\) | \(1078615620856342323/9572836000\) | \(188422130988000\) | \([2]\) | \(1290240\) | \(1.9052\) |
Rank
sage: E.rank()
The elliptic curves in class 139230el have rank \(0\).
Complex multiplication
The elliptic curves in class 139230el do not have complex multiplication.Modular form 139230.2.a.el
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.