Properties

Label 201200j
Number of curves $2$
Conductor $201200$
CM no
Rank $1$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("j1")
 
E.isogeny_class()
 

Elliptic curves in class 201200j

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
201200.r2 201200j1 \([0, 0, 0, 3125, -15750]\) \(52734375/32192\) \(-2060288000000\) \([2]\) \(217728\) \(1.0520\) \(\Gamma_0(N)\)-optimal
201200.r1 201200j2 \([0, 0, 0, -12875, -127750]\) \(3687953625/2024072\) \(129540608000000\) \([2]\) \(435456\) \(1.3986\)  

Rank

sage: E.rank()
 

The elliptic curves in class 201200j have rank \(1\).

Complex multiplication

The elliptic curves in class 201200j do not have complex multiplication.

Modular form 201200.2.a.j

sage: E.q_eigenform(10)
 
\(q - 3 q^{9} - 4 q^{11} - 2 q^{13} + 2 q^{17} + 2 q^{19} + O(q^{20})\) Copy content Toggle raw display

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.

\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)

Isogeny graph

sage: E.isogeny_graph().plot(edge_labels=True)
 

The vertices are labelled with Cremona labels.