Show commands:
SageMath
E = EllipticCurve("ct1")
E.isogeny_class()
Elliptic curves in class 254898ct
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
254898.ct2 | 254898ct1 | \([1, -1, 0, -130104, -41622498]\) | \(-2401/6\) | \(-608634585068955606\) | \([]\) | \(3311616\) | \(2.1004\) | \(\Gamma_0(N)\)-optimal |
254898.ct1 | 254898ct2 | \([1, -1, 0, -17972964, 30432198096]\) | \(-6329617441/279936\) | \(-28396455200977192753536\) | \([]\) | \(23181312\) | \(3.0733\) |
Rank
sage: E.rank()
The elliptic curves in class 254898ct have rank \(0\).
Complex multiplication
The elliptic curves in class 254898ct do not have complex multiplication.Modular form 254898.2.a.ct
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.
\(\left(\begin{array}{rr} 1 & 7 \\ 7 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.