Subgroups — #17984875

Order 4448.

60 conjugacy classes of subgroups.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#14555785	C₂	1	1	yes	maximal, characteristic
2	C₂×Dic₂₇₈	C₂	1	1	yes	maximal, characteristic, complemented
3	Dic₅₅₆	C₂	1	2	yes	maximal, complemented
4	#14555774	C₂	1	2	yes	maximal, complemented
5	M₁₆×C₁₃₉	C₂	1	1	yes	maximal, characteristic, complemented
6	Dic₂₇₈	—	2	1	no	—
7	Dic₂₇₈	C₂²	1	2	yes	—
8	Dic₂₇₈	C₂²	1	1	yes	characteristic
9	D₅₅₆	C₂²	1	1	yes	characteristic
10	C₂²⋊D₁₃₉	—	2	1	no	—
11	C₂×Dic₁₃₉	—	2	1	no	—
12	C₄×D₁₃₉	—	2	1	no	—
13	C₂×C₄×C₁₃₉	C₂²	1	1	yes	characteristic
14	C₈×C₁₃₉	C₂²	1	2	yes	—
15	C₂²×C₁₃₉	D₄	1	1	yes	characteristic
16	C₂×D₁₃₉	—	2	1	no	—
17	C₄×C₁₃₉	D₄	1	1	yes	characteristic
18	C₄×C₁₃₉	C₂³	1	1	yes	characteristic
19	Dic₁₃₉	—	2	1	no	—
20	Dic₁₃₉	—	2	2	no	—
21	C₂×C₁₃₉	—	2	1	no	—
22	C₂×C₁₃₉	C₂×D₄	1	1	yes	characteristic
23	D₁₃₉	—	4	1	no	—
24	C₁₃₉	#137	1	1	yes	characteristic, complemented, Sylow
25	#137	—	139	1	no	maximal, Sylow
26	#41	—	139	1	no	—
27	C₂×Q₈	—	139	1	no	—
28	Q₁₆	—	139	2	no	—
29	SD₁₆	—	139	2	no	—
30	M₁₆	D₁₃₉	1	1	yes	characteristic, complemented
31	Q₈	—	278	1	no	—
32	Q₈	—	139	2	no	—
33	Q₈	—	139	1	no	—
34	D₄	—	278	1	no	—
35	D₄	—	139	1	no	—
36	C₂×C₄	—	278	1	no	—
37	C₂×C₄	—	278	1	no	—
38	C₂×C₄	C₂×D₁₃₉	1	1	yes	characteristic
39	C₈	C₂×D₁₃₉	1	2	yes	—
40	C₂²	—	278	1	no	—
41	C₂²	D₅₅₆	1	1	yes	characteristic
42	C₄	—	278	1	no	—
43	C₄	—	278	2	no	—
44	C₄	D₅₅₆	1	1	yes	characteristic
45	C₄	C₂²×D₁₃₉	1	1	yes	characteristic
46	C₂	—	2	1	no	—
47	C₂	—	556	1	no	—
48	C₂	C₂×D₅₅₆	1	1	yes	characteristic

	subgroup	G/H
center	C₂	C₂×D₅₅₆
commutator, cosocle	C₄×C₁₃₉	C₂³
Frattini	C₄	C₂²×D₁₃₉
Fitting	M₁₆×C₁₃₉	C₂
socle	C₂×C₁₃₉	C₂×D₄
prime radical	#14555785	C₂
hypercenter	M₁₆	D₁₃₉
hypocenter	C₁₃₉	#137
LCS	G ▷ C₄×C₁₃₉ ▷ C₂×C₁₃₉ ▷ C₁₃₉
UCS	C₁ ◁ C₂ ◁ C₂×C₄ ◁ M₁₆

Complements

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

N	H ≅ G/N	type
2. C₂×Dic₂₇₈	C₂	semidirect
3. Dic₅₅₆	C₂	semidirect
4. #14555774	C₂	semidirect
5. M₁₆×C₁₃₉	C₂	semidirect
24. C₁₃₉	#137	semidirect
30. M₁₆	D₁₃₉	semidirect

Maximal subgroups

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

subgroup	index
#14555785	2
C₂×Dic₂₇₈	2
Dic₅₅₆	2
#14555774	2
M₁₆×C₁₃₉	2
#137	139