Subgroups — M₁₆×#11759967 #30657697

Order 16448.

142 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	D₂₅₇⋊M₁₆	C₂	1	1	yes	maximal, characteristic
2	C₂×C₄×#11759967	C₂	1	1	yes	maximal, characteristic
3	#22551646	C₂	1	2	yes	maximal, complemented
4	C₈×#11759967	C₂	1	2	yes	maximal, complemented
5	M₁₆×D₂₅₇	C₂	1	1	yes	maximal, characteristic
6	C₂²×#11759967	C₄	1	2	yes	—
7	#16861628	C₄	1	2	yes	complemented
8	#16861627	C₄	1	2	yes	complemented
9	#16861626	C₂²	1	2	yes	—
10	C₄×#11759967	C₄	1	2	yes	—
11	C₄×#11759967	C₂²	1	1	yes	characteristic
12	C₄×#11759967	C₂²	1	1	yes	characteristic
13	C₂×C₄×D₂₅₇	C₂²	1	1	yes	characteristic
14	#16861602	C₄	1	1	yes	characteristic, complemented
15	#16861601	C₄	1	2	yes	complemented
16	C₈×D₂₅₇	C₂²	1	2	yes	—
17	M₁₆×C₂₅₇	C₄	1	1	yes	characteristic, complemented
18	C₂×#11759967	—	2	4	no	—
19	C₂×#11759967	C₂×C₄	1	2	yes	—
20	C₂×#11759967	C₂×C₄	1	2	yes	—
21	#14523346	C₂×C₄	1	4	yes	complemented
22	C₂²×D₂₅₇	C₂×C₄	1	1	yes	characteristic
23	C₂×Dic₂₅₇	C₂×C₄	1	1	yes	characteristic
24	C₄×D₂₅₇	C₂×C₄	1	1	yes	characteristic
25	C₄×D₂₅₇	C₂×C₄	1	1	yes	characteristic
26	C₄×D₂₅₇	C₂×C₄	1	1	yes	characteristic
27	C₄×D₂₅₇	C₂³	1	1	yes	characteristic
28	#14523339	C₂×C₄	1	2	yes	complemented
29	C₂×C₄×C₂₅₇	C₂×C₄	1	1	yes	characteristic
30	C₈×C₂₅₇	C₂×C₄	1	2	yes	complemented
31	C₂²×C₂₅₇	C₄²	1	1	yes	characteristic
32	C₂×D₂₅₇	—	2	2	no	—
33	C₂×D₂₅₇	C₄²	1	1	yes	characteristic
34	C₂×D₂₅₇	C₂²×C₄	1	1	yes	characteristic
35	#11759967	—	2	2	no	—
36	#11759967	M₁₆	1	4	yes	direct product factor
37	C₄×C₂₅₇	C₄²	1	1	yes	characteristic
38	C₄×C₂₅₇	C₂²×C₄	1	1	yes	characteristic
39	Dic₂₅₇	C₄²	1	1	yes	characteristic
40	Dic₂₅₇	C₂²×C₄	1	1	yes	characteristic
41	C₂×C₂₅₇	—	2	1	no	—
42	C₂×C₂₅₇	C₂×C₄²	1	1	yes	characteristic
43	D₂₅₇	—	2	1	no	—
44	D₂₅₇	C₂×M₁₆	1	2	yes	—
45	C₂₅₇	C₄×M₁₆	1	1	yes	characteristic, complemented, Sylow
46	C₄×M₁₆	—	257	1	no	maximal, Sylow
47	C₂×M₁₆	—	257	1	no	—
48	C₂×M₁₆	—	257	1	no	—
49	C₂×C₄²	—	257	1	no	—
50	#97	—	257	2	no	—
51	C₄×C₈	—	257	2	no	—
52	C₂²×C₄	—	257	1	no	—
53	C₂²×C₄	—	257	2	no	—
54	M₁₆	—	257	2	no	—
55	M₁₆	—	257	2	no	—
56	M₁₆	—	257	1	no	—
57	M₁₆	—	257	2	no	—
58	M₁₆	#11759967	1	1	yes	characteristic, direct product factor
59	C₂×C₈	—	257	2	no	—
60	C₂×C₈	—	257	2	no	—
61	C₄²	—	257	1	no	—
62	C₄²	—	257	1	no	—
63	C₄²	—	257	2	no	—
64	C₂³	—	257	1	no	—
65	C₂×C₄	—	257	2	no	—
66	C₂×C₄	—	257	1	no	—
67	C₂×C₄	—	257	1	no	—
68	C₂×C₄	—	257	1	no	—
69	C₂×C₄	—	257	1	no	—
70	C₂×C₄	—	257	1	no	—
71	C₂×C₄	—	257	2	no	—
72	C₂×C₄	—	514	4	no	—
73	C₂×C₄	C₂×#11759967	1	1	yes	characteristic
74	C₈	—	257	4	no	—
75	C₈	—	257	2	no	—
76	C₈	C₂×#11759967	1	2	yes	complemented
77	C₂²	—	257	1	no	—
78	C₂²	—	257	1	no	—
79	C₂²	—	514	2	no	—
80	C₂²	C₄×#11759967	1	1	yes	characteristic
81	C₄	—	257	4	no	—
82	C₄	—	257	1	no	—
83	C₄	—	257	1	no	—
84	C₄	—	514	2	no	—
85	C₄	C₄×#11759967	1	1	yes	characteristic
86	C₄	C₂²×#11759967	1	1	yes	characteristic
87	C₂	—	257	2	no	—
88	C₂	—	2	1	no	—
89	C₂	—	514	1	no	—
90	C₂	C₂×C₄×#11759967	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₄	C₂²×#11759967
commutator, socle	C₂×C₂₅₇	C₂×C₄²
Fitting	M₁₆×C₂₅₇	C₄
prime radical	C₂²×D₂₅₇	C₂×C₄
cosocle	C₄×D₂₅₇	C₂³
hypercenter	M₁₆	#11759967
hypocenter	C₂₅₇	C₄×M₁₆
LCS	G ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₄ ◁ M₁₆

Complements

Splittings G = N ⋊ H with N normal; H ≅ G/N.

N	H ≅ G/N	type
3. #22551646	C₂	semidirect
4. C₈×#11759967	C₂	semidirect
7. #16861628	C₄	semidirect
8. #16861627	C₄	semidirect
14. #16861602	C₄	semidirect
15. #16861601	C₄	semidirect
17. M₁₆×C₂₅₇	C₄	semidirect
21. #14523346	C₂×C₄	semidirect
28. #14523339	C₂×C₄	semidirect
30. C₈×C₂₅₇	C₂×C₄	semidirect
36. #11759967	M₁₆	direct (N × H)
45. C₂₅₇	C₄×M₁₆	semidirect
58. M₁₆	#11759967	direct (N × H)
76. C₈	C₂×#11759967	semidirect

Maximal subgroups

By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.

subgroup	index
D₂₅₇⋊M₁₆	2
C₂×C₄×#11759967	2
#22551646	2
C₈×#11759967	2
M₁₆×D₂₅₇	2
C₄×M₁₆	257

Subgroups — M16×#11759967 #30657697

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — M₁₆×#11759967 #30657697