Subgroups — C₂×Q₁₆×D₄₂₁ #41003615

Order 26944.

258 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×Q₈×D₄₂₁	C₂	1	2	yes	maximal
2	C₂×Dic₁₆₈₄	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂×#20269761	C₂	1	2	yes	maximal, complemented
4	Q₁₆×D₄₂₁	C₂	1	8	yes	maximal, direct product factor
5	C₂×C₈×D₄₂₁	C₂	1	1	yes	maximal, characteristic
6	C₂×Q₁₆×C₄₂₁	C₂	1	1	yes	maximal, characteristic, complemented
7	C₂×Dic₈₄₂	—	2	2	no	—
8	C₂×Dic₈₄₂	C₂²	1	2	yes	—
9	Q₈×D₄₂₁	—	2	4	no	—
10	Q₈×D₄₂₁	C₂²	1	8	yes	—
11	C₂×C₄×D₄₂₁	—	2	2	no	—
12	C₂×C₄×D₄₂₁	C₂²	1	1	yes	characteristic
13	Dic₁₆₈₄	C₂²	1	4	yes	complemented
14	#20269761	C₂²	1	8	yes	complemented
15	C₂×#16809890	C₂²	1	1	yes	characteristic
16	C₈×D₄₂₁	C₂²	1	4	yes	—
17	C₂×Q₈×C₄₂₁	C₂²	1	2	yes	—
18	Q₁₆×C₄₂₁	C₂²	1	4	yes	complemented
19	C₂×C₈×C₄₂₁	C₂²	1	1	yes	characteristic
20	C₂²×D₄₂₁	D₄	1	1	yes	characteristic
21	Dic₈₄₂	—	2	2	no	—
22	Dic₈₄₂	—	2	8	no	—
23	Dic₈₄₂	C₂³	1	4	yes	—
24	C₂×Dic₄₂₁	—	2	2	no	—
25	C₂×Dic₄₂₁	D₄	1	1	yes	characteristic
26	C₄×D₄₂₁	—	2	8	no	—
27	C₄×D₄₂₁	D₄	1	2	yes	—
28	C₄×D₄₂₁	C₂³	1	2	yes	—
29	#16809890	C₂³	1	2	yes	—
30	Q₈×C₄₂₁	—	2	2	no	—
31	Q₈×C₄₂₁	C₂³	1	4	yes	—
32	C₂×C₄×C₄₂₁	—	2	2	no	—
33	C₂×C₄×C₄₂₁	C₂³	1	1	yes	characteristic
34	C₈×C₄₂₁	C₂³	1	2	yes	—
35	C₂²×C₄₂₁	C₂×D₄	1	1	yes	characteristic
36	C₂×D₄₂₁	Q₁₆	1	4	yes	direct product factor
37	C₂×D₄₂₁	C₂×D₄	1	2	yes	—
38	C₄×C₄₂₁	—	2	4	no	—
39	C₄×C₄₂₁	C₂×D₄	1	1	yes	characteristic
40	C₄×C₄₂₁	C₂⁴	1	1	yes	characteristic
41	Dic₄₂₁	—	2	4	no	—
42	Dic₄₂₁	C₂×D₄	1	2	yes	—
43	C₂×C₄₂₁	C₂×Q₁₆	1	2	yes	complemented
44	C₂×C₄₂₁	C₂²×D₄	1	1	yes	characteristic
45	D₄₂₁	C₂×Q₁₆	1	4	yes	direct product factor
46	C₄₂₁	C₂²×Q₁₆	1	1	yes	characteristic, complemented, Sylow
47	C₂²×Q₁₆	—	421	1	no	maximal, Sylow
48	C₂²×Q₈	—	421	2	no	—
49	C₂×Q₁₆	—	421	2	no	—
50	C₂×Q₁₆	—	421	8	no	—
51	C₂×Q₁₆	—	421	1	no	—
52	C₂×Q₁₆	D₄₂₁	1	1	yes	characteristic, direct product factor
53	C₂²×C₈	—	421	1	no	—
54	C₂×Q₈	—	842	2	no	—
55	C₂×Q₈	—	842	4	no	—
56	C₂×Q₈	—	421	8	no	—
57	C₂×Q₈	—	421	2	no	—
58	C₂×Q₈	C₂×D₄₂₁	1	2	yes	—
59	C₂²×C₄	—	842	2	no	—
60	C₂²×C₄	—	421	1	no	—
61	Q₁₆	—	421	8	no	—
62	Q₁₆	—	421	4	no	—
63	Q₁₆	C₂×D₄₂₁	1	4	yes	direct product factor
64	C₂×C₈	—	421	1	no	—
65	C₂×C₈	—	421	4	no	—
66	C₂×C₈	C₂×D₄₂₁	1	1	yes	characteristic
67	C₂³	—	421	1	no	—
68	Q₈	—	2	2	no	—
69	Q₈	—	842	8	no	—
70	Q₈	—	842	2	no	—
71	Q₈	—	421	4	no	—
72	Q₈	C₂²×D₄₂₁	1	4	yes	—
73	C₂×C₄	—	2	2	no	—
74	C₂×C₄	—	842	8	no	—
75	C₂×C₄	—	842	2	no	—
76	C₂×C₄	—	421	1	no	—
77	C₂×C₄	—	421	2	no	—
78	C₂×C₄	—	421	2	no	—
79	C₂×C₄	C₂²×D₄₂₁	1	1	yes	characteristic
80	C₈	—	421	2	no	—
81	C₈	C₂²×D₄₂₁	1	2	yes	—
82	C₂²	—	421	4	no	—
83	C₂²	—	421	2	no	—
84	C₂²	D₄×D₄₂₁	1	1	yes	characteristic
85	C₄	—	2	4	no	—
86	C₄	—	842	4	no	—
87	C₄	—	421	2	no	—
88	C₄	D₄×D₄₂₁	1	1	yes	characteristic
89	C₄	C₂³×D₄₂₁	1	1	yes	characteristic
90	C₂	—	421	4	no	—
91	C₂	Q₁₆×D₄₂₁	1	2	yes	direct product factor
92	C₂	C₂×D₄×D₄₂₁	1	1	yes	characteristic

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

Complements

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

N	H ≅ G/N	type
2. C₂×Dic₁₆₈₄	C₂	semidirect
3. C₂×#20269761	C₂	semidirect
4. Q₁₆×D₄₂₁	C₂	direct (N × H)
6. C₂×Q₁₆×C₄₂₁	C₂	semidirect
13. Dic₁₆₈₄	C₂²	semidirect
14. #20269761	C₂²	semidirect
18. Q₁₆×C₄₂₁	C₂²	semidirect
36. C₂×D₄₂₁	Q₁₆	direct (N × H)
43. C₂×C₄₂₁	C₂×Q₁₆	semidirect
45. D₄₂₁	C₂×Q₁₆	direct (N × H)
46. C₄₂₁	C₂²×Q₁₆	semidirect
52. C₂×Q₁₆	D₄₂₁	direct (N × H)
63. Q₁₆	C₂×D₄₂₁	direct (N × H)
91. C₂	Q₁₆×D₄₂₁	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂×Q₈×D₄₂₁	2
C₂×Dic₁₆₈₄	2
C₂×#20269761	2
Q₁₆×D₄₂₁	2
C₂×C₈×D₄₂₁	2
C₂×Q₁₆×C₄₂₁	2
C₂²×Q₁₆	421

Subgroups — C2×Q16×D421 #41003615

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×Q₁₆×D₄₂₁ #41003615