Cremona's table of elliptic curves

42090 = 2 · 3 · 5 · 23 · 61

Class	r	Atkin-Lehner	Eigenvalues
42090a (2 curves)	1	2+ 3+ 5+ 23+ 61+	2+ 3+ 5+ -2  6 -2  2  4
Curve Equation t Generators 42090a1 [1,1,0,-170343,-28077003] 2 [51997949014:-1801855609795:39651821] 42090a2 [1,1,0,-2751863,-1758211707] 2 [-28542754:12809543:29791]
42090b (1 curve)	1	2+ 3+ 5- 23+ 61-	2+ 3+ 5-  1 -6  5 -2 -6
Curve Equation t Generators 42090b1 [1,1,0,-1213342,-527922956] 1 [3243:170591:1]
42090c (4 curves)	1	2+ 3+ 5- 23+ 61-	2+ 3+ 5-  4  4 -2 -2  4
Curve Equation t Generators 42090c1 [1,1,0,153,20709] 2 [23:181:1] 42090c2 [1,1,0,-10427,395241] 4 [17:464:1] 42090c3 [1,1,0,-24457,-915161] 2 [173:176:1] 42090c4 [1,1,0,-165677,25887291] 2 [247:209:1]
42090d (2 curves)	1	2+ 3+ 5- 23- 61+	2+ 3+ 5-  0  0 -2 -6  0
Curve Equation t Generators 42090d1 [1,1,0,613,-3939] 2 [7:24:1] 42090d2 [1,1,0,-3067,-38531] 2 [-47:91:1]
42090e (1 curve)	1	2+ 3- 5+ 23- 61+	2+ 3- 5+  1 -1  4  4 -1
Curve Equation t Generators 42090e1 [1,0,1,-104774,12983672] 1 [336:3799:1]
42090f (2 curves)	2	2+ 3- 5+ 23- 61-	2+ 3- 5+ -1 -3 -4  0 -7
Curve Equation t Generators 42090f1 [1,0,1,-1154,14906] 3 [-36:118:1]&[-22:183:1] 42090f2 [1,0,1,-7019,-216658] 1 [-52:117:1]&[-362:927:8]
42090g (1 curve)	0	2+ 3- 5+ 23- 61-	2+ 3- 5+  3 -2 -1  6 -2
Curve Equation t 42090g1 [1,0,1,-31224,2121022] 1
42090h (1 curve)	1	2+ 3- 5- 23+ 61+	2+ 3- 5-  1 -2  3  2 -2
Curve Equation t Generators 42090h1 [1,0,1,4502,365756] 1 [-20:-508:1]
42090i (2 curves)	1	2+ 3- 5- 23+ 61+	2+ 3- 5- -2 -2 -6  2  4
Curve Equation t Generators 42090i1 [1,0,1,-176231763,900466024366] 2 [59533973:-1108828848:6859] 42090i2 [1,0,1,-2819708243,57630528675758] 2 [210281493:-105148592:6859]
42090j (1 curve)	0	2+ 3- 5- 23+ 61-	2+ 3- 5-  1 -3  2  6 -1
Curve Equation t 42090j1 [1,0,1,-120253,-16060552] 1
42090k (1 curve)	0	2+ 3- 5- 23- 61+	2+ 3- 5-  1  6 -5  2  6
Curve Equation t 42090k1 [1,0,1,22,-22] 1
42090l (2 curves)	1	2+ 3- 5- 23- 61-	2+ 3- 5-  0  2  2  0  2
Curve Equation t Generators 42090l1 [1,0,1,-763,8006] 2 [10:32:1] 42090l2 [1,0,1,-363,16486] 2 [-13:144:1]
42090m (4 curves)	0	2- 3+ 5+ 23+ 61+	2- 3+ 5+  0  4 -2 -2 -4
Curve Equation t 42090m1 [1,1,1,-121,-457] 2 42090m2 [1,1,1,-621,5343] 4 42090m3 [1,1,1,529,24203] 2 42090m4 [1,1,1,-9771,367683] 2
42090n (2 curves)	0	2- 3+ 5+ 23- 61-	2- 3+ 5+  4  0  2  6  4
Curve Equation t 42090n1 [1,1,1,5744,-2290831] 2 42090n2 [1,1,1,-229776,-41104527] 2
42090o (1 curve)	1	2- 3+ 5- 23+ 61+	2- 3+ 5-  1  1  4 -8 -1
Curve Equation t Generators 42090o1 [1,1,1,-8036005,8763888875] 1 [1543:5628:1]
42090p (4 curves)	0	2- 3+ 5- 23+ 61-	2- 3+ 5- -4  0  6  2  4
Curve Equation t 42090p1 [1,1,1,17350,3732167] 4 42090p2 [1,1,1,-280330,53027975] 4 42090p3 [1,1,1,-925710,-281020713] 2 42090p4 [1,1,1,-4397830,3547961975] 2
42090q (1 curve)	1	2- 3+ 5- 23- 61-	2- 3+ 5- -2  0  3  5  1
Curve Equation t Generators 42090q1 [1,1,1,-3145,-102793] 1 [77:306:1]
42090r (4 curves)	1	2- 3- 5+ 23+ 61+	2- 3- 5+  0  4  2 -6  0
Curve Equation t Generators 42090r1 [1,0,0,974,-3964] 2 [8:62:1] 42090r2 [1,0,0,-4146,-33660] 4 [-54:210:1] 42090r3 [1,0,0,-37266,2741796] 2 [126:162:1] 42090r4 [1,0,0,-52946,-4689180] 2 [-134:130:1]
42090s (1 curve)	2	2- 3- 5+ 23+ 61-	2- 3- 5+ -3 -5 -4  0 -7
Curve Equation t Generators 42090s1 [1,0,0,-3856,71936] 1 [56:152:1]&[-64:272:1]
42090t (2 curves)	1	2- 3- 5+ 23- 61-	2- 3- 5+  0 -2 -4 -6  4
Curve Equation t Generators 42090t1 [1,0,0,-576,-5184] 2 [-12:12:1] 42090t2 [1,0,0,-1496,15240] 2 [-2:-134:1]
42090u (2 curves)	0	2- 3- 5- 23+ 61+	2- 3- 5-  2 -2 -6  6  4
Curve Equation t 42090u1 [1,0,0,-40975,-3743383] 2 42090u2 [1,0,0,-686355,-218913075] 2
42090v (2 curves)	0	2- 3- 5- 23+ 61+	2- 3- 5-  4 -6  4  6  0
Curve Equation t 42090v1 [1,0,0,-41235,-7870275] 2 42090v2 [1,0,0,-897065,-326752533] 2
42090w (1 curve)	1	2- 3- 5- 23+ 61-	2- 3- 5- -2  0 -1 -3  1
Curve Equation t Generators 42090w1 [1,0,0,-43353890,-3169360179900] 1 [22060:2559910:1]
42090x (1 curve)	1	2- 3- 5- 23- 61+	2- 3- 5-  1 -3 -6  2 -3
Curve Equation t Generators 42090x1 [1,0,0,-185,-975] 1 [-8:7:1]
42090y (2 curves)	1	2- 3- 5- 23- 61+	2- 3- 5- -2  0  0  2  0
Curve Equation t Generators 42090y1 [1,0,0,-195500,60204432] 2 [184:-5612:1] 42090y2 [1,0,0,-3787180,2835136400] 2 [-1240:75620:1]

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