Cremona's table of elliptic curves

19995 = 3 · 5 · 31 · 43

Class	r	Atkin-Lehner	Eigenvalues
19995a (2 curves)	1	3+ 5+ 31- 43-	-1 3+ 5+ -2  0 -6  0 -6
Curve Equation t Generators 19995a1 [1,1,1,-261,1458] 2 [6:9:1] 19995a2 [1,1,1,-4136,100658] 2 [26:94:1]
19995b (1 curve)	1	3+ 5+ 31- 43-	-2 3+ 5+ -3 -5  3  4  6
Curve Equation t Generators 19995b1 [0,-1,1,-126,-544] 1 [14:15:1]
19995c (2 curves)	0	3+ 5- 31+ 43+	1 3+ 5-  2  4 -6 -4 -2
Curve Equation t 19995c1 [1,1,0,-2217,-39456] 2 19995c2 [1,1,0,-6092,130269] 2
19995d (2 curves)	1	3+ 5- 31+ 43-	-1 3+ 5-  0  4 -4  0  2
Curve Equation t Generators 19995d1 [1,1,1,30,30] 2 [0:5:1] 19995d2 [1,1,1,-125,92] 2 [-10:26:1]
19995e (4 curves)	1	3+ 5- 31- 43+	-1 3+ 5- -4 -4  6  6  0
Curve Equation t Generators 19995e1 [1,1,1,-2000,30992] 4 [32:16:1] 19995e2 [1,1,1,-6805,-182350] 4 [-62:108:1] 19995e3 [1,1,1,-103680,-12892350] 2 [-187:108:1] 19995e4 [1,1,1,13190,-1030138] 2 [67:366:1]
19995f (1 curve)	1	3+ 5- 31- 43+	2 3+ 5-  5 -1 -3  0 -6
Curve Equation t Generators 19995f1 [0,-1,1,40,143] 1 [-1790:7419:1000]
19995g (2 curves)	1	3- 5+ 31- 43+	-1 3- 5+  2 -2  2 -2 -4
Curve Equation t Generators 19995g1 [1,0,0,-166,-325] 2 [-7:26:1] 19995g2 [1,0,0,609,-2340] 2 [24:150:1]
19995h (1 curve)	1	3- 5- 31+ 43+	0 3- 5-  1 -5  1  4  0
Curve Equation t Generators 19995h1 [0,1,1,-335,2306] 1 [10:7:1]
19995i (2 curves)	1	3- 5- 31- 43-	1 3- 5- -2  0  2  0 -2
Curve Equation t Generators 19995i1 [1,0,1,-15128,714881] 2 [75:22:1] 19995i2 [1,0,1,-15283,699443] 2 [19:635:1]

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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