Subgroups — C₁₉×#23668 #18029627

Order 4864.

874 conjugacy classes of subgroups.

The subgroup lattice has 238 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₁₉×#106	C₂	1	1	yes	maximal, characteristic
2	C₂×C₁₉×#424	C₂	1	1	yes	maximal, characteristic
3	C₁₉×#2317	C₂	1	2	yes	maximal
4	C₁₉×#2088	C₂	1	8	yes	maximal, complemented
5	C₁₉×#1736	C₂	1	2	yes	maximal
6	C₁₉×#1735	C₂	1	1	yes	maximal, characteristic
7	C₂²×M₁₆×C₁₉	C₂²	1	1	yes	characteristic
8	C₂³×C₈×C₁₉	C₂²	1	1	yes	characteristic
9	C₂×C₁₉×#117	C₂²	1	2	yes	—
10	C₂×C₁₉×#117	C₂²	1	1	yes	characteristic
11	C₂²×C₄⋊C₄×C₁₉	C₂²	1	2	yes	—
12	C₂×C₁₉×#106	—	2	4	no	—
13	C₂×C₁₉×#106	C₂²	1	4	yes	—
14	C₁₉×#424	—	2	4	no	—
15	C₂×C₁₉×C₄⋊C₈	C₂²	1	4	yes	—
16	C₁₉×#389	C₂²	1	8	yes	—
17	C₁₉×#385	—	2	4	no	—
18	C₁₉×#384	—	2	2	no	—
19	C₁₉×#382	—	2	2	no	—
20	C₁₉×#340	C₂²	1	4	yes	—
21	C₁₉×#340	C₂²	1	8	yes	—
22	C₂³×C₄×C₁₉	—	2	2	no	—
23	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
24	C₂×M₁₆×C₁₉	—	2	2	no	—
25	C₂×M₁₆×C₁₉	—	2	4	no	—
26	C₂²×C₈×C₁₉	—	2	4	no	—
27	C₂²×C₈×C₁₉	D₄	1	4	yes	—
28	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
29	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
30	C₁₉×#117	—	2	2	no	—
31	C₁₉×#117	—	2	4	no	—
32	C₁₉×#117	—	2	2	no	—
33	C₁₉×#117	Q₈	1	8	yes	—
34	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
35	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
36	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
37	C₂×C₄⋊C₄×C₁₉	—	2	8	no	—
38	C₂×C₄⋊C₄×C₁₉	D₄	1	2	yes	—
39	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
40	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
41	C₂×C₂²⋊C₄×C₁₉	—	2	2	no	—
42	C₂×C₂²⋊C₄×C₁₉	D₄	1	2	yes	—
43	C₂×C₄²×C₁₉	—	2	2	no	—
44	C₂×C₄²×C₁₉	C₂³	1	2	yes	—
45	C₁₉×#106	—	2	8	no	—
46	C₁₉×C₄⋊C₈	—	2	8	no	—
47	C₁₉×#95	—	2	8	no	—
48	C₂⁴×C₁₉	C₂×D₄	1	1	yes	characteristic
49	C₂²×C₄×C₁₉	—	2	4	no	—
50	C₂²×C₄×C₁₉	—	2	4	no	—
51	C₂²×C₄×C₁₉	—	4	4	no	—
52	C₂²×C₄×C₁₉	—	8	4	no	—
53	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
54	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
55	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
56	C₂²×C₄×C₁₉	C₂×Q₈	1	4	yes	—
57	C₂²×C₄×C₁₉	#41	1	2	yes	—
58	C₂²×C₄×C₁₉	#41	1	4	yes	—
59	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
60	M₁₆×C₁₉	—	4	4	no	—
61	C₂×C₈×C₁₉	—	2	8	no	—
62	C₂×C₈×C₁₉	—	2	4	no	—
63	C₂×C₈×C₁₉	—	2	2	no	—
64	C₂×C₈×C₁₉	—	2	4	no	—
65	C₂×C₈×C₁₉	C₂×D₄	1	4	yes	—
66	C₄⋊C₄×C₁₉	—	2	4	no	—
67	C₄⋊C₄×C₁₉	—	2	4	no	—
68	C₄⋊C₄×C₁₉	—	2	4	no	—
69	C₄⋊C₄×C₁₉	—	2	4	no	—
70	C₄⋊C₄×C₁₉	—	4	4	no	—
71	C₄⋊C₄×C₁₉	—	8	8	no	—
72	C₄⋊C₄×C₁₉	C₂×Q₈	1	8	yes	—
73	C₂²⋊C₄×C₁₉	—	2	4	no	—
74	C₂²⋊C₄×C₁₉	—	2	8	no	—
75	C₄²×C₁₉	—	2	8	no	—
76	C₄²×C₁₉	—	2	2	no	—
77	C₄²×C₁₉	—	2	2	no	—
78	#23668	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
79	C₂³×C₁₉	—	2	4	no	—
80	C₂³×C₁₉	#121	1	2	yes	—
81	C₂³×C₁₉	C₂²⋊Q₈	1	4	yes	—
82	C₂³×C₁₉	C₂²×D₄	1	1	yes	characteristic
83	C₂×C₄×C₁₉	—	2	4	no	—
84	C₂×C₄×C₁₉	—	2	8	no	—
85	C₂×C₄×C₁₉	—	2	8	no	—
86	C₂×C₄×C₁₉	—	4	4	no	—
87	C₂×C₄×C₁₉	—	4	4	no	—
88	C₂×C₄×C₁₉	—	4	4	no	—
89	C₂×C₄×C₁₉	—	4	8	no	—
90	C₂×C₄×C₁₉	—	8	8	no	—
91	C₂×C₄×C₁₉	#121	1	2	yes	—
92	C₂×C₄×C₁₉	C₂²⋊Q₈	1	4	yes	—
93	C₂×C₄×C₁₉	#123	1	4	yes	—
94	C₂×C₄×C₁₉	#125	1	8	yes	—
95	C₂×C₄×C₁₉	C₄⋊Q₈	1	4	yes	—
96	C₂×C₄×C₁₉	C₂²×D₄	1	1	yes	characteristic
97	C₂×C₄×C₁₉	C₂²×Q₈	1	2	yes	—
98	C₂×C₄×C₁₉	C₂×#41	1	2	yes	—
99	C₂×C₄×C₁₉	C₂×#41	1	1	yes	characteristic
100	C₈×C₁₉	—	2	4	no	—
101	C₈×C₁₉	—	4	2	no	—
102	C₂²×#106	C₂×C₁₉	1	1	yes	characteristic
103	C₂×#424	C₂×C₁₉	1	1	yes	characteristic
104	#2317	C₂×C₁₉	1	2	yes	—
105	#2088	C₂×C₁₉	1	8	yes	complemented
106	#1736	C₂×C₁₉	1	2	yes	—
107	#1735	C₂×C₁₉	1	1	yes	characteristic
108	C₂²×C₁₉	—	2	8	no	—
109	C₂²×C₁₉	—	2	4	no	—
110	C₂²×C₁₉	#398	1	4	yes	—
111	C₂²×C₁₉	C₂×#121	1	1	yes	characteristic
112	C₂²×C₁₉	C₂×C₂²⋊Q₈	1	2	yes	—
113	C₂²×C₁₉	#577	1	4	yes	—
114	C₄×C₁₉	—	4	8	no	—
115	C₄×C₁₉	—	4	4	no	—
116	C₄×C₁₉	—	8	4	no	—
117	C₄×C₁₉	#398	1	4	yes	—
118	C₄×C₁₉	C₂×#123	1	1	yes	characteristic
119	C₄×C₁₉	C₂×#125	1	2	yes	—
120	C₄×C₁₉	C₂×C₄⋊Q₈	1	1	yes	characteristic
121	C₂²×M₁₆	C₂²×C₁₉	1	1	yes	characteristic
122	C₂³×C₈	C₂²×C₁₉	1	1	yes	characteristic
123	C₂×#117	C₂²×C₁₉	1	2	yes	—
124	C₂×#117	C₂²×C₁₉	1	1	yes	characteristic
125	C₂²×C₄⋊C₄	C₂²×C₁₉	1	2	yes	—
126	C₂×#106	—	2	4	no	—
127	C₂×#106	C₂²×C₁₉	1	4	yes	—
128	#424	—	2	4	no	—
129	C₂×C₄⋊C₈	C₂²×C₁₉	1	4	yes	—
130	#389	C₂²×C₁₉	1	8	yes	—
131	#385	—	2	4	no	—
132	#384	—	2	2	no	—
133	#382	—	2	2	no	—
134	#340	C₂²×C₁₉	1	4	yes	—
135	#340	C₂²×C₁₉	1	8	yes	—
136	C₂×C₁₉	—	2	4	no	—
137	C₂×C₁₉	C₂×#398	1	1	yes	characteristic
138	C₂×C₁₉	#3057	1	2	yes	—
139	C₂×C₁₉	#3084	1	4	yes	—
140	C₂³×C₄	—	2	2	no	—
141	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
142	C₂×M₁₆	—	2	2	no	—
143	C₂×M₁₆	—	2	4	no	—
144	C₂²×C₈	—	2	4	no	—
145	C₂²×C₈	D₄×C₁₉	1	4	yes	—
146	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
147	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
148	#117	—	2	2	no	—
149	#117	—	2	4	no	—
150	#117	—	2	2	no	—
151	#117	Q₈×C₁₉	1	8	yes	—
152	C₂×C₄⋊C₄	—	2	4	no	—
153	C₂×C₄⋊C₄	—	2	4	no	—
154	C₂×C₄⋊C₄	—	2	2	no	—
155	C₂×C₄⋊C₄	—	2	8	no	—
156	C₂×C₄⋊C₄	D₄×C₁₉	1	2	yes	—
157	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
158	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
159	C₂×C₂²⋊C₄	—	2	2	no	—
160	C₂×C₂²⋊C₄	D₄×C₁₉	1	2	yes	—
161	C₂×C₄²	—	2	2	no	—
162	C₂×C₄²	C₂³×C₁₉	1	2	yes	—
163	#106	—	2	8	no	—
164	C₄⋊C₈	—	2	8	no	—
165	#95	—	2	8	no	—
166	C₁₉	#23668	1	1	yes	characteristic, direct product factor, Sylow
167	C₂⁴	C₂×D₄×C₁₉	1	1	yes	characteristic
168	C₂²×C₄	—	2	4	no	—
169	C₂²×C₄	—	2	4	no	—
170	C₂²×C₄	—	4	4	no	—
171	C₂²×C₄	—	8	4	no	—
172	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
173	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
174	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
175	C₂²×C₄	C₂×Q₈×C₁₉	1	4	yes	—
176	C₂²×C₄	#41×C₁₉	1	2	yes	—
177	C₂²×C₄	#41×C₁₉	1	4	yes	—
178	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
179	M₁₆	—	4	4	no	—
180	C₂×C₈	—	2	8	no	—
181	C₂×C₈	—	2	4	no	—
182	C₂×C₈	—	2	2	no	—
183	C₂×C₈	—	2	4	no	—
184	C₂×C₈	C₂×D₄×C₁₉	1	4	yes	—
185	C₄⋊C₄	—	2	4	no	—
186	C₄⋊C₄	—	2	4	no	—
187	C₄⋊C₄	—	2	4	no	—
188	C₄⋊C₄	—	2	4	no	—
189	C₄⋊C₄	—	4	4	no	—
190	C₄⋊C₄	—	8	8	no	—
191	C₄⋊C₄	C₂×Q₈×C₁₉	1	8	yes	—
192	C₂²⋊C₄	—	2	4	no	—
193	C₂²⋊C₄	—	2	8	no	—
194	C₄²	—	2	8	no	—
195	C₄²	—	2	2	no	—
196	C₄²	—	2	2	no	—
197	C₂³	—	2	4	no	—
198	C₂³	C₁₉×#121	1	2	yes	—
199	C₂³	C₁₉×C₂²⋊Q₈	1	4	yes	—
200	C₂³	C₂²×D₄×C₁₉	1	1	yes	characteristic
201	C₂×C₄	—	2	4	no	—
202	C₂×C₄	—	2	8	no	—
203	C₂×C₄	—	2	8	no	—
204	C₂×C₄	—	4	4	no	—
205	C₂×C₄	—	4	4	no	—
206	C₂×C₄	—	4	4	no	—
207	C₂×C₄	—	4	8	no	—
208	C₂×C₄	—	8	8	no	—
209	C₂×C₄	C₁₉×#121	1	2	yes	—
210	C₂×C₄	C₁₉×C₂²⋊Q₈	1	4	yes	—
211	C₂×C₄	C₁₉×#123	1	4	yes	—
212	C₂×C₄	C₁₉×#125	1	8	yes	—
213	C₂×C₄	C₁₉×C₄⋊Q₈	1	4	yes	—
214	C₂×C₄	C₂²×D₄×C₁₉	1	1	yes	characteristic
215	C₂×C₄	C₂²×Q₈×C₁₉	1	2	yes	—
216	C₂×C₄	C₂×#41×C₁₉	1	2	yes	—
217	C₂×C₄	C₂×#41×C₁₉	1	1	yes	characteristic
218	C₈	—	2	4	no	—
219	C₈	—	4	2	no	—
220	C₂²	—	2	4	no	—
221	C₂²	—	2	8	no	—
222	C₂²	C₁₉×#398	1	4	yes	—
223	C₂²	C₂×C₁₉×#121	1	1	yes	characteristic
224	C₂²	C₂×C₁₉×C₂²⋊Q₈	1	2	yes	—
225	C₂²	C₁₉×#577	1	4	yes	—
226	C₄	—	4	4	no	—
227	C₄	—	4	8	no	—
228	C₄	—	8	4	no	—
229	C₄	C₁₉×#398	1	4	yes	—
230	C₄	C₂×C₁₉×#123	1	1	yes	characteristic
231	C₄	C₂×C₁₉×#125	1	2	yes	—
232	C₄	C₂×C₁₉×C₄⋊Q₈	1	1	yes	characteristic
233	C₂	—	2	4	no	—
234	C₂	C₂×C₁₉×#398	1	1	yes	characteristic
235	C₂	C₁₉×#3057	1	2	yes	—
236	C₂	C₁₉×#3084	1	4	yes	—

	subgroup	G/H
center, socle	C₂³×C₁₉	C₂²×D₄
commutator, Frattini, cosocle	C₂²×C₄	C₂⁴×C₁₉
prime radical	C₂⁴×C₁₉	C₂×D₄
LCS	G ▷ C₂²×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₁₉ ◁ C₂×C₁₉×#117 ◁ G

Complements

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

N	H ≅ G/N	type
4. C₁₉×#2088	C₂	semidirect
78. #23668	C₁₉	direct (N × H)
105. #2088	C₂×C₁₉	semidirect
166. C₁₉	#23668	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×#106	2
C₂×C₁₉×#424	2
C₁₉×#2317	2
C₁₉×#2088	2
C₁₉×#1736	2
C₁₉×#1735	2
#23668	19

Subgroups — C19×#23668 #18029627

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#23668 #18029627