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SageMath
sage: E = EllipticCurve("m1")
sage: E.isogeny_class()
Elliptic curves in class 72450m
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | Torsion structure | Modular degree | Optimality |
---|---|---|---|---|---|
72450.f2 | 72450m1 | [1, -1, 0, -95082, 11363876] | [2] | 442368 | \(\Gamma_0(N)\)-optimal |
72450.f1 | 72450m2 | [1, -1, 0, -1523382, 724085576] | [2] | 884736 |
Rank
sage: E.rank()
The elliptic curves in class 72450m have rank \(1\).
Complex multiplication
The elliptic curves in class 72450m do not have complex multiplication.Modular form 72450.2.a.m
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.