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SageMath
E = EllipticCurve("e1")
E.isogeny_class()
Elliptic curves in class 40560e
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
40560.n4 | 40560e1 | \([0, -1, 0, -387911, 78529086]\) | \(83587439220736/13990184325\) | \(1080447161785102800\) | \([2]\) | \(516096\) | \(2.1814\) | \(\Gamma_0(N)\)-optimal |
40560.n2 | 40560e2 | \([0, -1, 0, -5931956, 5562698400]\) | \(18681746265374416/693005625\) | \(856321481676960000\) | \([2, 2]\) | \(1032192\) | \(2.5280\) | |
40560.n3 | 40560e3 | \([0, -1, 0, -5658176, 6099088176]\) | \(-4053153720264484/903687890625\) | \(-4466615135907600000000\) | \([2]\) | \(2064384\) | \(2.8746\) | |
40560.n1 | 40560e4 | \([0, -1, 0, -94910456, 355924440000]\) | \(19129597231400697604/26325\) | \(130115324851200\) | \([4]\) | \(2064384\) | \(2.8746\) |
Rank
sage: E.rank()
The elliptic curves in class 40560e have rank \(1\).
Complex multiplication
The elliptic curves in class 40560e do not have complex multiplication.Modular form 40560.2.a.e
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.