Show commands:
SageMath
E = EllipticCurve("bw1")
E.isogeny_class()
Elliptic curves in class 54150bw
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
54150.cd2 | 54150bw1 | \([1, 1, 1, -188, 2412281]\) | \(-1/3420\) | \(-2514014265937500\) | \([2]\) | \(414720\) | \(1.6339\) | \(\Gamma_0(N)\)-optimal |
54150.cd1 | 54150bw2 | \([1, 1, 1, -270938, 53313281]\) | \(2992209121/54150\) | \(39805225877343750\) | \([2]\) | \(829440\) | \(1.9805\) |
Rank
sage: E.rank()
The elliptic curves in class 54150bw have rank \(1\).
Complex multiplication
The elliptic curves in class 54150bw do not have complex multiplication.Modular form 54150.2.a.bw
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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.