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SageMath
E = EllipticCurve("s1")
E.isogeny_class()
Elliptic curves in class 138675s
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
138675.o4 | 138675s1 | \([1, 1, 0, 68375, -62696000]\) | \(357911/17415\) | \(-1720102148411484375\) | \([2]\) | \(1951488\) | \(2.1788\) | \(\Gamma_0(N)\)-optimal |
138675.o3 | 138675s2 | \([1, 1, 0, -2011750, -1054915625]\) | \(9116230969/416025\) | \(41091329100941015625\) | \([2, 2]\) | \(3902976\) | \(2.5254\) | |
138675.o2 | 138675s3 | \([1, 1, 0, -5478625, 3552561250]\) | \(184122897769/51282015\) | \(5065191167175995859375\) | \([2]\) | \(7805952\) | \(2.8720\) | |
138675.o1 | 138675s4 | \([1, 1, 0, -31826875, -69122846000]\) | \(36097320816649/80625\) | \(7963435872275390625\) | \([2]\) | \(7805952\) | \(2.8720\) |
Rank
sage: E.rank()
The elliptic curves in class 138675s have rank \(0\).
Complex multiplication
The elliptic curves in class 138675s do not have complex multiplication.Modular form 138675.2.a.s
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.