Cremona's table of elliptic curves

195 = 3 · 5 · 13

Class	r	Atkin-Lehner	Eigenvalues
195d (1 curve)	0	3+ 5- 13+	2 3+ 5-  3 -1 13+ -1 -2
Curve Equation t 195d1 [0,-1,1,-190,1101] 1
195c (1 curve)	0	3- 5+ 13+	2 3- 5+ -1  5 13+ -7 -6
Curve Equation t 195c1 [0,1,1,-66,-349] 1
195a (8 curves)	0	3- 5- 13-	-1 3- 5-  0  4 13-  2 -4
Curve Equation t 195a1 [1,0,0,-110,435] 4 195a2 [1,0,0,-115,392] 8 195a3 [1,0,0,-520,-4225] 8 195a4 [1,0,0,210,2277] 4 195a5 [1,0,0,-8125,-282568] 4 195a6 [1,0,0,605,-19750] 4 195a7 [1,0,0,-130000,-18051943] 2 195a8 [1,0,0,-7930,-296725] 2
195b (1 curve)	0	3- 5- 13-	2 3- 5- -3 -5 13-  5  2
Curve Equation t 195b1 [0,1,1,0,-1] 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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