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SageMath
E = EllipticCurve("pt1")
E.isogeny_class()
Elliptic curves in class 418950.pt
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
418950.pt1 | 418950pt3 | \([1, -1, 1, -33516230, 74692943147]\) | \(3107086841064961/570\) | \(763854515156250\) | \([2]\) | \(21233664\) | \(2.6915\) | \(\Gamma_0(N)\)-optimal* |
418950.pt2 | 418950pt4 | \([1, -1, 1, -2425730, 774287147]\) | \(1177918188481/488703750\) | \(654909764932089843750\) | \([2]\) | \(21233664\) | \(2.6915\) | |
418950.pt3 | 418950pt2 | \([1, -1, 1, -2094980, 1167218147]\) | \(758800078561/324900\) | \(435397073639062500\) | \([2, 2]\) | \(10616832\) | \(2.3449\) | \(\Gamma_0(N)\)-optimal* |
418950.pt4 | 418950pt1 | \([1, -1, 1, -110480, 24146147]\) | \(-111284641/123120\) | \(-164992575273750000\) | \([2]\) | \(5308416\) | \(1.9983\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 418950.pt have rank \(1\).
Complex multiplication
The elliptic curves in class 418950.pt do not have complex multiplication.Modular form 418950.2.a.pt
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.