Cremona's table of elliptic curves
Conductor 1891
1891 = 31 · 61
Isogeny classes of curves of conductor 1891
[newforms of level 1891]
Class
r
Atkin-Lehner
Eigenvalues
1891a
(1 curve)
1
31
+
61
+
1
2
-3
3
-3
5
-8
-4
Curve
Equation
t
Generators
1891a1
[1,1,0,91,-106]
1
[202:2782:1]
1891b
(1 curve)
1
31
+
61
+
-1
2
-3
-3
3
5
-4
8
Curve
Equation
t
Generators
1891b1
[1,1,1,-51832,-4563578]
1
[802:21290:1]
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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