Subgroups — C₁₉×#9871 #18015830

Order 4864.

494 conjugacy classes of subgroups.

The subgroup lattice has 210 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₄×C₁₉×#125	C₂	1	1	yes	maximal, characteristic
2	C₁₉×#1831	C₂	1	1	yes	maximal, characteristic
3	C₄²×C₈×C₁₉	C₂	1	1	yes	maximal, characteristic
4	C₁₉×#1279	C₂	1	4	yes	maximal
5	C₂×C₁₉×#125	C₄	1	1	yes	characteristic
6	C₂×C₁₉×C₄⋊C₈	C₂²	1	2	yes	—
7	C₂×C₄×C₈×C₁₉	—	2	2	no	—
8	C₂×C₄×C₈×C₁₉	C₂²	1	2	yes	—
9	C₁₉×#389	C₄	1	2	yes	—
10	C₁₉×#387	—	2	2	no	—
11	C₁₉×#382	C₄	1	1	yes	characteristic
12	C₄×C₄⋊C₄×C₁₉	—	2	2	no	—
13	C₄×C₄⋊C₄×C₁₉	C₂²	1	2	yes	—
14	C₄³×C₁₉	C₂²	1	1	yes	characteristic
15	C₁₉×#336	—	2	2	no	—
16	C₂²×C₈×C₁₉	—	2	2	no	—
17	C₂²×C₈×C₁₉	—	2	2	no	—
18	C₁₉×#125	—	2	2	no	—
19	C₁₉×#125	C₈	1	4	yes	complemented
20	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
21	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
22	C₂×C₄⋊C₄×C₁₉	C₂×C₄	1	2	yes	—
23	C₂×C₄⋊C₄×C₁₉	C₂×C₄	1	2	yes	—
24	C₂×C₄²×C₁₉	—	2	2	no	—
25	C₂×C₄²×C₁₉	C₂×C₄	1	1	yes	characteristic
26	C₂×C₄²×C₁₉	C₂×C₄	1	1	yes	characteristic
27	C₂×C₄²×C₁₉	D₄	1	2	yes	—
28	C₂×C₄²×C₁₉	D₄	1	2	yes	—
29	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
30	C₁₉×C₄⋊C₈	—	2	4	no	—
31	C₄×C₈×C₁₉	—	2	8	no	—
32	C₄×C₈×C₁₉	—	2	2	no	—
33	C₄×C₈×C₁₉	Q₈	1	4	yes	—
34	C₁₉×#95	—	2	2	no	—
35	C₁₉×#95	—	2	2	no	—
36	C₁₉×#95	—	2	2	no	—
37	C₂²×C₄×C₁₉	—	2	2	no	—
38	C₂²×C₄×C₁₉	—	2	2	no	—
39	C₂²×C₄×C₁₉	C₂²⋊C₄	1	2	yes	—
40	C₂²×C₄×C₁₉	C₂²⋊C₄	1	2	yes	—
41	C₂²×C₄×C₁₉	C₂²×C₄	1	1	yes	characteristic
42	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
43	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
44	C₂×C₈×C₁₉	—	2	8	no	—
45	C₂×C₈×C₁₉	—	2	4	no	—
46	C₂×C₈×C₁₉	—	4	2	no	—
47	C₂×C₈×C₁₉	—	4	4	no	—
48	C₄⋊C₄×C₁₉	—	2	8	no	—
49	C₄⋊C₄×C₁₉	—	2	2	no	—
50	C₄⋊C₄×C₁₉	—	2	4	no	—
51	C₄⋊C₄×C₁₉	—	4	4	no	—
52	C₄⋊C₄×C₁₉	C₂×C₈	1	4	yes	—
53	C₄²×C₁₉	—	2	4	no	—
54	C₄²×C₁₉	—	2	2	no	—
55	C₄²×C₁₉	—	2	4	no	—
56	C₄²×C₁₉	—	4	4	no	—
57	C₄²×C₁₉	C₂×C₈	1	2	yes	—
58	C₄²×C₁₉	M₁₆	1	2	yes	—
59	C₄²×C₁₉	C₂×Q₈	1	2	yes	—
60	C₄²×C₁₉	#41	1	2	yes	—
61	#9871	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
62	C₂³×C₁₉	C₂×C₂²⋊C₄	1	1	yes	characteristic
63	C₂×C₄×C₁₉	—	2	2	no	—
64	C₂×C₄×C₁₉	—	2	2	no	—
65	C₂×C₄×C₁₉	—	2	2	no	—
66	C₂×C₄×C₁₉	—	2	2	no	—
67	C₂×C₄×C₁₉	—	2	2	no	—
68	C₂×C₄×C₁₉	—	2	4	no	—
69	C₂×C₄×C₁₉	—	4	2	no	—
70	C₂×C₄×C₁₉	—	4	2	no	—
71	C₂×C₄×C₁₉	—	4	2	no	—
72	C₂×C₄×C₁₉	—	4	2	no	—
73	C₂×C₄×C₁₉	—	4	2	no	—
74	C₂×C₄×C₁₉	C₂²⋊C₈	1	4	yes	—
75	C₂×C₄×C₁₉	#104	1	4	yes	—
76	C₂×C₄×C₁₉	C₄×Q₈	1	2	yes	—
77	C₂×C₄×C₁₉	C₂²⋊Q₈	1	2	yes	—
78	C₂×C₄×C₁₉	#124	1	1	yes	characteristic
79	C₂×C₄×C₁₉	C₄⋊Q₈	1	1	yes	characteristic
80	C₂×C₄×C₁₉	C₂²×C₈	1	1	yes	characteristic
81	C₂×C₄×C₁₉	C₂×M₁₆	1	1	yes	characteristic
82	C₂×C₄×C₁₉	#131	1	2	yes	—
83	C₂×C₄×C₁₉	#135	1	4	yes	—
84	C₈×C₁₉	—	2	8	no	—
85	C₈×C₁₉	—	8	2	no	—
86	C₄×#125	C₂×C₁₉	1	1	yes	characteristic
87	#1831	C₂×C₁₉	1	1	yes	characteristic
88	C₄²×C₈	C₂×C₁₉	1	1	yes	characteristic
89	#1279	C₂×C₁₉	1	4	yes	—
90	C₂²×C₁₉	#391	1	1	yes	characteristic
91	C₂²×C₁₉	C₂×C₂²⋊C₈	1	1	yes	characteristic
92	C₂²×C₁₉	#408	1	1	yes	characteristic
93	C₂²×C₁₉	#416	1	2	yes	—
94	C₂²×C₁₉	C₂×#104	1	2	yes	—
95	C₄×C₁₉	—	2	4	no	—
96	C₄×C₁₉	—	2	2	no	—
97	C₄×C₁₉	—	2	4	no	—
98	C₄×C₁₉	—	4	4	no	—
99	C₄×C₁₉	—	8	2	no	—
100	C₄×C₁₉	C₈×Q₈	1	2	yes	—
101	C₄×C₁₉	#446	1	2	yes	—
102	C₄×C₁₉	#488	1	2	yes	—
103	C₄×C₁₉	#499	1	2	yes	—
104	C₂×#125	C₄×C₁₉	1	1	yes	characteristic
105	C₂×C₄⋊C₈	C₂²×C₁₉	1	2	yes	—
106	C₂×C₄×C₈	—	2	2	no	—
107	C₂×C₄×C₈	C₂²×C₁₉	1	2	yes	—
108	#389	C₄×C₁₉	1	2	yes	—
109	#387	—	2	2	no	—
110	#382	C₄×C₁₉	1	1	yes	characteristic
111	C₄×C₄⋊C₄	—	2	2	no	—
112	C₄×C₄⋊C₄	C₂²×C₁₉	1	2	yes	—
113	C₄³	C₂²×C₁₉	1	1	yes	characteristic
114	#336	—	2	2	no	—
115	C₂×C₁₉	#1476	1	2	yes	—
116	C₂×C₁₉	#1494	1	2	yes	—
117	C₂×C₁₉	#1984	1	1	yes	characteristic
118	C₂×C₁₉	#1991	1	1	yes	characteristic
119	C₂×C₁₉	#1994	1	1	yes	characteristic
120	C₂²×C₈	—	2	2	no	—
121	C₂²×C₈	—	2	2	no	—
122	#125	—	2	2	no	—
123	#125	C₈×C₁₉	1	4	yes	complemented
124	C₂×C₄⋊C₄	—	2	2	no	—
125	C₂×C₄⋊C₄	—	2	2	no	—
126	C₂×C₄⋊C₄	C₂×C₄×C₁₉	1	2	yes	—
127	C₂×C₄⋊C₄	C₂×C₄×C₁₉	1	2	yes	—
128	C₂×C₄²	—	2	2	no	—
129	C₂×C₄²	C₂×C₄×C₁₉	1	1	yes	characteristic
130	C₂×C₄²	C₂×C₄×C₁₉	1	1	yes	characteristic
131	C₂×C₄²	D₄×C₁₉	1	2	yes	—
132	C₂×C₄²	D₄×C₁₉	1	2	yes	—
133	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
134	C₄⋊C₈	—	2	4	no	—
135	C₄×C₈	—	2	8	no	—
136	C₄×C₈	—	2	2	no	—
137	C₄×C₈	Q₈×C₁₉	1	4	yes	—
138	#95	—	2	2	no	—
139	#95	—	2	2	no	—
140	#95	—	2	2	no	—
141	C₁₉	#9871	1	1	yes	characteristic, direct product factor, Sylow
142	C₂²×C₄	—	2	2	no	—
143	C₂²×C₄	—	2	2	no	—
144	C₂²×C₄	C₂²⋊C₄×C₁₉	1	2	yes	—
145	C₂²×C₄	C₂²⋊C₄×C₁₉	1	2	yes	—
146	C₂²×C₄	C₂²×C₄×C₁₉	1	1	yes	characteristic
147	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
148	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
149	C₂×C₈	—	2	8	no	—
150	C₂×C₈	—	2	4	no	—
151	C₂×C₈	—	4	2	no	—
152	C₂×C₈	—	4	4	no	—
153	C₄⋊C₄	—	2	2	no	—
154	C₄⋊C₄	—	2	8	no	—
155	C₄⋊C₄	—	2	4	no	—
156	C₄⋊C₄	—	4	4	no	—
157	C₄⋊C₄	C₂×C₈×C₁₉	1	4	yes	—
158	C₄²	—	2	2	no	—
159	C₄²	—	2	4	no	—
160	C₄²	—	2	4	no	—
161	C₄²	—	4	4	no	—
162	C₄²	C₂×C₈×C₁₉	1	2	yes	—
163	C₄²	M₁₆×C₁₉	1	2	yes	—
164	C₄²	C₂×Q₈×C₁₉	1	2	yes	—
165	C₄²	#41×C₁₉	1	2	yes	—
166	C₂³	C₂×C₂²⋊C₄×C₁₉	1	1	yes	characteristic
167	C₂×C₄	—	2	2	no	—
168	C₂×C₄	—	2	2	no	—
169	C₂×C₄	—	2	2	no	—
170	C₂×C₄	—	2	2	no	—
171	C₂×C₄	—	2	2	no	—
172	C₂×C₄	—	2	4	no	—
173	C₂×C₄	—	4	2	no	—
174	C₂×C₄	—	4	2	no	—
175	C₂×C₄	—	4	2	no	—
176	C₂×C₄	—	4	2	no	—
177	C₂×C₄	—	4	2	no	—
178	C₂×C₄	C₁₉×C₂²⋊C₈	1	4	yes	—
179	C₂×C₄	C₁₉×#104	1	4	yes	—
180	C₂×C₄	C₄×Q₈×C₁₉	1	2	yes	—
181	C₂×C₄	C₁₉×C₂²⋊Q₈	1	2	yes	—
182	C₂×C₄	C₁₉×#124	1	1	yes	characteristic
183	C₂×C₄	C₁₉×C₄⋊Q₈	1	1	yes	characteristic
184	C₂×C₄	C₂²×C₈×C₁₉	1	1	yes	characteristic
185	C₂×C₄	C₂×M₁₆×C₁₉	1	1	yes	characteristic
186	C₂×C₄	C₁₉×#131	1	2	yes	—
187	C₂×C₄	C₁₉×#135	1	4	yes	—
188	C₈	—	2	8	no	—
189	C₈	—	8	2	no	—
190	C₂²	C₁₉×#391	1	1	yes	characteristic
191	C₂²	C₂×C₁₉×C₂²⋊C₈	1	1	yes	characteristic
192	C₂²	C₁₉×#408	1	1	yes	characteristic
193	C₂²	C₁₉×#416	1	2	yes	—
194	C₂²	C₂×C₁₉×#104	1	2	yes	—
195	C₄	—	2	4	no	—
196	C₄	—	2	2	no	—
197	C₄	—	2	4	no	—
198	C₄	—	4	4	no	—
199	C₄	—	8	2	no	—
200	C₄	C₈×Q₈×C₁₉	1	2	yes	—
201	C₄	C₁₉×#446	1	2	yes	—
202	C₄	C₁₉×#488	1	2	yes	—
203	C₄	C₁₉×#499	1	2	yes	—
204	C₂	C₁₉×#1476	1	2	yes	—
205	C₂	C₁₉×#1494	1	2	yes	—
206	C₂	C₁₉×#1984	1	1	yes	characteristic
207	C₂	C₁₉×#1991	1	1	yes	characteristic
208	C₂	C₁₉×#1994	1	1	yes	characteristic

	subgroup	G/H
center	C₂²×C₄×C₁₉	C₂×D₄
commutator	C₂×C₄	C₂²×C₈×C₁₉
Frattini, cosocle	C₂×C₄²	C₂³×C₁₉
socle, prime radical	C₂³×C₁₉	C₂×C₂²⋊C₄
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₄×C₁₉ ◁ C₄³×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
19. C₁₉×#125	C₈	semidirect
61. #9871	C₁₉	direct (N × H)
123. #125	C₈×C₁₉	semidirect
141. C₁₉	#9871	direct (N × H)

Maximal subgroups

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

subgroup	index
C₄×C₁₉×#125	2
C₁₉×#1831	2
C₄²×C₈×C₁₉	2
C₁₉×#1279	2
#9871	19

Subgroups — C19×#9871 #18015830

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#9871 #18015830