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SageMath
E = EllipticCurve("g1")
E.isogeny_class()
Elliptic curves in class 189225.g
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
189225.g1 | 189225k3 | \([1, -1, 1, -48729380, 129020370122]\) | \(1888690601881/31827645\) | \(215645324818954590703125\) | \([2]\) | \(30965760\) | \(3.2753\) | |
189225.g2 | 189225k2 | \([1, -1, 1, -6153755, -2793764878]\) | \(3803721481/1703025\) | \(11538691577708628515625\) | \([2, 2]\) | \(15482880\) | \(2.9287\) | |
189225.g3 | 189225k1 | \([1, -1, 1, -5207630, -4570587628]\) | \(2305199161/1305\) | \(8841909254949140625\) | \([2]\) | \(7741440\) | \(2.5822\) | \(\Gamma_0(N)\)-optimal |
189225.g4 | 189225k4 | \([1, -1, 1, 21283870, -20902597378]\) | \(157376536199/118918125\) | \(-805718980857240439453125\) | \([2]\) | \(30965760\) | \(3.2753\) |
Rank
sage: E.rank()
The elliptic curves in class 189225.g have rank \(0\).
Complex multiplication
The elliptic curves in class 189225.g do not have complex multiplication.Modular form 189225.2.a.g
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.
\(\left(\begin{array}{rrrr} 1 & 2 & 4 & 4 \\ 2 & 1 & 2 & 2 \\ 4 & 2 & 1 & 4 \\ 4 & 2 & 4 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with LMFDB labels.