Subgroups — #30657349

Order 16448.

192 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551592	C₂	1	1	yes	maximal, characteristic, complemented
2	#22551585	C₂	1	4	yes	maximal
3	#22551584	C₂	1	1	yes	maximal, characteristic, complemented
4	#22551582	C₂	1	4	yes	maximal, complemented
5	#22551571	C₂	1	2	yes	maximal
6	C₄×Dic₅₁₄	C₂	1	2	yes	maximal, complemented
7	#117×C₂₅₇	C₂	1	1	yes	maximal, characteristic
8	C₂×Dic₅₁₄	C₂²	1	2	yes	—
9	C₄⋊Dic₂₅₇	C₂²	1	2	yes	—
10	C₄⋊Dic₂₅₇	C₂²	1	4	yes	—
11	#16861597	C₂²	1	4	yes	—
12	#16861597	C₂²	1	4	yes	—
13	#16861597	C₂²	1	4	yes	—
14	C₂²⋊Dic₂₅₇	C₂²	1	4	yes	—
15	C₄×Dic₂₅₇	C₂²	1	4	yes	—
16	C₂²×C₄×C₂₅₇	C₂²	1	1	yes	characteristic
17	C₄⋊C₄×C₂₅₇	C₂²	1	2	yes	—
18	C₂²⋊C₄×C₂₅₇	C₂²	1	2	yes	—
19	C₄²×C₂₅₇	C₂²	1	1	yes	characteristic
20	C₄²×C₂₅₇	C₂²	1	1	yes	characteristic
21	Dic₅₁₄	—	2	4	no	—
22	C₂×Dic₂₅₇	C₂³	1	4	yes	—
23	C₂×Dic₂₅₇	C₂³	1	4	yes	—
24	C₂³×C₂₅₇	C₂³	1	1	yes	characteristic
25	C₂×C₄×C₂₅₇	—	2	2	no	—
26	C₂×C₄×C₂₅₇	C₂³	1	2	yes	—
27	C₂×C₄×C₂₅₇	C₂³	1	2	yes	—
28	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
29	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
30	C₂²×C₂₅₇	—	2	1	no	—
31	C₂²×C₂₅₇	—	2	2	no	—
32	C₂²×C₂₅₇	C₂⁴	1	1	yes	characteristic
33	C₄×C₂₅₇	—	2	1	no	—
34	C₄×C₂₅₇	—	2	2	no	—
35	C₄×C₂₅₇	—	2	2	no	—
36	C₄×C₂₅₇	#41	1	2	yes	—
37	Dic₂₅₇	—	2	4	no	—
38	Dic₂₅₇	—	2	4	no	—
39	C₂×C₂₅₇	—	4	1	no	—
40	C₂×C₂₅₇	C₂×#41	1	1	yes	characteristic
41	C₂×C₂₅₇	2₋¹⁺⁴	1	2	yes	—
42	C₂₅₇	#541	1	1	yes	characteristic, complemented, Sylow
43	#541	—	257	1	no	maximal, Sylow
44	C₄⋊Q₈	—	257	1	no	—
45	#126	—	257	4	no	—
46	#125	—	257	4	no	—
47	#125	—	257	1	no	—
48	C₂²⋊Q₈	—	257	2	no	—
49	C₄×Q₈	—	257	2	no	—
50	#117	D₂₅₇	1	1	yes	characteristic
51	C₂×Q₈	—	257	2	no	—
52	C₂²×C₄	C₂×D₂₅₇	1	1	yes	characteristic
53	C₄⋊C₄	—	257	2	no	—
54	C₄⋊C₄	—	257	4	no	—
55	C₄⋊C₄	—	257	4	no	—
56	C₄⋊C₄	—	257	4	no	—
57	C₄⋊C₄	—	257	4	no	—
58	C₄⋊C₄	C₂×D₂₅₇	1	2	yes	—
59	C₂²⋊C₄	—	257	4	no	—
60	C₂²⋊C₄	C₂×D₂₅₇	1	2	yes	—
61	C₄²	—	257	4	no	—
62	C₄²	C₂×D₂₅₇	1	1	yes	characteristic
63	C₄²	C₂×D₂₅₇	1	1	yes	characteristic
64	C₂³	C₂²×D₂₅₇	1	1	yes	characteristic
65	Q₈	—	514	4	no	—
66	C₂×C₄	—	257	4	no	—
67	C₂×C₄	—	257	4	no	—
68	C₂×C₄	—	2	2	no	—
69	C₂×C₄	C₂²×D₂₅₇	1	2	yes	—
70	C₂×C₄	C₂²×D₂₅₇	1	2	yes	—
71	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
72	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
73	C₂²	—	2	1	no	—
74	C₂²	—	2	2	no	—
75	C₂²	C₂³×D₂₅₇	1	1	yes	characteristic
76	C₄	—	2	1	no	—
77	C₄	—	2	2	no	—
78	C₄	—	2	2	no	—
79	C₄	—	514	4	no	—
80	C₄	—	514	4	no	—
81	C₄	#16861618	1	2	yes	—
82	C₂	—	4	1	no	—
83	C₂	C₂×#16861618	1	1	yes	characteristic
84	C₂	#22551639	1	2	yes	—

	subgroup	G/H
center, Frattini	C₂²	C₂³×D₂₅₇
commutator, socle, cosocle	C₂²×C₂₅₇	C₂⁴
Fitting	#117×C₂₅₇	C₂
prime radical	C₂³×C₂₅₇	C₂³
hypercenter	#117	D₂₅₇
hypocenter	C₂₅₇	#541
LCS	G ▷ C₂²×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂² ◁ #117

Complements

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

N	H ≅ G/N	type
1. #22551592	C₂	semidirect
3. #22551584	C₂	semidirect
4. #22551582	C₂	semidirect
6. C₄×Dic₅₁₄	C₂	semidirect
42. C₂₅₇	#541	semidirect

Maximal subgroups

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

subgroup	index
#22551592	2
#22551585	2
#22551584	2
#22551582	2
#22551571	2
C₄×Dic₅₁₄	2
#117×C₂₅₇	2
#541	257