Subgroups — C₂²×Dic₁₆₈₄ #41003617

Order 26944.

258 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×Dic₈₄₂	C₂	1	2	yes	maximal
2	C₂×Dic₁₆₈₄	C₂	1	12	yes	maximal, direct product factor
3	C₂²×C₈×C₄₂₁	C₂	1	1	yes	maximal, characteristic
4	C₂×Dic₈₄₂	—	2	6	no	—
5	C₂×Dic₈₄₂	C₂²	1	12	yes	—
6	C₂²×Dic₄₂₁	—	2	2	no	—
7	Dic₁₆₈₄	C₂²	1	16	yes	direct product factor
8	C₂²×C₄×C₄₂₁	C₂²	1	1	yes	characteristic
9	C₂×C₈×C₄₂₁	C₂²	1	6	yes	—
10	Dic₈₄₂	—	2	12	no	—
11	Dic₈₄₂	C₂³	1	8	yes	—
12	C₂×Dic₄₂₁	—	2	12	no	—
13	C₂³×C₄₂₁	D₄	1	1	yes	characteristic
14	C₂×C₄×C₄₂₁	D₄	1	3	yes	—
15	C₂×C₄×C₄₂₁	C₂³	1	3	yes	—
16	C₈×C₄₂₁	C₂³	1	4	yes	—
17	C₂²×C₄₂₁	Q₁₆	1	4	yes	complemented
18	C₂²×C₄₂₁	C₂×D₄	1	3	yes	—
19	C₄×C₄₂₁	C₂×D₄	1	3	yes	—
20	C₄×C₄₂₁	C₂⁴	1	1	yes	characteristic
21	Dic₄₂₁	—	2	8	no	—
22	C₂×C₄₂₁	C₂×Q₁₆	1	6	yes	complemented
23	C₂×C₄₂₁	C₂²×D₄	1	1	yes	characteristic
24	C₄₂₁	C₂²×Q₁₆	1	1	yes	characteristic, complemented, Sylow
25	C₂²×Q₁₆	—	421	1	no	maximal, Sylow
26	C₂²×Q₈	—	421	2	no	—
27	C₂×Q₁₆	—	421	12	no	—
28	C₂²×C₈	D₄₂₁	1	1	yes	characteristic
29	C₂×Q₈	—	842	6	no	—
30	C₂×Q₈	—	421	12	no	—
31	C₂²×C₄	—	842	2	no	—
32	C₂²×C₄	C₂×D₄₂₁	1	1	yes	characteristic
33	Q₁₆	—	421	16	no	—
34	C₂×C₈	C₂×D₄₂₁	1	6	yes	—
35	C₂³	D₁₆₈₄	1	1	yes	characteristic
36	Q₈	—	842	12	no	—
37	Q₈	—	421	8	no	—
38	C₂×C₄	—	842	12	no	—
39	C₂×C₄	D₁₆₈₄	1	3	yes	—
40	C₂×C₄	C₂²×D₄₂₁	1	3	yes	—
41	C₈	C₂²×D₄₂₁	1	4	yes	—
42	C₂²	Dic₁₆₈₄	1	4	yes	direct product factor
43	C₂²	C₂×D₁₆₈₄	1	3	yes	—
44	C₄	—	842	8	no	—
45	C₄	C₂×D₁₆₈₄	1	3	yes	—
46	C₄	C₂³×D₄₂₁	1	1	yes	characteristic
47	C₂	C₂×Dic₁₆₈₄	1	6	yes	direct product factor
48	C₂	C₂²×D₁₆₈₄	1	1	yes	characteristic

	subgroup	G/H
center	C₂³	D₁₆₈₄
commutator, cosocle	C₄×C₄₂₁	C₂⁴
Frattini	C₄	C₂³×D₄₂₁
Fitting	C₂²×C₈×C₄₂₁	C₂
socle, prime radical	C₂³×C₄₂₁	D₄
hypercenter	C₂²×C₈	D₄₂₁
hypocenter	C₄₂₁	C₂²×Q₁₆
LCS	G ▷ C₄×C₄₂₁ ▷ C₂×C₄₂₁ ▷ C₄₂₁
UCS	C₁ ◁ C₂³ ◁ C₂²×C₄ ◁ C₂²×C₈

Complements

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

N	H ≅ G/N	type
2. C₂×Dic₁₆₈₄	C₂	direct (N × H)
7. Dic₁₆₈₄	C₂²	direct (N × H)
17. C₂²×C₄₂₁	Q₁₆	semidirect
22. C₂×C₄₂₁	C₂×Q₁₆	semidirect
24. C₄₂₁	C₂²×Q₁₆	semidirect
42. C₂²	Dic₁₆₈₄	direct (N × H)
47. C₂	C₂×Dic₁₆₈₄	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂²×Dic₈₄₂	2
C₂×Dic₁₆₈₄	2
C₂²×C₈×C₄₂₁	2
C₂²×Q₁₆	421

Subgroups — C22×Dic1684 #41003617

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂²×Dic₁₆₈₄ #41003617