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SageMath
E = EllipticCurve("l1")
E.isogeny_class()
Elliptic curves in class 2925.l
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
2925.l1 | 2925e2 | \([0, 0, 1, -480, 4036]\) | \(671088640/2197\) | \(40040325\) | \([]\) | \(1080\) | \(0.32419\) | |
2925.l2 | 2925e1 | \([0, 0, 1, -30, -59]\) | \(163840/13\) | \(236925\) | \([]\) | \(360\) | \(-0.22512\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 2925.l have rank \(0\).
Complex multiplication
The elliptic curves in class 2925.l do not have complex multiplication.Modular form 2925.2.a.l
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.
\(\left(\begin{array}{rr} 1 & 3 \\ 3 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.