Cremona's table of elliptic curves

89838 = 2 · 3² · 7 · 23 · 31

Class	r	Atkin-Lehner	Eigenvalues
89838a (1 curve)	1	2+ 3+ 7+ 23+ 31+	2+ 3+ -1 7+ -6 -1 -2  2
Curve Equation t Generators 89838a1 [1,-1,0,-143085,-1060776283] 1 [42151022:96732525575:8]
89838b (1 curve)	0	2+ 3+ 7+ 23- 31+	2+ 3+  3 7+  2  1 -2 -6
Curve Equation t 89838b1 [1,-1,0,-543963,565790117] 1
89838c (1 curve)	0	2+ 3+ 7- 23- 31-	2+ 3+  1 7-  5 -3  7  1
Curve Equation t 89838c1 [1,-1,0,-3309,-154459] 1
89838d (2 curves)	0	2+ 3+ 7- 23- 31-	2+ 3+  3 7-  0  2 -6  5
Curve Equation t 89838d1 [1,-1,0,3072,105282] 3 89838d2 [1,-1,0,-29013,-3748483] 1
89838e (4 curves)	0	2+ 3- 7+ 23+ 31+	2+ 3-  2 7+  0  2 -2 -4
Curve Equation t 89838e1 [1,-1,0,101514,-14482828] 2 89838e2 [1,-1,0,-635766,-142032268] 4 89838e3 [1,-1,0,-3682806,2607007220] 2 89838e4 [1,-1,0,-9385206,-11063083276] 2
89838f (2 curves)	0	2+ 3- 7+ 23+ 31+	2+ 3-  2 7+  2 -4 -6  0
Curve Equation t 89838f1 [1,-1,0,-56052081,190744880157] 2 89838f2 [1,-1,0,-941156721,11113113158685] 2
89838g (4 curves)	1	2+ 3- 7+ 23+ 31-	2+ 3-  2 7+  4 -6  2  4
Curve Equation t Generators 89838g1 [1,-1,0,504,12352] 2 [9:128:1] 89838g2 [1,-1,0,-5976,161392] 4 [-19:527:1] 89838g3 [1,-1,0,-22716,-1140980] 2 [195:1250:1] 89838g4 [1,-1,0,-92916,10924564] 4 [233:1256:1]
89838h (1 curve)	1	2+ 3- 7+ 23- 31+	2+ 3- -3 7+  5 -3 -7  7
Curve Equation t Generators 89838h1 [1,-1,0,-24606,-1603274] 1 [629:14900:1]
89838i (1 curve)	1	2+ 3- 7- 23+ 31+	2+ 3- -1 7-  2 -5 -6 -6
Curve Equation t Generators 89838i1 [1,-1,0,-7425,-3791043] 1 [183:885:1]
89838j (2 curves)	1	2+ 3- 7- 23+ 31+	2+ 3-  2 7-  4 -6  6 -4
Curve Equation t Generators 89838j1 [1,-1,0,-9441,-11843843] 2 [531:11252:1] 89838j2 [1,-1,0,-838881,-292360451] 2 [-535:2027:1]
89838k (2 curves)	0	2+ 3- 7- 23+ 31-	2+ 3- -1 7- -2 -6  2 -5
Curve Equation t 89838k1 [1,-1,0,-1131763365,14745640091157] 1 89838k2 [1,-1,0,-708564803805,229571415882783117] 1
89838l (2 curves)	0	2+ 3- 7- 23+ 31-	2+ 3-  2 7- -2  0  2  4
Curve Equation t 89838l1 [1,-1,0,-30546,-2030508] 2 89838l2 [1,-1,0,-53586,1466964] 2
89838m (2 curves)	1	2+ 3- 7- 23- 31-	2+ 3- -2 7-  0 -2  2 -8
Curve Equation t Generators 89838m1 [1,-1,0,-1008,-60480] 2 [97:816:1] 89838m2 [1,-1,0,-30168,-2002536] 2 [-101:131:1]
89838n (1 curve)	0	2- 3+ 7+ 23+ 31+	2- 3+ -3 7+ -2  1  2 -6
Curve Equation t 89838n1 [1,-1,1,-4895669,-15271437491] 1
89838o (1 curve)	1	2- 3+ 7+ 23- 31+	2- 3+  1 7+  6 -1  2  2
Curve Equation t Generators 89838o1 [1,-1,1,-1287767,28642247407] 1 [3780133:397070834:343]
89838p (1 curve)	2	2- 3+ 7- 23+ 31-	2- 3+ -1 7- -5 -3 -7  1
Curve Equation t Generators 89838p1 [1,-1,1,-368,5843] 1 [3:67:1]&[21:73:1]
89838q (2 curves)	0	2- 3+ 7- 23+ 31-	2- 3+ -3 7-  0  2  6  5
Curve Equation t 89838q1 [1,-1,1,-3224,139907] 3 89838q2 [1,-1,1,27646,-2870261] 1
89838r (2 curves)	1	2- 3- 7+ 23+ 31+	2- 3-  0 7+  2 -2 -2  6
Curve Equation t Generators 89838r1 [1,-1,1,4001335,1562192713] 2 [391:56252:1] 89838r2 [1,-1,1,-18140105,13261729609] 2 [-2287:207982:1]
89838s (2 curves)	1	2- 3- 7+ 23+ 31+	2- 3-  0 7+ -2  2 -2 -2
Curve Equation t Generators 89838s1 [1,-1,1,-3005154905,67646257218101] 2 [-4607327774585689457148975018213:1487483305623782658273433700834374:130401016883725052703885193] 89838s2 [1,-1,1,-48969486995,4170955725823745] 2 [138411142235548482114552632246146143996264684186978:-56840345652319457502879615845021983168698817168990871:480619745709202484844323049680496143445225208]
89838t (1 curve)	1	2- 3- 7+ 23+ 31+	2- 3-  3 7+ -2 -1 -2 -2
Curve Equation t Generators 89838t1 [1,-1,1,-118802381,-498379245451] 1 [214191:98891032:1]
89838u (1 curve)	0	2- 3- 7+ 23+ 31-	2- 3-  3 7+ -3 -1  5  7
Curve Equation t 89838u1 [1,-1,1,41989,-19133301] 1
89838v (2 curves)	0	2- 3- 7+ 23+ 31-	2- 3-  4 7+  2  6  2 -6
Curve Equation t 89838v1 [1,-1,1,-22388,-1277481] 2 89838v2 [1,-1,1,-35348,381399] 2
89838w (2 curves)	0	2- 3- 7+ 23- 31+	2- 3-  0 7+  0 -2 -6  4
Curve Equation t 89838w1 [1,-1,1,-5774990,-5372541795] 2 89838w2 [1,-1,1,-92555150,-342704379747] 2
89838x (2 curves)	0	2- 3- 7+ 23- 31+	2- 3-  0 7+  2  6  6  2
Curve Equation t 89838x1 [1,-1,1,-21530,1221301] 2 89838x2 [1,-1,1,-21620,1210645] 2
89838y (1 curve)	0	2- 3- 7+ 23- 31+	2- 3-  3 7+  6  1  6 -2
Curve Equation t 89838y1 [1,-1,1,184,753] 1
89838z (1 curve)	1	2- 3- 7+ 23- 31-	2- 3-  3 7+  2 -6 -2  5
Curve Equation t Generators 89838z1 [1,-1,1,-7691,262203] 1 [47:-78:1]
89838ba (1 curve)	0	2- 3- 7- 23+ 31+	2- 3- -1 7- -6 -2  6  5
Curve Equation t 89838ba1 [1,-1,1,6370807,-5952281335] 1
89838bb (2 curves)	1	2- 3- 7- 23+ 31-	2- 3-  2 7- -2 -6  2 -2
Curve Equation t Generators 89838bb1 [1,-1,1,-9734,-2074795] 2 [315:4945:1] 89838bb2 [1,-1,1,-311054,-66436747] 2 [687:6271:1]
89838bc (2 curves)	1	2- 3- 7- 23- 31+	2- 3-  0 7- -4  6 -6  0
Curve Equation t Generators 89838bc1 [1,-1,1,15208420,-42371879601] 2 [2303:68589:1] 89838bc2 [1,-1,1,-129575840,-476261349969] 2 [181049:-76970937:1]
89838bd (1 curve)	1	2- 3- 7- 23- 31+	2- 3- -1 7-  3  1  3 -1
Curve Equation t Generators 89838bd1 [1,-1,1,52898422,16960558025] 1 [27825:4785175:1]
89838be (1 curve)	0	2- 3- 7- 23- 31-	2- 3-  1 7- -2  2  6  7
Curve Equation t 89838be1 [1,-1,1,103,-223] 1
89838bf (2 curves)	0	2- 3- 7- 23- 31-	2- 3- -3 7-  6 -1  6  2
Curve Equation t 89838bf1 [1,-1,1,-2176123469,-50389162949131] 1 89838bf2 [1,-1,1,16644662716,523589015372519] 3

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