Subgroups — Q₈×Dic₅₅₄ #31800733

Order 17728.

212 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22579880	C₂	1	3	yes	maximal
2	#22579879	C₂	1	6	yes	maximal
3	Q₈×Dic₂₇₇	C₂	1	2	yes	maximal
4	C₄×Dic₅₅₄	C₂	1	3	yes	maximal
5	C₄×Q₈×C₂₇₇	C₂	1	1	yes	maximal, characteristic
6	C₂×Dic₅₅₄	C₂²	1	6	yes	—
7	C₂×Dic₅₅₄	C₂²	1	1	yes	characteristic
8	C₄⋊Dic₂₇₇	C₂²	1	3	yes	—
9	C₄⋊Dic₂₇₇	C₂²	1	6	yes	—
10	#17984542	C₂²	1	6	yes	—
11	C₄×Dic₂₇₇	C₂²	1	6	yes	—
12	C₂×Q₈×C₂₇₇	C₂²	1	1	yes	characteristic
13	C₄⋊C₄×C₂₇₇	C₂²	1	3	yes	—
14	C₄²×C₂₇₇	C₂²	1	3	yes	—
15	Dic₅₅₄	—	4	6	no	—
16	Dic₅₅₄	Q₈	1	4	yes	direct product factor
17	C₂×Dic₂₇₇	C₂³	1	6	yes	—
18	C₂×Dic₂₇₇	C₂³	1	2	yes	—
19	Q₈×C₂₇₇	Q₈	1	4	yes	complemented
20	C₂×C₄×C₂₇₇	C₂³	1	3	yes	—
21	C₂×C₄×C₂₇₇	C₂³	1	1	yes	characteristic
22	C₂×C₄×C₂₇₇	C₂³	1	3	yes	—
23	C₂²×C₂₇₇	C₂⁴	1	1	yes	characteristic
24	C₄×C₂₇₇	—	2	3	no	—
25	C₄×C₂₇₇	C₂×Q₈	1	2	yes	—
26	C₄×C₂₇₇	C₂×Q₈	1	6	yes	—
27	Dic₂₇₇	—	2	6	no	—
28	Dic₂₇₇	C₂×Q₈	1	4	yes	—
29	C₂×C₂₇₇	C₂²×Q₈	1	1	yes	characteristic
30	C₂×C₂₇₇	C₂²×Q₈	1	1	yes	characteristic
31	C₂×C₂₇₇	H(5,𝔽₂)	1	1	yes	characteristic
32	C₂₇₇	Q₈²	1	1	yes	characteristic, complemented, Sylow
33	Q₈²	—	277	1	no	maximal, Sylow
34	C₄⋊Q₈	—	277	6	no	—
35	C₄⋊Q₈	—	277	3	no	—
36	C₄×Q₈	—	277	2	no	—
37	C₄×Q₈	—	277	3	no	—
38	C₄×Q₈	D₂₇₇	1	1	yes	characteristic
39	C₂×Q₈	—	277	1	no	—
40	C₂×Q₈	—	277	6	no	—
41	C₂×Q₈	C₂×D₂₇₇	1	1	yes	characteristic
42	C₄⋊C₄	—	277	6	no	—
43	C₄⋊C₄	—	277	3	no	—
44	C₄⋊C₄	—	277	6	no	—
45	C₄⋊C₄	C₂×D₂₇₇	1	3	yes	—
46	C₄²	—	277	6	no	—
47	C₄²	C₂×D₂₇₇	1	3	yes	—
48	Q₈	—	277	4	no	—
49	Q₈	—	1108	6	no	—
50	Q₈	Dic₅₅₄	1	4	yes	direct product factor
51	C₂×C₄	—	277	2	no	—
52	C₂×C₄	—	277	6	no	—
53	C₂×C₄	C₂²×D₂₇₇	1	3	yes	—
54	C₂×C₄	C₂²×D₂₇₇	1	1	yes	characteristic
55	C₂×C₄	C₂²×D₂₇₇	1	3	yes	—
56	C₂²	C₂³×D₂₇₇	1	1	yes	characteristic
57	C₄	—	2	3	no	—
58	C₄	—	277	4	no	—
59	C₄	—	554	6	no	—
60	C₄	Q₈×D₂₇₇	1	2	yes	—
61	C₄	C₂×Dic₅₅₄	1	6	yes	—
62	C₂	C₂×Q₈×D₂₇₇	1	1	yes	characteristic
63	C₂	C₂²×Dic₅₅₄	1	1	yes	characteristic
64	C₂	#22579926	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂²	C₂³×D₂₇₇
commutator, socle, prime radical, cosocle	C₂²×C₂₇₇	C₂⁴
Fitting	C₄×Q₈×C₂₇₇	C₂
hypercenter	C₄×Q₈	D₂₇₇
hypocenter	C₂₇₇	Q₈²
LCS	G ▷ C₂²×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂² ◁ C₄×Q₈

Complements

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

N	H ≅ G/N	type
16. Dic₅₅₄	Q₈	direct (N × H)
19. Q₈×C₂₇₇	Q₈	semidirect
32. C₂₇₇	Q₈²	semidirect
50. Q₈	Dic₅₅₄	direct (N × H)

Maximal subgroups

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

subgroup	index
#22579880	2
#22579879	2
Q₈×Dic₂₇₇	2
C₄×Dic₅₅₄	2
C₄×Q₈×C₂₇₇	2
Q₈²	277

Subgroups — Q8×Dic554 #31800733

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — Q₈×Dic₅₅₄ #31800733