Cremona's table of elliptic curves
Conductor 1805
1805 = 5 · 19
2
Isogeny classes of curves of conductor 1805
[newforms of level 1805]
Class
r
Atkin-Lehner
Eigenvalues
1805a
(2 curves)
1
5
+
19
+
0
-2
5
+
-4
3
2
6
19
+
Curve
Equation
t
Generators
1805a1
[0,1,1,-36581,2679900]
3
[-78:2250:1]
1805a2
[0,1,1,-105171,-9810339]
1
[-241:1263:1]
1805b
(2 curves)
0
5
+
19
-
0
2
5
+
-4
3
-2
6
19
-
Curve
Equation
t
1805b1
[0,-1,1,-101,-359]
1
1805b2
[0,-1,1,-291,1522]
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