Cremona's table of elliptic curves
Conductor 2021
2021 = 43 · 47
Isogeny classes of curves of conductor 2021
[newforms of level 2021]
Class
r
Atkin-Lehner
Eigenvalues
2021a
(1 curve)
2
43
-
47
+
-2
0
0
-4
-3
-7
-3
-8
Curve
Equation
t
Generators
2021a1
[0,0,1,-65,202]
1
[4:2:1]&[10:23:1]
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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