Cremona's table of elliptic curves
Conductor 20769
20769 = 3 · 7 · 23 · 43
Isogeny classes of curves of conductor 20769
[newforms of level 20769]
Class
r
Atkin-Lehner
Eigenvalues
20769a
(2 curves)
1
3
+
7
+
23
-
43
-
1
3
+
4
7
+
0
-6
2
-4
Curve
Equation
t
Generators
20769a1
[1,1,0,-7003,287200]
2
[350:1895:8]
20769a2
[1,1,0,-120738,16096365]
2
[-21580:286905:64]
20769b
(1 curve)
1
3
+
7
+
23
-
43
-
-2
3
+
-2
7
+
-3
6
2
-7
Curve
Equation
t
Generators
20769b1
[0,-1,1,-64,-354]
1
[12:21:1]
20769c
(4 curves)
1
3
-
7
+
23
+
43
-
1
3
-
2
7
+
-4
6
-6
4
Curve
Equation
t
Generators
20769c1
[1,0,1,45,-47]
2
[12547171:48705749:753571]
20769c2
[1,0,1,-200,-439]
4
[-1659:7678:343]
20769c3
[1,0,1,-2615,-51637]
2
[-58381974:37503089:2000376]
20769c4
[1,0,1,-1705,26651]
2
[-11:215:1]
Data from
Elliptic Curve Data
by J. E. Cremona.
Design inspired by
The Modular Forms Explorer
by William Stein.
Part of
Computational Number Theory
Back to
Tables and computations