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SageMath
E = EllipticCurve("dw1")
E.isogeny_class()
Elliptic curves in class 92400dw
sage: E.isogeny_class().curves
LMFDB label | Cremona label | Weierstrass coefficients | j-invariant | Discriminant | Torsion structure | Modular degree | Faltings height | Optimality |
---|---|---|---|---|---|---|---|---|
92400.z3 | 92400dw1 | \([0, -1, 0, -200408, 30051312]\) | \(13908844989649/1980372240\) | \(126743823360000000\) | \([2]\) | \(884736\) | \(2.0075\) | \(\Gamma_0(N)\)-optimal |
92400.z2 | 92400dw2 | \([0, -1, 0, -848408, -270620688]\) | \(1055257664218129/115307784900\) | \(7379698233600000000\) | \([2, 2]\) | \(1769472\) | \(2.3541\) | |
92400.z4 | 92400dw3 | \([0, -1, 0, 1131592, -1347740688]\) | \(2503876820718671/13702874328990\) | \(-876983957055360000000\) | \([2]\) | \(3538944\) | \(2.7006\) | |
92400.z1 | 92400dw4 | \([0, -1, 0, -13196408, -18446876688]\) | \(3971101377248209009/56495958750\) | \(3615741360000000000\) | \([2]\) | \(3538944\) | \(2.7006\) |
Rank
sage: E.rank()
The elliptic curves in class 92400dw have rank \(1\).
Complex multiplication
The elliptic curves in class 92400dw do not have complex multiplication.Modular form 92400.2.a.dw
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.