Subgroups — C₂×C₁₉×#2247 #18039669

Order 4864.

814 conjugacy classes of subgroups.

The subgroup lattice has 156 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₁₉×Q₃₂	C₂	1	4	yes	maximal
2	C₂×C₁₉×#494	C₂	1	2	yes	maximal
3	C₁₉×#2247	C₂	1	8	yes	maximal, direct product factor
4	C₂×C₄×C₁₆×C₁₉	C₂	1	1	yes	maximal, characteristic
5	C₂²×Q₁₆×C₁₉	—	2	2	no	—
6	C₂²×Q₁₆×C₁₉	C₂²	1	4	yes	—
7	C₂×C₁₉×C₄⋊Q₈	—	2	2	no	—
8	C₂×C₁₉×Q₃₂	—	2	16	no	—
9	C₂×C₁₉×Q₃₂	C₂²	1	16	yes	—
10	C₂²×C₁₆×C₁₉	C₂²	1	2	yes	—
11	C₁₉×#494	—	2	4	no	—
12	C₁₉×#494	C₂²	1	8	yes	—
13	C₂×C₄×C₈×C₁₉	C₂²	1	1	yes	characteristic
14	C₄×C₁₆×C₁₉	C₂²	1	4	yes	—
15	C₂²×Q₈×C₁₉	—	2	4	no	—
16	C₂×Q₁₆×C₁₉	—	2	16	no	—
17	C₂×Q₁₆×C₁₉	—	2	4	no	—
18	C₂×Q₁₆×C₁₉	—	2	8	no	—
19	C₂×Q₁₆×C₁₉	—	4	8	no	—
20	C₂×Q₁₆×C₁₉	C₂³	1	8	yes	—
21	C₂²×C₈×C₁₉	D₄	1	1	yes	characteristic
22	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
23	C₁₉×C₄⋊Q₈	—	2	8	no	—
24	C₁₉×C₄⋊Q₈	—	4	4	no	—
25	C₂×C₄⋊C₄×C₁₉	—	4	4	no	—
26	C₂×C₄²×C₁₉	D₄	1	1	yes	characteristic
27	C₁₉×Q₃₂	—	2	32	no	—
28	C₂×C₁₆×C₁₉	D₄	1	8	yes	—
29	C₂×C₁₆×C₁₉	C₂³	1	4	yes	—
30	C₄×C₈×C₁₉	D₄	1	2	yes	—
31	C₄×C₈×C₁₉	C₂³	1	2	yes	—
32	C₂×Q₈×C₁₉	—	2	8	no	—
33	C₂×Q₈×C₁₉	—	4	4	no	—
34	C₂×Q₈×C₁₉	—	4	8	no	—
35	C₂×Q₈×C₁₉	—	4	8	no	—
36	C₂²×C₄×C₁₉	—	4	4	no	—
37	C₂²×C₄×C₁₉	D₈	1	2	yes	—
38	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
39	Q₁₆×C₁₉	—	2	16	no	—
40	Q₁₆×C₁₉	—	4	8	no	—
41	Q₁₆×C₁₉	—	4	16	no	—
42	C₂×C₈×C₁₉	D₈	1	4	yes	—
43	C₂×C₈×C₁₉	C₂×D₄	1	1	yes	characteristic
44	C₂×C₈×C₁₉	C₂×D₄	1	4	yes	—
45	C₂×C₈×C₁₉	C₂×D₄	1	2	yes	—
46	C₂×C₈×C₁₉	C₂⁴	1	1	yes	characteristic
47	C₄⋊C₄×C₁₉	—	4	16	no	—
48	C₄²×C₁₉	D₈	1	2	yes	—
49	C₄²×C₁₉	C₂×D₄	1	2	yes	—
50	C₁₆×C₁₉	C₂×D₄	1	8	yes	—
51	C₂×#2247	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
52	C₂³×C₁₉	C₂×D₈	1	1	yes	characteristic
53	Q₈×C₁₉	—	4	8	no	—
54	Q₈×C₁₉	—	4	8	no	—
55	Q₈×C₁₉	—	8	8	no	—
56	C₂×C₄×C₁₉	—	4	8	no	—
57	C₂×C₄×C₁₉	—	8	8	no	—
58	C₂×C₄×C₁₉	Q₃₂	1	8	yes	complemented
59	C₂×C₄×C₁₉	#127	1	2	yes	—
60	C₂×C₄×C₁₉	C₂×D₈	1	2	yes	—
61	C₂×C₄×C₁₉	C₂×D₈	1	1	yes	characteristic
62	C₂×C₄×C₁₉	C₂×D₈	1	4	yes	—
63	C₂×C₄×C₁₉	C₂²×D₄	1	1	yes	characteristic
64	C₈×C₁₉	#127	1	2	yes	—
65	C₈×C₁₉	C₂×D₈	1	4	yes	—
66	C₈×C₁₉	C₂²×D₄	1	2	yes	—
67	C₂²×Q₃₂	C₂×C₁₉	1	4	yes	—
68	C₂×#494	C₂×C₁₉	1	2	yes	—
69	#2247	C₂×C₁₉	1	8	yes	direct product factor
70	C₂×C₄×C₁₆	C₂×C₁₉	1	1	yes	characteristic
71	C₂²×C₁₉	#493	1	2	yes	—
72	C₂²×C₁₉	C₂×Q₃₂	1	4	yes	—
73	C₂²×C₁₉	C₂²×D₈	1	1	yes	characteristic
74	C₄×C₁₉	—	8	8	no	—
75	C₄×C₁₉	#493	1	2	yes	—
76	C₄×C₁₉	C₂×Q₃₂	1	8	yes	complemented
77	C₄×C₁₉	C₂×#127	1	1	yes	characteristic
78	C₄×C₁₉	C₂²×D₈	1	1	yes	characteristic
79	C₂²×Q₁₆	—	2	2	no	—
80	C₂²×Q₁₆	C₂²×C₁₉	1	4	yes	—
81	C₂×C₄⋊Q₈	—	2	2	no	—
82	C₂×Q₃₂	—	2	16	no	—
83	C₂×Q₃₂	C₂²×C₁₉	1	16	yes	—
84	C₂²×C₁₆	C₂²×C₁₉	1	2	yes	—
85	#494	—	2	4	no	—
86	#494	C₂²×C₁₉	1	8	yes	—
87	C₂×C₄×C₈	C₂²×C₁₉	1	1	yes	characteristic
88	C₄×C₁₆	C₂²×C₁₉	1	4	yes	—
89	C₂×C₁₉	#2247	1	4	yes	direct product factor
90	C₂×C₁₉	C₂×#493	1	1	yes	characteristic
91	C₂×C₁₉	C₂²×Q₃₂	1	2	yes	—
92	C₂²×Q₈	—	2	4	no	—
93	C₂×Q₁₆	—	2	16	no	—
94	C₂×Q₁₆	—	2	8	no	—
95	C₂×Q₁₆	—	2	4	no	—
96	C₂×Q₁₆	—	4	8	no	—
97	C₂×Q₁₆	C₂³×C₁₉	1	8	yes	—
98	C₂²×C₈	D₄×C₁₉	1	1	yes	characteristic
99	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
100	C₄⋊Q₈	—	2	8	no	—
101	C₄⋊Q₈	—	4	4	no	—
102	C₂×C₄⋊C₄	—	4	4	no	—
103	C₂×C₄²	D₄×C₁₉	1	1	yes	characteristic
104	Q₃₂	—	2	32	no	—
105	C₂×C₁₆	D₄×C₁₉	1	8	yes	—
106	C₂×C₁₆	C₂³×C₁₉	1	4	yes	—
107	C₄×C₈	D₄×C₁₉	1	2	yes	—
108	C₄×C₈	C₂³×C₁₉	1	2	yes	—
109	C₁₉	C₂×#2247	1	1	yes	characteristic, direct product factor, Sylow
110	C₂×Q₈	—	2	8	no	—
111	C₂×Q₈	—	4	4	no	—
112	C₂×Q₈	—	4	8	no	—
113	C₂×Q₈	—	4	8	no	—
114	C₂²×C₄	—	4	4	no	—
115	C₂²×C₄	D₈×C₁₉	1	2	yes	—
116	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
117	Q₁₆	—	2	16	no	—
118	Q₁₆	—	4	8	no	—
119	Q₁₆	—	4	16	no	—
120	C₂×C₈	D₈×C₁₉	1	4	yes	—
121	C₂×C₈	C₂×D₄×C₁₉	1	1	yes	characteristic
122	C₂×C₈	C₂×D₄×C₁₉	1	4	yes	—
123	C₂×C₈	C₂×D₄×C₁₉	1	2	yes	—
124	C₂×C₈	C₂⁴×C₁₉	1	1	yes	characteristic
125	C₄⋊C₄	—	4	16	no	—
126	C₄²	D₈×C₁₉	1	2	yes	—
127	C₄²	C₂×D₄×C₁₉	1	2	yes	—
128	C₁₆	C₂×D₄×C₁₉	1	8	yes	—
129	C₂³	C₂×D₈×C₁₉	1	1	yes	characteristic
130	Q₈	—	4	8	no	—
131	Q₈	—	4	8	no	—
132	Q₈	—	8	8	no	—
133	C₂×C₄	—	4	8	no	—
134	C₂×C₄	—	8	8	no	—
135	C₂×C₄	C₁₉×Q₃₂	1	8	yes	complemented
136	C₂×C₄	C₁₉×#127	1	2	yes	—
137	C₂×C₄	C₂×D₈×C₁₉	1	1	yes	characteristic
138	C₂×C₄	C₂×D₈×C₁₉	1	2	yes	—
139	C₂×C₄	C₂×D₈×C₁₉	1	4	yes	—
140	C₂×C₄	C₂²×D₄×C₁₉	1	1	yes	characteristic
141	C₈	C₁₉×#127	1	2	yes	—
142	C₈	C₂×D₈×C₁₉	1	4	yes	—
143	C₈	C₂²×D₄×C₁₉	1	2	yes	—
144	C₂²	C₁₉×#493	1	2	yes	—
145	C₂²	C₂×C₁₉×Q₃₂	1	4	yes	—
146	C₂²	C₂²×D₈×C₁₉	1	1	yes	characteristic
147	C₄	—	8	8	no	—
148	C₄	C₁₉×#493	1	2	yes	—
149	C₄	C₂×C₁₉×Q₃₂	1	8	yes	complemented
150	C₄	C₂×C₁₉×#127	1	1	yes	characteristic
151	C₄	C₂²×D₈×C₁₉	1	1	yes	characteristic
152	C₂	C₁₉×#2247	1	4	yes	direct product factor
153	C₂	C₂×C₁₉×#493	1	1	yes	characteristic
154	C₂	C₂²×C₁₉×Q₃₂	1	2	yes	—

	subgroup	G/H
center, socle, prime radical	C₂³×C₁₉	C₂×D₈
commutator, Frattini, cosocle	C₂×C₈	C₂⁴×C₁₉
LCS	G ▷ C₂×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₁₉ ◁ C₂×C₄²×C₁₉ ◁ C₂×C₄×C₈×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
3. C₁₉×#2247	C₂	direct (N × H)
51. C₂×#2247	C₁₉	direct (N × H)
58. C₂×C₄×C₁₉	Q₃₂	semidirect
69. #2247	C₂×C₁₉	direct (N × H)
76. C₄×C₁₉	C₂×Q₃₂	semidirect
89. C₂×C₁₉	#2247	direct (N × H)
109. C₁₉	C₂×#2247	direct (N × H)
135. C₂×C₄	C₁₉×Q₃₂	semidirect
149. C₄	C₂×C₁₉×Q₃₂	semidirect
152. C₂	C₁₉×#2247	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×C₁₉×Q₃₂	2
C₂×C₁₉×#494	2
C₁₉×#2247	2
C₂×C₄×C₁₆×C₁₉	2
C₂×#2247	19

Subgroups — C2×C19×#2247 #18039669

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×C₁₉×#2247 #18039669