Cremona's table of elliptic curves

2940 = 2² · 3 · 5 · 7²

Class	r	Atkin-Lehner	Eigenvalues
2940a (1 curve)	0	2- 3+ 5+ 7+	2- 3+ 5+ 7+ -4  7 -6  3
Curve Equation t 2940a1 [0,-1,0,-23781,-1410975] 1
2940b (2 curves)	1	2- 3+ 5+ 7-	2- 3+ 5+ 7-  2 -4 -2  2
Curve Equation t Generators 2940b1 [0,-1,0,-261,-510] 2 [26:98:1] 2940b2 [0,-1,0,964,-4920] 2 [89:882:1]
2940c (2 curves)	1	2- 3+ 5+ 7-	2- 3+ 5+ 7- -6  0  6  4
Curve Equation t Generators 2940c1 [0,-1,0,-30641,-1998534] 2 [-89:125:1] 2940c2 [0,-1,0,-73516,4878616] 2 [-114:3430:1]
2940d (1 curve)	1	2- 3+ 5- 7+	2- 3+ 5- 7+ -2  1 -4 -1
Curve Equation t Generators 2940d1 [0,-1,0,915,79017] 1 [-16:245:1]
2940e (2 curves)	0	2- 3+ 5- 7-	2- 3+ 5- 7-  2 -4  2  0
Curve Equation t 2940e1 [0,-1,0,-74545,6778150] 2 2940e2 [0,-1,0,-1146420,472829400] 2
2940f (4 curves)	0	2- 3+ 5- 7-	2- 3+ 5- 7-  6  4 -6 -2
Curve Equation t 2940f1 [0,-1,0,-3005,-62250] 2 2940f2 [0,-1,0,-1780,-114680] 2 2940f3 [0,-1,0,-14765,642762] 2 2940f4 [0,-1,0,15860,2933512] 2
2940g (2 curves)	0	2- 3- 5+ 7-	2- 3- 5+ 7-  2  4 -2  0
Curve Equation t 2940g1 [0,1,0,-1521,-20196] 2 2940g2 [0,1,0,-23396,-1385196] 2
2940h (1 curve)	0	2- 3- 5+ 7-	2- 3- 5+ 7- -2 -1  4  1
Curve Equation t 2940h1 [0,1,0,19,-225] 1
2940i (2 curves)	0	2- 3- 5+ 7-	2- 3- 5+ 7- -2 -4 -2 -2
Curve Equation t 2940i1 [0,1,0,-27701,-1783776] 2 2940i2 [0,1,0,-26476,-1947436] 2
2940j (2 curves)	1	2- 3- 5- 7-	2- 3- 5- 7-  2 -4 -6 -6
Curve Equation t Generators 2940j1 [0,1,0,-199005,-22785372] 2 [-159:2205:1] 2940j2 [0,1,0,566620,-155085372] 2 [436:13230:1]
2940k (1 curve)	1	2- 3- 5- 7-	2- 3- 5- 7- -4 -7  6 -3
Curve Equation t Generators 2940k1 [0,1,0,-485,3975] 1 [25:-90:1]
2940l (2 curves)	1	2- 3- 5- 7-	2- 3- 5- 7- -6  0 -6 -4
Curve Equation t Generators 2940l1 [0,1,0,-625,5648] 2 [-19:105:1] 2940l2 [0,1,0,-1500,-14652] 2 [-24:90:1]

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