A065430 - cp's OEIS frontend

A065430 Order of commutator subgroup of GL(2,Z_n) (invertible 2 X 2 matrices mod n: A000252).

n	a(n)
1	1
2	3
3	24
4	24
5	120
6	72
7	336
8	192
9	648
10	360
11	1320
12	576
13	2184
14	1008
15	2880
16	1536
17	4896
18	1944
19	6840
20	2880
21	8064
22	3960
23	12144
24	4608
25	15000
26	6552
27	17496
28	8064
29	24360
30	8640
31	29760
32	12288
33	31680
34	14688
35	40320
36	15552
37	50616
38	20520
39	52416
40	23040
41	68880

[1, 3, 24, 24, 120, 72, 336, 192, 648, 360, 1320, 576, 2184, 1008, 2880, 1536, 4896, 1944, 6840, 2880, 8064, 3960, 12144, 4608, 15000, 6552, 17496, 8064, 24360, 8640, 29760, 12288, 31680, 14688, 40320, 15552, 50616, 20520, 52416, 23040, 68880]

cp's OEIS Frontend

A065430 Order of commutator subgroup of GL(2,Z_n) (invertible 2 X 2 matrices mod n: A000252).

Table of values

List of values