Cremona's table of elliptic curves
Conductor 644
644 = 2
2
· 7 · 23
Isogeny classes of curves of conductor 644
[newforms of level 644]
Class
r
Atkin-Lehner
Eigenvalues
644a
(1 curve)
1
2
-
7
+
23
-
2
-
1
-2
7
+
-2
-1
0
-6
Curve
Equation
t
Generators
644a1
[0,1,0,6,-43]
1
[13:49:1]
644b
(1 curve)
1
2
-
7
-
23
+
2
-
-1
0
7
-
-2
-3
0
0
Curve
Equation
t
Generators
644b1
[0,-1,0,2,-7]
1
[4:7:1]
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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