Subgroups — 2₋¹⁺⁴×D₂₇₇ #31800834

Order 17728.

794 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#22579928	C₂	1	5	yes	maximal, complemented
2	#22579927	C₂	1	10	yes	maximal, complemented
3	#41×D₂₇₇	C₂	1	10	yes	maximal, complemented
4	C₂×Q₈×D₂₇₇	C₂	1	5	yes	maximal, complemented
5	2₋¹⁺⁴×C₂₇₇	C₂	1	1	yes	maximal, characteristic, complemented
6	#17984564	C₂²	1	10	yes	complemented
7	#17984563	C₂²	1	30	yes	complemented
8	#17984562	C₂²	1	30	yes	complemented
9	C₂×Dic₅₅₄	C₂²	1	15	yes	complemented
10	Q₈×D₂₇₇	C₂²	1	10	yes	—
11	Q₈×D₂₇₇	C₂²	1	20	yes	complemented
12	D₄×D₂₇₇	C₂²	1	10	yes	—
13	C₂×C₄×D₂₇₇	C₂²	1	15	yes	—
14	#41×C₂₇₇	C₂²	1	10	yes	complemented
15	C₂×Q₈×C₂₇₇	C₂²	1	5	yes	complemented
16	C₂²×D₂₇₇	C₂³	1	5	yes	—
17	Dic₅₅₄	C₂³	1	30	yes	—
18	D₁₁₀₈	C₂³	1	10	yes	—
19	C₂²⋊D₂₇₇	C₂³	1	20	yes	—
20	C₂×Dic₂₇₇	C₂³	1	15	yes	—
21	C₄×D₂₇₇	C₂³	1	10	yes	—
22	C₄×D₂₇₇	C₂³	1	30	yes	—
23	Q₈×C₂₇₇	C₂³	1	10	yes	—
24	D₄×C₂₇₇	C₂³	1	10	yes	—
25	C₂×C₄×C₂₇₇	C₂³	1	15	yes	—
26	C₂²×C₂₇₇	C₂⁴	1	5	yes	—
27	C₂×D₂₇₇	—	2	10	no	—
28	C₂×D₂₇₇	C₂⁴	1	5	yes	—
29	C₂×D₂₇₇	C₂⁴	1	1	yes	characteristic
30	C₄×C₂₇₇	C₂⁴	1	10	yes	—
31	Dic₂₇₇	C₂⁴	1	10	yes	—
32	C₂×C₂₇₇	—	2	5	no	—
33	C₂×C₂₇₇	C₂⁵	1	1	yes	characteristic
34	D₂₇₇	—	2	5	no	—
35	D₂₇₇	2₋¹⁺⁴	1	2	yes	direct product factor
36	C₂₇₇	C₂×2₋¹⁺⁴	1	1	yes	characteristic, complemented, Sylow
37	C₂×2₋¹⁺⁴	—	277	1	no	maximal, Sylow
38	2₋¹⁺⁴	—	277	10	no	—
39	2₋¹⁺⁴	—	277	5	no	—
40	2₋¹⁺⁴	D₂₇₇	1	1	yes	characteristic, direct product factor
41	C₂×#41	—	277	10	no	—
42	C₂²×Q₈	—	277	5	no	—
43	#41	—	277	10	no	—
44	#41	—	277	30	no	—
45	#41	—	277	30	no	—
46	#41	C₂×D₂₇₇	1	10	yes	complemented
47	C₂×Q₈	—	277	10	no	—
48	C₂×Q₈	—	277	20	no	—
49	C₂×Q₈	—	277	15	no	—
50	C₂×Q₈	C₂×D₂₇₇	1	5	yes	complemented
51	C₂×D₄	—	277	10	no	—
52	C₂²×C₄	—	277	15	no	—
53	C₂³	—	277	5	no	—
54	Q₈	—	277	30	no	—
55	Q₈	C₂²×D₂₇₇	1	10	yes	—
56	D₄	—	277	20	no	—
57	D₄	—	277	10	no	—
58	D₄	C₂²×D₂₇₇	1	10	yes	—
59	C₂×C₄	—	277	15	no	—
60	C₂×C₄	—	277	10	no	—
61	C₂×C₄	—	277	30	no	—
62	C₂×C₄	C₂²×D₂₇₇	1	15	yes	—
63	C₂²	—	277	1	no	—
64	C₂²	—	277	5	no	—
65	C₂²	—	554	10	no	—
66	C₂²	C₂³×D₂₇₇	1	5	yes	—
67	C₄	—	277	10	no	—
68	C₄	C₂³×D₂₇₇	1	10	yes	—
69	C₂	—	2	5	no	—
70	C₂	—	277	2	no	—
71	C₂	—	554	5	no	—
72	C₂	C₂⁴×D₂₇₇	1	1	yes	characteristic

	subgroup	G/H
center, Frattini	C₂	C₂⁴×D₂₇₇
commutator, socle, cosocle	C₂×C₂₇₇	C₂⁵
Fitting	2₋¹⁺⁴×C₂₇₇	C₂
hypercenter	2₋¹⁺⁴	D₂₇₇
hypocenter	C₂₇₇	C₂×2₋¹⁺⁴
LCS	G ▷ C₂×C₂₇₇ ▷ C₂₇₇
UCS	C₁ ◁ C₂ ◁ 2₋¹⁺⁴

Complements

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

N	H ≅ G/N	type
1. #22579928	C₂	semidirect
2. #22579927	C₂	semidirect
3. #41×D₂₇₇	C₂	semidirect
4. C₂×Q₈×D₂₇₇	C₂	semidirect
5. 2₋¹⁺⁴×C₂₇₇	C₂	semidirect
6. #17984564	C₂²	semidirect
7. #17984563	C₂²	semidirect
8. #17984562	C₂²	semidirect
9. C₂×Dic₅₅₄	C₂²	semidirect
11. Q₈×D₂₇₇	C₂²	semidirect
14. #41×C₂₇₇	C₂²	semidirect
15. C₂×Q₈×C₂₇₇	C₂²	semidirect
35. D₂₇₇	2₋¹⁺⁴	direct (N × H)
36. C₂₇₇	C₂×2₋¹⁺⁴	semidirect
40. 2₋¹⁺⁴	D₂₇₇	direct (N × H)
46. #41	C₂×D₂₇₇	semidirect
50. C₂×Q₈	C₂×D₂₇₇	semidirect

Maximal subgroups

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

subgroup	index
#22579928	2
#22579927	2
#41×D₂₇₇	2
C₂×Q₈×D₂₇₇	2
2₋¹⁺⁴×C₂₇₇	2
C₂×2₋¹⁺⁴	277

Subgroups — 2−1+4×D277 #31800834

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — 2₋¹⁺⁴×D₂₇₇ #31800834