Cremona's table of elliptic curves
Conductor 231
231 = 3 · 7 · 11
Isogeny classes of curves of conductor 231
[newforms of level 231]
Class
r
Atkin-Lehner
Eigenvalues
231a
(6 curves)
0
3
+
7
-
11
+
-1
3
+
-2
7
-
11
+
6
2
4
Curve
Equation
t
231a1
[1,1,1,-34,62]
4
231a2
[1,1,1,-39,36]
8
231a3
[1,1,1,-284,-1924]
4
231a4
[1,1,1,126,432]
4
231a5
[1,1,1,-4519,-118810]
2
231a6
[1,1,1,31,-5578]
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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