Cremona's table of elliptic curves
Conductor 21804
21804 = 2
2
· 3 · 23 · 79
Isogeny classes of curves of conductor 21804
[newforms of level 21804]
Class
r
Atkin-Lehner
Eigenvalues
21804a
(1 curve)
0
2
-
3
+
23
+
79
+
2
-
3
+
1
0
5
2
4
-6
Curve
Equation
t
21804a1
[0,-1,0,-165,-3951]
1
21804b
(1 curve)
2
2
-
3
-
23
-
79
+
2
-
3
-
-3
-4
-3
-6
6
2
Curve
Equation
t
Generators
21804b1
[0,1,0,-1997,33999]
1
[61:-378:1]&[13:102:1]
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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