Cremona's table of elliptic curves
Conductor 520
520 = 2
3
· 5 · 13
Isogeny classes of curves of conductor 520
[newforms of level 520]
Class
r
Atkin-Lehner
Eigenvalues
520a
(4 curves)
1
2
+
5
+
13
+
2
+
0
5
+
0
-4
13
+
-6
4
Curve
Equation
t
Generators
520a1
[0,0,0,-23,42]
2
[-1:8:1]
520a2
[0,0,0,-43,-42]
4
[-2:6:1]
520a3
[0,0,0,-563,-5138]
2
[338:1725:8]
520a4
[0,0,0,157,-322]
2
[38:246:1]
520b
(2 curves)
0
2
-
5
-
13
-
2
-
2
5
-
0
2
13
-
2
2
Curve
Equation
t
520b1
[0,-1,0,-20,-28]
2
520b2
[0,-1,0,0,-100]
2
Data from
Elliptic Curve Data
by J. E. Cremona.
Design inspired by
The Modular Forms Explorer
by William Stein.
Part of
Computational Number Theory
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