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SageMath
E = EllipticCurve("h1")
E.isogeny_class()
Elliptic curves in class 9338h
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
9338.i4 | 9338h1 | \([1, -1, 1, -45019, 3721611]\) | \(-10090256344188054273/107965577101312\) | \(-107965577101312\) | \([4]\) | \(38400\) | \(1.5091\) | \(\Gamma_0(N)\)-optimal |
9338.i3 | 9338h2 | \([1, -1, 1, -722139, 236380043]\) | \(41647175116728660507393/4693358285056\) | \(4693358285056\) | \([2, 2]\) | \(76800\) | \(1.8556\) | |
9338.i2 | 9338h3 | \([1, -1, 1, -723979, 235116331]\) | \(41966336340198080824833/442001722607124848\) | \(442001722607124848\) | \([2]\) | \(153600\) | \(2.2022\) | |
9338.i1 | 9338h4 | \([1, -1, 1, -11554219, 15119657963]\) | \(170586815436843383543017473/2166416\) | \(2166416\) | \([2]\) | \(153600\) | \(2.2022\) |
Rank
sage: E.rank()
The elliptic curves in class 9338h have rank \(0\).
Complex multiplication
The elliptic curves in class 9338h do not have complex multiplication.Modular form 9338.2.a.h
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.