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SageMath
E = EllipticCurve("u1")
E.isogeny_class()
Elliptic curves in class 53130u
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
53130.u4 | 53130u1 | \([1, 0, 1, -41654, 3175496]\) | \(7992430388714760409/259528961556480\) | \(259528961556480\) | \([2]\) | \(327680\) | \(1.5396\) | \(\Gamma_0(N)\)-optimal |
53130.u2 | 53130u2 | \([1, 0, 1, -661174, 206873672]\) | \(31964658506999396739289/35409164313600\) | \(35409164313600\) | \([2, 2]\) | \(655360\) | \(1.8862\) | |
53130.u3 | 53130u3 | \([1, 0, 1, -655894, 210341576]\) | \(-31204967494047467761369/1064730266583060000\) | \(-1064730266583060000\) | \([2]\) | \(1310720\) | \(2.2327\) | |
53130.u1 | 53130u4 | \([1, 0, 1, -10578774, 13242567112]\) | \(130927136818763403860009689/160665120\) | \(160665120\) | \([2]\) | \(1310720\) | \(2.2327\) |
Rank
sage: E.rank()
The elliptic curves in class 53130u have rank \(1\).
Complex multiplication
The elliptic curves in class 53130u do not have complex multiplication.Modular form 53130.2.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 Cremona numbering.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.