Properties

Label 39984.m
Number of curves $4$
Conductor $39984$
CM no
Rank $1$
Graph

Related objects

Downloads

Learn more

Show commands: SageMath
E = EllipticCurve("m1")
 
E.isogeny_class()
 

Elliptic curves in class 39984.m

sage: E.isogeny_class().curves
 
LMFDB label Cremona label Weierstrass coefficients j-invariant Discriminant Torsion structure Modular degree Faltings height Optimality
39984.m1 39984i4 \([0, -1, 0, -107424, -13513632]\) \(569001644066/122451\) \(29503974807552\) \([2]\) \(147456\) \(1.5794\)  
39984.m2 39984i3 \([0, -1, 0, -48624, 4022880]\) \(52767497666/1753941\) \(422603580844032\) \([4]\) \(147456\) \(1.5794\)  
39984.m3 39984i2 \([0, -1, 0, -7464, -158976]\) \(381775972/127449\) \(15354109338624\) \([2, 2]\) \(73728\) \(1.2328\)  
39984.m4 39984i1 \([0, -1, 0, 1356, -17856]\) \(9148592/9639\) \(-290308790016\) \([2]\) \(36864\) \(0.88623\) \(\Gamma_0(N)\)-optimal

Rank

sage: E.rank()
 

The elliptic curves in class 39984.m have rank \(1\).

Complex multiplication

The elliptic curves in class 39984.m do not have complex multiplication.

Modular form 39984.2.a.m

sage: E.q_eigenform(10)
 
\(q - q^{3} - 2 q^{5} + q^{9} + 4 q^{11} - 2 q^{13} + 2 q^{15} + q^{17} - 4 q^{19} + O(q^{20})\) 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 LMFDB numbering.

\(\left(\begin{array}{rrrr} 1 & 4 & 2 & 4 \\ 4 & 1 & 2 & 4 \\ 2 & 2 & 1 & 2 \\ 4 & 4 & 2 & 1 \end{array}\right)\)

Isogeny graph

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

The vertices are labelled with LMFDB labels.