Cremona's table of elliptic curves
Conductor 228
228 = 2
2
· 3 · 19
Isogeny classes of curves of conductor 228
[newforms of level 228]
Class
r
Atkin-Lehner
Eigenvalues
228a
(2 curves)
0
2
-
3
+
19
+
2
-
3
+
2
0
2
2
6
19
+
Curve
Equation
t
228a1
[0,-1,0,3,18]
2
228a2
[0,-1,0,-92,360]
2
228b
(1 curve)
1
2
-
3
+
19
-
2
-
3
+
-3
1
-5
-6
-5
19
-
Curve
Equation
t
Generators
228b1
[0,-1,0,3,9]
1
[3:-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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