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SageMath
E = EllipticCurve("f1")
E.isogeny_class()
Elliptic curves in class 238260.f
sage: E.isogeny_class().curves
| LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
|---|---|---|---|---|---|---|---|---|
| 238260.f1 | 238260f2 | \([0, -1, 0, -2626756, 1639151800]\) | \(166426126492624/40206375\) | \(484235349424992000\) | \([2]\) | \(5806080\) | \(2.3823\) | |
| 238260.f2 | 238260f1 | \([0, -1, 0, -144881, 31889550]\) | \(-446806441984/323296875\) | \(-243356580942750000\) | \([2]\) | \(2903040\) | \(2.0358\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 238260.f have rank \(1\).
Complex multiplication
The elliptic curves in class 238260.f do not have complex multiplication.Modular form 238260.2.a.f
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.
