Cremona's table of elliptic curves

77900 = 2² · 5² · 19 · 41

Class	r	Atkin-Lehner	Eigenvalues
77900a (1 curve)	1	2- 5+ 19+ 41-	2-  0 5+  1 -5  0 -3 19+
Curve Equation t Generators 77900a1 [0,0,0,-1400,26500] 1 [24:82:1]
77900b (2 curves)	1	2- 5+ 19- 41+	2- -2 5+  4  4 -2  0 19-
Curve Equation t Generators 77900b1 [0,1,0,-32533,-2011812] 2 [-91:451:1] 77900b2 [0,1,0,-129908,15905188] 2 [384:4774:1]
77900c (1 curve)	0	2- 5+ 19- 41-	2-  1 5+ -2  2  1  6 19-
Curve Equation t 77900c1 [0,1,0,2867,32863] 1
77900d (2 curves)	2	2- 5+ 19- 41-	2- -1 5+ -2  0 -5 -6 19-
Curve Equation t Generators 77900d1 [0,-1,0,-31414533,67781493937] 1 [3432:19475:1]&[6472:368125:1] 77900d2 [0,-1,0,-29610533,75906627937] 1 [2987:-118750:1]&[1752:171475:1]
77900e (1 curve)	2	2- 5+ 19- 41-	2- -1 5+ -2 -4 -5  2 19-
Curve Equation t Generators 77900e1 [0,-1,0,-533,-14063] 1 [32:25:1]&[47:250:1]
77900f (1 curve)	2	2- 5+ 19- 41-	2- -3 5+ -4  2  1  0 19-
Curve Equation t Generators 77900f1 [0,0,0,6800,506500] 1 [140:-2050:1]&[80:1250:1]

Data from Elliptic Curve Data by J. E. Cremona.
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