Subgroups — #30657178

Order 16448.

82 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22551614	C₂	1	1	yes	maximal, characteristic
2	#22551538	C₂	1	2	yes	maximal, complemented
3	#22551535	C₂	1	2	yes	maximal, complemented
4	#22551532	C₂	1	1	yes	maximal, characteristic, complemented
5	C₂×Q₁₆×C₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
6	#16861618	—	2	1	no	—
7	Dic₁₀₂₈	C₂²	1	1	yes	characteristic
8	#16861607	—	2	1	no	—
9	D₂₀₅₆	C₂²	1	1	yes	characteristic
10	#16861593	C₂²	1	2	yes	—
11	C₂×Q₈×C₂₅₇	—	2	1	no	—
12	Q₁₆×C₂₅₇	—	2	1	no	—
13	Q₁₆×C₂₅₇	C₂²	1	2	yes	—
14	C₂×C₈×C₂₅₇	C₂²	1	1	yes	characteristic
15	Dic₅₁₄	—	2	1	no	—
16	D₁₀₂₈	—	2	1	no	—
17	C₂²⋊D₂₅₇	—	4	1	no	—
18	C₄×D₂₅₇	—	4	1	no	—
19	Q₈×C₂₅₇	—	2	2	no	—
20	Q₈×C₂₅₇	—	4	1	no	—
21	C₂×C₄×C₂₅₇	—	4	1	no	—
22	C₂×C₄×C₂₅₇	D₄	1	1	yes	characteristic
23	C₈×C₂₅₇	D₄	1	1	yes	characteristic
24	C₈×C₂₅₇	C₂³	1	1	yes	characteristic
25	C₂²×C₂₅₇	D₈	1	1	yes	characteristic
26	C₂×D₂₅₇	—	4	1	no	—
27	C₄×C₂₅₇	—	4	2	no	—
28	C₄×C₂₅₇	D₈	1	1	yes	characteristic
29	C₄×C₂₅₇	C₂×D₄	1	1	yes	characteristic
30	Dic₂₅₇	—	4	1	no	—
31	C₂×C₂₅₇	—	2	1	no	—
32	C₂×C₂₅₇	C₂×D₈	1	1	yes	characteristic
33	D₂₅₇	—	8	1	no	—
34	C₂₅₇	#510	1	1	yes	characteristic, complemented, Sylow
35	#510	—	257	1	no	maximal, Sylow
36	#135	—	257	1	no	—
37	C₂×Q₁₆	D₂₅₇	1	1	yes	characteristic, complemented
38	Q₃₂	—	257	2	no	—
39	SD₃₂	—	257	2	no	—
40	M₃₂	—	257	1	no	—
41	#41	—	514	1	no	—
42	C₂×Q₈	—	2	1	no	—
43	Q₁₆	—	257	1	no	—
44	Q₁₆	—	2	1	no	—
45	Q₁₆	C₂×D₂₅₇	1	2	yes	—
46	SD₁₆	—	514	1	no	—
47	D₈	—	257	1	no	—
48	C₂×C₈	C₂×D₂₅₇	1	1	yes	characteristic
49	C₁₆	—	257	2	no	—
50	Q₈	—	2	2	no	—
51	Q₈	—	514	1	no	—
52	Q₈	—	4	1	no	—
53	D₄	—	514	1	no	—
54	D₄	—	1028	1	no	—
55	C₂×C₄	—	4	1	no	—
56	C₂×C₄	—	1028	1	no	—
57	C₂×C₄	C₂²⋊D₂₅₇	1	1	yes	characteristic
58	C₈	C₂²⋊D₂₅₇	1	1	yes	characteristic
59	C₈	C₂²×D₂₅₇	1	1	yes	characteristic
60	C₂²	—	1028	1	no	—
61	C₂²	#16861603	1	1	yes	characteristic
62	C₄	—	4	2	no	—
63	C₄	—	1028	1	no	—
64	C₄	#16861603	1	1	yes	characteristic
65	C₄	C₂×C₂²⋊D₂₅₇	1	1	yes	characteristic
66	C₂	—	2	1	no	—
67	C₂	—	2056	1	no	—
68	C₂	C₂×#16861603	1	1	yes	characteristic

	subgroup	G/H
center	C₂	C₂×#16861603
commutator, cosocle	C₈×C₂₅₇	C₂³
Frattini	C₈	C₂²×D₂₅₇
Fitting	C₂×Q₁₆×C₂₅₇	C₂
socle	C₂×C₂₅₇	C₂×D₈
prime radical	#22551614	C₂
hypercenter	C₂×Q₁₆	D₂₅₇
hypocenter	C₂₅₇	#510
LCS	G ▷ C₈×C₂₅₇ ▷ C₄×C₂₅₇ ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂ ◁ C₂×C₄ ◁ C₂×C₈ ◁ C₂×Q₁₆

Complements

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

N	H ≅ G/N	type
2. #22551538	C₂	semidirect
3. #22551535	C₂	semidirect
4. #22551532	C₂	semidirect
5. C₂×Q₁₆×C₂₅₇	C₂	semidirect
34. C₂₅₇	#510	semidirect
37. C₂×Q₁₆	D₂₅₇	semidirect

Maximal subgroups

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

subgroup	index
#22551614	2
#22551538	2
#22551535	2
#22551532	2
C₂×Q₁₆×C₂₅₇	2
#510	257