Cremona's table of elliptic curves
Conductor 140
140 = 2
2
· 5 · 7
Isogeny classes of curves of conductor 140
[newforms of level 140]
Class
r
Atkin-Lehner
Eigenvalues
140b
(1 curve)
0
2
-
5
+
7
+
2
-
3
5
+
7
+
-5
-3
-1
6
Curve
Equation
t
140b1
[0,0,0,32,212]
1
140a
(2 curves)
0
2
-
5
-
7
-
2
-
1
5
-
7
-
3
-1
-3
2
Curve
Equation
t
140a1
[0,1,0,-5,-25]
3
140a2
[0,1,0,-805,-9065]
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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