Cremona's table of elliptic curves

19780 = 2² · 5 · 23 · 43

Class	r	Atkin-Lehner	Eigenvalues
19780a (1 curve)	0	2- 5+ 23+ 43+	2-  3 5+  2  6  3  0  4
Curve Equation t 19780a1 [0,0,0,1307,-16867] 1
19780b (1 curve)	1	2- 5+ 23- 43+	2-  1 5+ -4 -1 -1  0  2
Curve Equation t Generators 19780b1 [0,1,0,-1904676,-1012400476] 1 [2713964:79701730:1331]
19780c (1 curve)	1	2- 5+ 23- 43+	2- -2 5+  5 -4  2  3  8
Curve Equation t Generators 19780c1 [0,1,0,-261,8935] 1 [9:86:1]
19780d (1 curve)	1	2- 5+ 23- 43+	2- -3 5+  4  3 -5  0  2
Curve Equation t Generators 19780d1 [0,0,0,17,118] 1 [-1:10:1]
19780e (2 curves)	0	2- 5- 23+ 43-	2-  0 5-  0 -6  6  8  8
Curve Equation t 19780e1 [0,0,0,-148352,-19116279] 2 19780e2 [0,0,0,242273,-102788154] 2
19780f (2 curves)	0	2- 5- 23+ 43-	2-  1 5- -4 -3 -1  0  2
Curve Equation t 19780f1 [0,1,0,-2937220,2220908068] 3 19780f2 [0,1,0,20187780,-10341341932] 1
19780g (1 curve)	0	2- 5- 23+ 43-	2-  2 5-  3  2  2 -3  6
Curve Equation t 19780g1 [0,-1,0,275,-375] 1
19780h (1 curve)	1	2- 5- 23- 43-	2- -1 5- -2  1 -1 -6  2
Curve Equation t Generators 19780h1 [0,-1,0,-180,1000] 1 [10:-10:1]

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