Cremona's table of elliptic curves

2640 = 2⁴ · 3 · 5 · 11

Class	r	Atkin-Lehner	Eigenvalues
2640a (2 curves)	1	2+ 3+ 5+ 11+	2+ 3+ 5+  2 11+  0 -8  8
Curve Equation t Generators 2640a1 [0,-1,0,309,-2034] 2 [330:5994:1] 2640a2 [0,-1,0,-1716,-17424] 2 [-12:36:1]
2640b (2 curves)	1	2+ 3+ 5+ 11+	2+ 3+ 5+ -2 11+  0  4  4
Curve Equation t Generators 2640b1 [0,-1,0,-371,2970] 2 [14:18:1] 2640b2 [0,-1,0,-5996,180720] 2 [44:12:1]
2640c (2 curves)	0	2+ 3+ 5+ 11-	2+ 3+ 5+  2 11-  0  4 -4
Curve Equation t 2640c1 [0,-1,0,-8931,-319050] 2 2640c2 [0,-1,0,-2276,-790224] 2
2640d (2 curves)	0	2+ 3+ 5+ 11-	2+ 3+ 5+  2 11- -4  4  0
Curve Equation t 2640d1 [0,-1,0,-131,-534] 2 2640d2 [0,-1,0,-76,-1040] 2
2640e (4 curves)	0	2+ 3+ 5- 11+	2+ 3+ 5-  4 11+ -6 -2  4
Curve Equation t 2640e1 [0,-1,0,-3415,-75650] 2 2640e2 [0,-1,0,-4020,-46368] 4 2640e3 [0,-1,0,-31520,2131632] 2 2640e4 [0,-1,0,13800,-360000] 4
2640f (6 curves)	1	2+ 3+ 5- 11-	2+ 3+ 5-  0 11- -2  2 -4
Curve Equation t Generators 2640f1 [0,-1,0,65,142] 2 [14:60:1] 2640f2 [0,-1,0,-340,1600] 4 [0:40:1] 2640f3 [0,-1,0,-2320,-41168] 2 [-26:30:1] 2640f4 [0,-1,0,-4840,131200] 8 [-58:462:1] 2640f5 [0,-1,0,-77440,8320480] 4 [602:13398:1] 2640f6 [0,-1,0,-4240,164320] 4 [21:290:1]
2640g (2 curves)	0	2+ 3- 5+ 11+	2+ 3- 5+  2 11+  4  0  4
Curve Equation t 2640g1 [0,1,0,-11,-36] 2 2640g2 [0,1,0,-236,-1476] 2
2640h (2 curves)	1	2+ 3- 5+ 11-	2+ 3- 5+  2 11- -4 -4 -8
Curve Equation t Generators 2640h1 [0,1,0,-10931,436260] 2 [64:54:1] 2640h2 [0,1,0,-10876,440924] 2 [14:540:1]
2640i (2 curves)	1	2+ 3- 5+ 11-	2+ 3- 5+ -2 11- -4  0  4
Curve Equation t Generators 2640i1 [0,1,0,-11,0] 2 [4:6:1] 2640i2 [0,1,0,44,44] 2 [2:12:1]
2640j (4 curves)	1	2+ 3- 5+ 11-	2+ 3- 5+ -4 11-  2  2  4
Curve Equation t Generators 2640j1 [0,1,0,-276,-1860] 2 [26:96:1] 2640j2 [0,1,0,-296,-1596] 4 [-8:18:1] 2640j3 [0,1,0,-1616,23220] 2 [36:114:1] 2640j4 [0,1,0,704,-9196] 4 [14:60:1]
2640k (4 curves)	1	2+ 3- 5- 11+	2+ 3- 5-  0 11+ -6 -6  0
Curve Equation t Generators 2640k1 [0,1,0,-55,140] 2 [156:188:27] 2640k2 [0,1,0,-60,108] 4 [11:30:1] 2640k3 [0,1,0,-360,-2652] 2 [23:42:1] 2640k4 [0,1,0,160,900] 4 [-2:24:1]
2640l (4 curves)	1	2+ 3- 5- 11+	2+ 3- 5- -4 11+  2 -2 -4
Curve Equation t Generators 2640l1 [0,1,0,-55,8] 2 [8:12:1] 2640l2 [0,1,0,-660,6300] 4 [3:66:1] 2640l3 [0,1,0,-10560,414180] 2 [63:54:1] 2640l4 [0,1,0,-440,10788] 4 [-14:120:1]
2640m (6 curves)	0	2+ 3- 5- 11-	2+ 3- 5-  0 11- -2 -6  4
Curve Equation t 2640m1 [0,1,0,-175,-1552] 2 2640m2 [0,1,0,-3300,-74052] 4 2640m3 [0,1,0,-52800,-4687452] 2 2640m4 [0,1,0,-3800,-50652] 8 2640m5 [0,1,0,-28000,1759508] 4 2640m6 [0,1,0,12400,-355212] 4
2640n (4 curves)	0	2+ 3- 5- 11-	2+ 3- 5-  4 11-  2  6 -4
Curve Equation t 2640n1 [0,1,0,25,0] 2 2640n2 [0,1,0,-100,-100] 4 2640n3 [0,1,0,-1200,-16380] 2 2640n4 [0,1,0,-1000,11780] 4
2640o (4 curves)	0	2- 3+ 5+ 11+	2- 3+ 5+ -2 11+  2  0 -2
Curve Equation t 2640o1 [0,-1,0,219,4500] 2 2640o2 [0,-1,0,-3156,63900] 2 2640o3 [0,-1,0,-15621,757296] 2 2640o4 [0,-1,0,-249996,48194796] 2
2640p (4 curves)	1	2- 3+ 5+ 11-	2- 3+ 5+  4 11- -4 -6 -2
Curve Equation t Generators 2640p1 [0,-1,0,-41,-120] 2 [116:1242:1] 2640p2 [0,-1,0,-716,-7140] 2 [938:9821:8] 2640p3 [0,-1,0,319,1356] 2 [8:66:1] 2640p4 [0,-1,0,-1556,13356] 2 [-35:154:1]
2640q (6 curves)	0	2- 3+ 5- 11-	2- 3+ 5-  0 11- -2  2  4
Curve Equation t 2640q1 [0,-1,0,80,-1088] 2 2640q2 [0,-1,0,-1200,-14400] 4 2640q3 [0,-1,0,-18800,-985920] 2 2640q4 [0,-1,0,-4080,84672] 8 2640q5 [0,-1,0,-62160,5985600] 4 2640q6 [0,-1,0,7920,478272] 4
2640r (4 curves)	1	2- 3- 5+ 11+	2- 3- 5+  0 11+  2 -2 -8
Curve Equation t Generators 2640r1 [0,1,0,-22296,1274004] 2 [54:480:1] 2640r2 [0,1,0,-22616,1235220] 4 [-74:1584:1] 2640r3 [0,1,0,-66616,-5083180] 2 [-178:1080:1] 2640r4 [0,1,0,16264,5076564] 2 [-20:2178:1]
2640s (2 curves)	1	2- 3- 5+ 11+	2- 3- 5+  0 11+ -4 -2 -2
Curve Equation t Generators 2640s1 [0,1,0,-1,-10] 2 [14:54:1] 2640s2 [0,1,0,-76,-280] 2 [122:387:8]
2640t (2 curves)	0	2- 3- 5+ 11-	2- 3- 5+  2 11-  2  8  2
Curve Equation t 2640t1 [0,1,0,-21,54] 2 2640t2 [0,1,0,-396,2904] 2
2640u (4 curves)	0	2- 3- 5+ 11-	2- 3- 5+ -4 11-  2  2 -4
Curve Equation t 2640u1 [0,1,0,-644256,-188268300] 2 2640u2 [0,1,0,-1954976,819937524] 4 2640u3 [0,1,0,-29326496,61113921780] 2 2640u4 [0,1,0,4445024,5072097524] 4
2640v (6 curves)	0	2- 3- 5- 11+	2- 3- 5-  0 11+  6  2  4
Curve Equation t 2640v1 [0,1,0,4080,-8172] 2 2640v2 [0,1,0,-16400,-81900] 4 2640v3 [0,1,0,-189200,-31669740] 2 2640v4 [0,1,0,-171280,27115028] 8 2640v5 [0,1,0,-2737360,1742282900] 4 2640v6 [0,1,0,-83280,55028628] 4
2640w (4 curves)	0	2- 3- 5- 11+	2- 3- 5-  4 11+ -2 -2  8
Curve Equation t 2640w1 [0,1,0,-360,2100] 2 2640w2 [0,1,0,-1640,-24012] 4 2640w3 [0,1,0,-25640,-1588812] 2 2640w4 [0,1,0,1880,-109900] 4

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