Show commands:
SageMath
E = EllipticCurve("bh1")
E.isogeny_class()
Elliptic curves in class 169065bh
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
169065.bc3 | 169065bh1 | \([1, -1, 0, -67680, -6485589]\) | \(1948441249/89505\) | \(1574955739628505\) | \([2]\) | \(1032192\) | \(1.6777\) | \(\Gamma_0(N)\)-optimal |
169065.bc2 | 169065bh2 | \([1, -1, 0, -184725, 22096800]\) | \(39616946929/10989225\) | \(193369565809944225\) | \([2, 2]\) | \(2064384\) | \(2.0243\) | |
169065.bc1 | 169065bh3 | \([1, -1, 0, -2720700, 1727793585]\) | \(126574061279329/16286595\) | \(286583612918327595\) | \([2]\) | \(4128768\) | \(2.3709\) | |
169065.bc4 | 169065bh4 | \([1, -1, 0, 478530, 144268371]\) | \(688699320191/910381875\) | \(-16019341481314006875\) | \([2]\) | \(4128768\) | \(2.3709\) |
Rank
sage: E.rank()
The elliptic curves in class 169065bh have rank \(1\).
Complex multiplication
The elliptic curves in class 169065bh do not have complex multiplication.Modular form 169065.2.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.