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SageMath
E = EllipticCurve("bo1")
E.isogeny_class()
Elliptic curves in class 494190.bo
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
494190.bo1 | 494190bo4 | \([1, -1, 0, -1280940534, -17645488463952]\) | \(13209596798923694545921/92340\) | \(1624841215544340\) | \([2]\) | \(157286400\) | \(3.4534\) | |
494190.bo2 | 494190bo3 | \([1, -1, 0, -81047214, -268538123880]\) | \(3345930611358906241/165622259047500\) | \(2914336936451586129547500\) | \([2]\) | \(157286400\) | \(3.4534\) | \(\Gamma_0(N)\)-optimal* |
494190.bo3 | 494190bo2 | \([1, -1, 0, -80058834, -275695378812]\) | \(3225005357698077121/8526675600\) | \(150037837843364355600\) | \([2, 2]\) | \(78643200\) | \(3.1068\) | \(\Gamma_0(N)\)-optimal* |
494190.bo4 | 494190bo1 | \([1, -1, 0, -4941954, -4418278380]\) | \(-758575480593601/40535043840\) | \(-713266297434792195840\) | \([2]\) | \(39321600\) | \(2.7603\) | \(\Gamma_0(N)\)-optimal* |
Rank
sage: E.rank()
The elliptic curves in class 494190.bo have rank \(0\).
Complex multiplication
The elliptic curves in class 494190.bo do not have complex multiplication.Modular form 494190.2.a.bo
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.