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SageMath
E = EllipticCurve("dz1")
E.isogeny_class()
Elliptic curves in class 37440dz
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
37440.cp3 | 37440dz1 | \([0, 0, 0, -4008, 97432]\) | \(9538484224/26325\) | \(19651507200\) | \([2]\) | \(49152\) | \(0.84805\) | \(\Gamma_0(N)\)-optimal |
37440.cp2 | 37440dz2 | \([0, 0, 0, -5628, 11248]\) | \(1650587344/950625\) | \(11354204160000\) | \([2, 2]\) | \(98304\) | \(1.1946\) | |
37440.cp4 | 37440dz3 | \([0, 0, 0, 22452, 89872]\) | \(26198797244/15234375\) | \(-727833600000000\) | \([2]\) | \(196608\) | \(1.5412\) | |
37440.cp1 | 37440dz4 | \([0, 0, 0, -59628, -5583152]\) | \(490757540836/2142075\) | \(102339226828800\) | \([2]\) | \(196608\) | \(1.5412\) |
Rank
sage: E.rank()
The elliptic curves in class 37440dz have rank \(1\).
Complex multiplication
The elliptic curves in class 37440dz do not have complex multiplication.Modular form 37440.2.a.dz
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.