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SageMath
E = EllipticCurve("u1")
E.isogeny_class()
Elliptic curves in class 88200u
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
88200.a1 | 88200u1 | \([0, 0, 0, -7350, -214375]\) | \(55296/7\) | \(5558915250000\) | \([2]\) | \(196608\) | \(1.1748\) | \(\Gamma_0(N)\)-optimal |
88200.a2 | 88200u2 | \([0, 0, 0, 11025, -1114750]\) | \(11664/49\) | \(-622598508000000\) | \([2]\) | \(393216\) | \(1.5213\) |
Rank
sage: E.rank()
The elliptic curves in class 88200u have rank \(2\).
Complex multiplication
The elliptic curves in class 88200u do not have complex multiplication.Modular form 88200.2.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.
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
sage: E.isogeny_graph().plot(edge_labels=True)
The vertices are labelled with Cremona labels.