Subgroups — C₄×#16861619 #30657207

Order 16448.

310 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×#16861619	C₂	1	1	yes	maximal, characteristic
2	Q₈×Dic₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
3	C₄×D₁₀₂₈	C₂	1	3	yes	maximal, complemented
4	#22551554	C₂	1	3	yes	maximal, complemented
5	#22551550	C₂	1	3	yes	maximal, complemented
6	C₄²×D₂₅₇	C₂	1	3	yes	maximal, complemented
7	C₄×Q₈×C₂₅₇	C₂	1	1	yes	maximal, characteristic, complemented
8	#16861619	C₄	1	8	yes	direct product factor
9	C₂×D₁₀₂₈	C₂²	1	3	yes	—
10	C₂×C₄×D₂₅₇	C₂²	1	3	yes	—
11	C₂×C₄×D₂₅₇	C₂²	1	3	yes	—
12	C₂×C₄×D₂₅₇	C₂²	1	3	yes	—
13	C₄⋊Dic₂₅₇	C₂²	1	3	yes	—
14	#16861595	C₂²	1	6	yes	—
15	C₄×Dic₂₅₇	C₂²	1	3	yes	—
16	C₄×Dic₂₅₇	C₂²	1	1	yes	characteristic
17	C₄×Dic₂₅₇	C₂²	1	3	yes	—
18	C₂×Q₈×C₂₅₇	C₂²	1	1	yes	characteristic
19	C₄⋊C₄×C₂₅₇	C₂²	1	3	yes	—
20	C₄²×C₂₅₇	C₂²	1	3	yes	—
21	C₂²×D₂₅₇	C₂³	1	3	yes	—
22	D₁₀₂₈	C₂×C₄	1	12	yes	complemented
23	C₂×Dic₂₅₇	C₂³	1	3	yes	—
24	C₂×Dic₂₅₇	C₂³	1	1	yes	characteristic
25	C₂×Dic₂₅₇	C₂³	1	1	yes	characteristic
26	C₄×D₂₅₇	—	2	6	no	—
27	C₄×D₂₅₇	—	2	6	no	—
28	C₄×D₂₅₇	C₂×C₄	1	12	yes	complemented
29	Q₈×C₂₅₇	C₂×C₄	1	4	yes	complemented
30	C₂×C₄×C₂₅₇	C₂³	1	3	yes	—
31	C₂×C₄×C₂₅₇	C₂³	1	3	yes	—
32	C₂×C₄×C₂₅₇	C₂³	1	1	yes	characteristic
33	C₂²×C₂₅₇	C₂⁴	1	1	yes	characteristic
34	C₂×D₂₅₇	—	2	3	no	—
35	C₂×D₂₅₇	—	2	3	no	—
36	C₂×D₂₅₇	C₂²×C₄	1	6	yes	—
37	C₄×C₂₅₇	—	2	3	no	—
38	C₄×C₂₅₇	C₂²×C₄	1	6	yes	—
39	C₄×C₂₅₇	#41	1	2	yes	complemented
40	Dic₂₅₇	—	2	3	no	—
41	Dic₂₅₇	C₂²×C₄	1	2	yes	—
42	Dic₂₅₇	#41	1	2	yes	complemented
43	C₂×C₂₅₇	C₂³×C₄	1	1	yes	characteristic
44	C₂×C₂₅₇	C₂×#41	1	1	yes	characteristic
45	C₂×C₂₅₇	C₂×#41	1	1	yes	characteristic
46	D₂₅₇	—	2	6	no	—
47	C₂₅₇	C₄×#41	1	1	yes	characteristic, complemented, Sylow
48	C₄×#41	—	257	1	no	maximal, Sylow
49	C₂×#41	—	257	1	no	—
50	C₄×Q₈	—	257	1	no	—
51	C₄×Q₈	D₂₅₇	1	1	yes	characteristic, complemented
52	C₄×D₄	—	257	3	no	—
53	C₄×D₄	—	257	3	no	—
54	#117	—	257	3	no	—
55	C₂×C₄²	—	257	3	no	—
56	#41	—	257	8	no	—
57	C₂×Q₈	C₂×D₂₅₇	1	1	yes	characteristic
58	C₂×D₄	—	257	3	no	—
59	C₂²×C₄	—	257	3	no	—
60	C₂²×C₄	—	257	3	no	—
61	C₂²×C₄	—	257	3	no	—
62	C₄⋊C₄	—	257	3	no	—
63	C₄⋊C₄	C₂×D₂₅₇	1	3	yes	—
64	C₂²⋊C₄	—	257	6	no	—
65	C₄²	—	257	3	no	—
66	C₄²	—	257	3	no	—
67	C₄²	—	257	1	no	—
68	C₄²	C₂×D₂₅₇	1	3	yes	—
69	C₂³	—	257	3	no	—
70	Q₈	C₄×D₂₅₇	1	4	yes	complemented
71	D₄	—	257	12	no	—
72	C₂×C₄	—	257	1	no	—
73	C₂×C₄	—	257	1	no	—
74	C₂×C₄	—	257	12	no	—
75	C₂×C₄	—	257	3	no	—
76	C₂×C₄	—	514	6	no	—
77	C₂×C₄	—	514	6	no	—
78	C₂×C₄	C₂²×D₂₅₇	1	3	yes	—
79	C₂×C₄	C₂²×D₂₅₇	1	3	yes	—
80	C₂×C₄	C₂²×D₂₅₇	1	1	yes	characteristic
81	C₂²	—	257	6	no	—
82	C₂²	—	514	3	no	—
83	C₂²	—	514	3	no	—
84	C₂²	C₂³×D₂₅₇	1	1	yes	characteristic
85	C₄	—	257	2	no	—
86	C₄	—	257	2	no	—
87	C₄	—	2	3	no	—
88	C₄	—	514	3	no	—
89	C₄	C₂×C₄×D₂₅₇	1	6	yes	—
90	C₄	#16861619	1	2	yes	direct product factor
91	C₂	—	514	6	no	—
92	C₂	C₂²×C₄×D₂₅₇	1	1	yes	characteristic
93	C₂	#41×D₂₅₇	1	1	yes	characteristic
94	C₂	C₂×#16861619	1	1	yes	characteristic

	subgroup	G/H
center	C₂×C₄	C₂²×D₂₅₇
commutator	C₂×C₂₅₇	C₂³×C₄
Frattini	C₂²	C₂³×D₂₅₇
Fitting	C₄×Q₈×C₂₅₇	C₂
socle, cosocle	C₂²×C₂₅₇	C₂⁴
prime radical	C₂×#16861619	C₂
hypercenter	C₄×Q₈	D₂₅₇
hypocenter	C₂₅₇	C₄×#41
LCS	G ▷ C₂×C₂₅₇ ▷ C₂₅₇
UCS	C₁ ◁ C₂×C₄ ◁ C₄×Q₈

Complements

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

N	H ≅ G/N	type
2. Q₈×Dic₂₅₇	C₂	semidirect
3. C₄×D₁₀₂₈	C₂	semidirect
4. #22551554	C₂	semidirect
5. #22551550	C₂	semidirect
6. C₄²×D₂₅₇	C₂	semidirect
7. C₄×Q₈×C₂₅₇	C₂	semidirect
8. #16861619	C₄	direct (N × H)
22. D₁₀₂₈	C₂×C₄	semidirect
28. C₄×D₂₅₇	C₂×C₄	semidirect
29. Q₈×C₂₅₇	C₂×C₄	semidirect
39. C₄×C₂₅₇	#41	semidirect
42. Dic₂₅₇	#41	semidirect
47. C₂₅₇	C₄×#41	semidirect
51. C₄×Q₈	D₂₅₇	semidirect
70. Q₈	C₄×D₂₅₇	semidirect
90. C₄	#16861619	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×#16861619	2
Q₈×Dic₂₅₇	2
C₄×D₁₀₂₈	2
#22551554	2
#22551550	2
C₄²×D₂₅₇	2
C₄×Q₈×C₂₅₇	2
C₄×#41	257

Subgroups — C4×#16861619 #30657207

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₄×#16861619 #30657207