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SageMath
E = EllipticCurve("u1")
E.isogeny_class()
Elliptic curves in class 30345.u
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
30345.u1 | 30345a2 | \([1, 1, 0, -361520943, -2343460232862]\) | \(216486375407331255135001/27004994294227023375\) | \(651834913121511078378675375\) | \([2]\) | \(11612160\) | \(3.8748\) | |
30345.u2 | 30345a1 | \([1, 1, 0, 33505932, -189536694237]\) | \(172343644217341694999/742780064187984375\) | \(-17928905051161901822484375\) | \([2]\) | \(5806080\) | \(3.5282\) | \(\Gamma_0(N)\)-optimal |
Rank
sage: E.rank()
The elliptic curves in class 30345.u have rank \(1\).
Complex multiplication
The elliptic curves in class 30345.u do not have complex multiplication.Modular form 30345.2.a.u
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.