Cremona's table of elliptic curves
Conductor 21538
21538 = 2 · 11
2
· 89
Isogeny classes of curves of conductor 21538
[newforms of level 21538]
Class
r
Atkin-Lehner
Eigenvalues
21538a
(2 curves)
0
2
+
11
-
89
+
2
+
1
3
4
11
-
-2
-3
-5
Curve
Equation
t
21538a1
[1,0,1,723,37992]
1
21538a2
[1,0,1,-67037,6678472]
1
21538b
(4 curves)
1
2
+
11
-
89
-
2
+
0
-2
0
11
-
-2
-2
0
Curve
Equation
t
Generators
21538b1
[1,-1,0,-27308,-1729920]
2
[2060:92140:1]
21538b2
[1,-1,0,-29728,-1403220]
4
[29545:257167:125]
21538b3
[1,-1,0,77962,-9307666]
2
[14732055:-256959298:91125]
21538b4
[1,-1,0,-176138,27380986]
2
[837:21164:1]
21538c
(2 curves)
0
2
-
11
-
89
-
2
-
2
2
0
11
-
4
-2
2
Curve
Equation
t
21538c1
[1,1,1,-5387,-133319]
2
21538c2
[1,1,1,-82827,-9209287]
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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