Show commands:
SageMath
E = EllipticCurve("j1")
E.isogeny_class()
Elliptic curves in class 132858j
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
132858.bt2 | 132858j1 | \([1, -1, 1, -5468, 1202303]\) | \(-13997521/474336\) | \(-612589750543584\) | \([]\) | \(672000\) | \(1.5177\) | \(\Gamma_0(N)\)-optimal |
132858.bt1 | 132858j2 | \([1, -1, 1, -560858, -203050537]\) | \(-15107691357361/5067577806\) | \(-6544614416864296014\) | \([]\) | \(3360000\) | \(2.3224\) |
Rank
sage: E.rank()
The elliptic curves in class 132858j have rank \(2\).
Complex multiplication
The elliptic curves in class 132858j do not have complex multiplication.Modular form 132858.2.a.j
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.
\(\left(\begin{array}{rr} 1 & 5 \\ 5 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.