Cremona's table of elliptic curves
Conductor 2556
2556 = 2
2
· 3
2
· 71
Isogeny classes of curves of conductor 2556
[newforms of level 2556]
Class
r
Atkin-Lehner
Eigenvalues
2556a
(2 curves)
0
2
-
3
+
71
+
2
-
3
+
4
2
4
6
-6
-4
Curve
Equation
t
2556a1
[0,0,0,-648,6345]
2
2556a2
[0,0,0,-783,3510]
2
2556b
(2 curves)
1
2
-
3
+
71
-
2
-
3
+
-4
2
-4
6
6
-4
Curve
Equation
t
Generators
2556b1
[0,0,0,-72,-235]
2
[43:276:1]
2556b2
[0,0,0,-87,-130]
2
[-2:6:1]
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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