Show commands:
SageMath
E = EllipticCurve("bh1")
E.isogeny_class()
Elliptic curves in class 188760bh
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
188760.n4 | 188760bh1 | \([0, -1, 0, 10124, -280124]\) | \(253012016/219375\) | \(-99490865760000\) | \([2]\) | \(491520\) | \(1.3735\) | \(\Gamma_0(N)\)-optimal |
188760.n3 | 188760bh2 | \([0, -1, 0, -50376, -2433924]\) | \(7793764996/3080025\) | \(5587407021081600\) | \([2, 2]\) | \(983040\) | \(1.7200\) | |
188760.n2 | 188760bh3 | \([0, -1, 0, -364976, 83263116]\) | \(1481943889298/34543665\) | \(125329837488261120\) | \([2]\) | \(1966080\) | \(2.0666\) | |
188760.n1 | 188760bh4 | \([0, -1, 0, -703776, -226942164]\) | \(10625310339698/3855735\) | \(13989211652782080\) | \([2]\) | \(1966080\) | \(2.0666\) |
Rank
sage: E.rank()
The elliptic curves in class 188760bh have rank \(1\).
Complex multiplication
The elliptic curves in class 188760bh do not have complex multiplication.Modular form 188760.2.a.bh
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.