Subgroups — C₁₉×#20682 #18026641

Order 4864.

2022 conjugacy classes of subgroups.

The subgroup lattice has 240 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂³×C₄²×C₁₉	C₂	1	1	yes	maximal, characteristic
2	C₂×C₁₉×#407	C₂	1	2	yes	maximal
3	C₁₉×#1817	C₂	1	8	yes	maximal, complemented
4	C₁₉×#1728	C₂	1	4	yes	maximal, complemented
5	C₂⁴×C₄×C₁₉	C₄	1	2	yes	—
6	C₂⁴×C₄×C₁₉	C₂²	1	1	yes	characteristic
7	C₂²×M₁₆×C₁₉	C₂²	1	4	yes	—
8	C₂²×C₄²×C₁₉	—	2	8	no	—
9	C₂²×C₄²×C₁₉	C₄	1	2	yes	—
10	C₂²×C₄²×C₁₉	C₄	1	4	yes	—
11	C₂²×C₄²×C₁₉	C₂²	1	2	yes	—
12	C₂²×C₄²×C₁₉	C₂²	1	4	yes	—
13	C₁₉×#407	—	2	8	no	—
14	C₂×C₁₉×C₂²⋊C₈	C₂²	1	8	yes	—
15	C₁₉×#336	C₂²	1	16	yes	complemented
16	C₂⁵×C₁₉	C₂×C₄	1	1	yes	characteristic
17	C₂³×C₄×C₁₉	—	2	8	no	—
18	C₂³×C₄×C₁₉	—	2	16	no	—
19	C₂³×C₄×C₁₉	—	2	8	no	—
20	C₂³×C₄×C₁₉	C₂×C₄	1	4	yes	—
21	C₂³×C₄×C₁₉	C₂×C₄	1	4	yes	—
22	C₂³×C₄×C₁₉	C₂×C₄	1	1	yes	characteristic
23	C₂³×C₄×C₁₉	C₂×C₄	1	2	yes	—
24	C₂³×C₄×C₁₉	C₂×C₄	1	4	yes	—
25	C₂³×C₄×C₁₉	D₄	1	8	yes	—
26	C₂³×C₄×C₁₉	C₂³	1	2	yes	—
27	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
28	C₂×M₁₆×C₁₉	—	2	8	no	—
29	C₂×M₁₆×C₁₉	—	2	16	no	—
30	C₂²×C₈×C₁₉	C₂³	1	8	yes	—
31	C₂×C₄²×C₁₉	—	2	8	no	—
32	C₂×C₄²×C₁₉	—	2	16	no	—
33	C₂×C₄²×C₁₉	—	2	16	no	—
34	C₂×C₄²×C₁₉	—	2	8	no	—
35	C₂×C₄²×C₁₉	C₂×C₄	1	8	yes	—
36	C₂×C₄²×C₁₉	C₂×C₄	1	4	yes	—
37	C₂×C₄²×C₁₉	C₂³	1	4	yes	—
38	C₁₉×C₂²⋊C₈	—	2	16	no	—
39	C₂⁴×C₁₉	—	2	4	no	—
40	C₂⁴×C₁₉	—	2	8	no	—
41	C₂⁴×C₁₉	C₂²⋊C₄	1	4	yes	—
42	C₂⁴×C₁₉	C₂²×C₄	1	1	yes	characteristic
43	C₂⁴×C₁₉	C₂²×C₄	1	2	yes	—
44	C₂²×C₄×C₁₉	—	2	64	no	—
45	C₂²×C₄×C₁₉	—	2	8	no	—
46	C₂²×C₄×C₁₉	—	2	8	no	—
47	C₂²×C₄×C₁₉	—	2	8	no	—
48	C₂²×C₄×C₁₉	—	2	4	no	—
49	C₂²×C₄×C₁₉	—	2	8	no	—
50	C₂²×C₄×C₁₉	—	2	8	no	—
51	C₂²×C₄×C₁₉	—	2	32	no	—
52	C₂²×C₄×C₁₉	—	2	16	no	—
53	C₂²×C₄×C₁₉	—	2	16	no	—
54	C₂²×C₄×C₁₉	—	2	8	no	—
55	C₂²×C₄×C₁₉	C₂²⋊C₄	1	4	yes	—
56	C₂²×C₄×C₁₉	C₂²⋊C₄	1	8	yes	—
57	C₂²×C₄×C₁₉	M₁₆	1	16	yes	complemented
58	C₂²×C₄×C₁₉	C₂²×C₄	1	2	yes	—
59	C₂²×C₄×C₁₉	C₂²×C₄	1	8	yes	—
60	C₂²×C₄×C₁₉	C₂²×C₄	1	1	yes	characteristic
61	C₂²×C₄×C₁₉	C₂×D₄	1	8	yes	—
62	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
63	C₂²×C₄×C₁₉	#41	1	8	yes	—
64	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
65	M₁₆×C₁₉	—	4	16	no	—
66	C₂×C₈×C₁₉	—	2	8	no	—
67	C₂×C₈×C₁₉	—	2	16	no	—
68	C₄²×C₁₉	—	2	16	no	—
69	C₄²×C₁₉	—	2	8	no	—
70	C₄²×C₁₉	—	2	8	no	—
71	#20682	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
72	C₂³×C₁₉	—	2	32	no	—
73	C₂³×C₁₉	—	2	4	no	—
74	C₂³×C₁₉	—	2	4	no	—
75	C₂³×C₁₉	—	2	4	no	—
76	C₂³×C₁₉	—	2	8	no	—
77	C₂³×C₁₉	—	2	16	no	—
78	C₂³×C₁₉	C₂×C₂²⋊C₄	1	2	yes	—
79	C₂³×C₁₉	C₂×C₂²⋊C₄	1	4	yes	—
80	C₂³×C₁₉	#117	1	4	yes	—
81	C₂³×C₁₉	C₂×M₁₆	1	8	yes	—
82	C₂³×C₁₉	C₂³×C₄	1	1	yes	characteristic
83	C₂×C₄×C₁₉	—	2	32	no	—
84	C₂×C₄×C₁₉	—	2	32	no	—
85	C₂×C₄×C₁₉	—	2	8	no	—
86	C₂×C₄×C₁₉	—	2	4	no	—
87	C₂×C₄×C₁₉	—	2	8	no	—
88	C₂×C₄×C₁₉	—	2	8	no	—
89	C₂×C₄×C₁₉	—	2	32	no	—
90	C₂×C₄×C₁₉	—	2	16	no	—
91	C₂×C₄×C₁₉	—	2	16	no	—
92	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	4	yes	—
93	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	2	yes	—
94	C₂×C₄×C₁₉	#117	1	4	yes	—
95	C₂×C₄×C₁₉	#123	1	16	yes	—
96	C₂×C₄×C₁₉	C₂×M₁₆	1	16	yes	—
97	C₂×C₄×C₁₉	C₂²×D₄	1	2	yes	—
98	C₂×C₄×C₁₉	C₂×#41	1	4	yes	—
99	C₈×C₁₉	—	4	8	no	—
100	C₂³×C₄²	C₂×C₁₉	1	1	yes	characteristic
101	C₂×#407	C₂×C₁₉	1	2	yes	—
102	#1817	C₂×C₁₉	1	8	yes	complemented
103	#1728	C₂×C₁₉	1	4	yes	complemented
104	C₂²×C₁₉	—	2	32	no	—
105	C₂²×C₁₉	—	2	4	no	—
106	C₂²×C₁₉	—	2	4	no	—
107	C₂²×C₁₉	—	2	8	no	—
108	C₂²×C₁₉	—	2	16	no	—
109	C₂²×C₁₉	—	2	4	no	—
110	C₂²×C₁₉	#381	1	4	yes	—
111	C₂²×C₁₉	#407	1	8	yes	—
112	C₂²×C₁₉	C₂²×C₂²⋊C₄	1	1	yes	characteristic
113	C₂²×C₁₉	C₂×#117	1	2	yes	—
114	C₂²×C₁₉	C₂²×M₁₆	1	4	yes	—
115	C₄×C₁₉	—	2	16	no	—
116	C₄×C₁₉	—	2	4	no	—
117	C₄×C₁₉	#381	1	4	yes	—
118	C₄×C₁₉	C₂×#123	1	4	yes	—
119	C₂⁴×C₄	C₄×C₁₉	1	2	yes	—
120	C₂⁴×C₄	C₂²×C₁₉	1	1	yes	characteristic
121	C₂²×M₁₆	C₂²×C₁₉	1	4	yes	—
122	C₂²×C₄²	—	2	8	no	—
123	C₂²×C₄²	C₄×C₁₉	1	2	yes	—
124	C₂²×C₄²	C₄×C₁₉	1	4	yes	—
125	C₂²×C₄²	C₂²×C₁₉	1	4	yes	—
126	C₂²×C₄²	C₂²×C₁₉	1	2	yes	—
127	#407	—	2	8	no	—
128	C₂×C₂²⋊C₈	C₂²×C₁₉	1	8	yes	—
129	#336	C₂²×C₁₉	1	16	yes	complemented
130	C₂×C₁₉	—	2	4	no	—
131	C₂×C₁₉	—	2	8	no	—
132	C₂×C₁₉	C₂×#381	1	1	yes	characteristic
133	C₂×C₁₉	C₂×#407	1	2	yes	—
134	C₂×C₁₉	#2920	1	4	yes	—
135	C₂⁵	C₂×C₄×C₁₉	1	1	yes	characteristic
136	C₂³×C₄	—	2	8	no	—
137	C₂³×C₄	—	2	16	no	—
138	C₂³×C₄	—	2	8	no	—
139	C₂³×C₄	C₂×C₄×C₁₉	1	4	yes	—
140	C₂³×C₄	C₂×C₄×C₁₉	1	4	yes	—
141	C₂³×C₄	C₂×C₄×C₁₉	1	1	yes	characteristic
142	C₂³×C₄	C₂×C₄×C₁₉	1	2	yes	—
143	C₂³×C₄	C₂×C₄×C₁₉	1	4	yes	—
144	C₂³×C₄	D₄×C₁₉	1	8	yes	—
145	C₂³×C₄	C₂³×C₁₉	1	2	yes	—
146	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
147	C₂×M₁₆	—	2	8	no	—
148	C₂×M₁₆	—	2	16	no	—
149	C₂²×C₈	C₂³×C₁₉	1	8	yes	—
150	C₂×C₄²	—	2	8	no	—
151	C₂×C₄²	—	2	16	no	—
152	C₂×C₄²	—	2	16	no	—
153	C₂×C₄²	—	2	8	no	—
154	C₂×C₄²	C₂×C₄×C₁₉	1	8	yes	—
155	C₂×C₄²	C₂×C₄×C₁₉	1	4	yes	—
156	C₂×C₄²	C₂³×C₁₉	1	4	yes	—
157	C₂²⋊C₈	—	2	16	no	—
158	C₁₉	#20682	1	1	yes	characteristic, direct product factor, Sylow
159	C₂⁴	—	2	4	no	—
160	C₂⁴	—	2	8	no	—
161	C₂⁴	C₂²⋊C₄×C₁₉	1	4	yes	—
162	C₂⁴	C₂²×C₄×C₁₉	1	1	yes	characteristic
163	C₂⁴	C₂²×C₄×C₁₉	1	2	yes	—
164	C₂²×C₄	—	2	64	no	—
165	C₂²×C₄	—	2	8	no	—
166	C₂²×C₄	—	2	8	no	—
167	C₂²×C₄	—	2	8	no	—
168	C₂²×C₄	—	2	4	no	—
169	C₂²×C₄	—	2	8	no	—
170	C₂²×C₄	—	2	8	no	—
171	C₂²×C₄	—	2	32	no	—
172	C₂²×C₄	—	2	16	no	—
173	C₂²×C₄	—	2	16	no	—
174	C₂²×C₄	—	2	8	no	—
175	C₂²×C₄	C₂²⋊C₄×C₁₉	1	4	yes	—
176	C₂²×C₄	C₂²⋊C₄×C₁₉	1	8	yes	—
177	C₂²×C₄	M₁₆×C₁₉	1	16	yes	complemented
178	C₂²×C₄	C₂²×C₄×C₁₉	1	2	yes	—
179	C₂²×C₄	C₂²×C₄×C₁₉	1	8	yes	—
180	C₂²×C₄	C₂²×C₄×C₁₉	1	1	yes	characteristic
181	C₂²×C₄	C₂×D₄×C₁₉	1	8	yes	—
182	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
183	C₂²×C₄	#41×C₁₉	1	8	yes	—
184	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
185	M₁₆	—	4	16	no	—
186	C₂×C₈	—	2	8	no	—
187	C₂×C₈	—	2	16	no	—
188	C₄²	—	2	16	no	—
189	C₄²	—	2	8	no	—
190	C₄²	—	2	8	no	—
191	C₂³	—	2	32	no	—
192	C₂³	—	2	8	no	—
193	C₂³	—	2	16	no	—
194	C₂³	—	2	4	no	—
195	C₂³	—	2	4	no	—
196	C₂³	—	2	4	no	—
197	C₂³	C₂×C₂²⋊C₄×C₁₉	1	2	yes	—
198	C₂³	C₂×C₂²⋊C₄×C₁₉	1	4	yes	—
199	C₂³	C₁₉×#117	1	4	yes	—
200	C₂³	C₂×M₁₆×C₁₉	1	8	yes	—
201	C₂³	C₂³×C₄×C₁₉	1	1	yes	characteristic
202	C₂×C₄	—	2	32	no	—
203	C₂×C₄	—	2	32	no	—
204	C₂×C₄	—	2	8	no	—
205	C₂×C₄	—	2	32	no	—
206	C₂×C₄	—	2	8	no	—
207	C₂×C₄	—	2	4	no	—
208	C₂×C₄	—	2	8	no	—
209	C₂×C₄	—	2	16	no	—
210	C₂×C₄	—	2	16	no	—
211	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	4	yes	—
212	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	2	yes	—
213	C₂×C₄	C₁₉×#117	1	4	yes	—
214	C₂×C₄	C₁₉×#123	1	16	yes	—
215	C₂×C₄	C₂×M₁₆×C₁₉	1	16	yes	—
216	C₂×C₄	C₂²×D₄×C₁₉	1	2	yes	—
217	C₂×C₄	C₂×#41×C₁₉	1	4	yes	—
218	C₈	—	4	8	no	—
219	C₂²	—	2	32	no	—
220	C₂²	—	2	8	no	—
221	C₂²	—	2	16	no	—
222	C₂²	—	2	4	no	—
223	C₂²	—	2	4	no	—
224	C₂²	—	2	4	no	—
225	C₂²	C₁₉×#381	1	4	yes	—
226	C₂²	C₁₉×#407	1	8	yes	—
227	C₂²	C₂²×C₂²⋊C₄×C₁₉	1	1	yes	characteristic
228	C₂²	C₂×C₁₉×#117	1	2	yes	—
229	C₂²	C₂²×M₁₆×C₁₉	1	4	yes	—
230	C₄	—	2	4	no	—
231	C₄	—	2	16	no	—
232	C₄	C₁₉×#381	1	4	yes	—
233	C₄	C₂×C₁₉×#123	1	4	yes	—
234	C₂	—	2	4	no	—
235	C₂	—	2	8	no	—
236	C₂	C₂×C₁₉×#381	1	1	yes	characteristic
237	C₂	C₂×C₁₉×#407	1	2	yes	—
238	C₂	C₁₉×#2920	1	4	yes	—

	subgroup	G/H
center	C₂²×C₄×C₁₉	C₂⁴
commutator	C₂³	C₂³×C₄×C₁₉
Frattini, cosocle	C₂²×C₄	C₂⁴×C₁₉
socle	C₂³×C₁₉	C₂³×C₄
prime radical	C₂⁵×C₁₉	C₂×C₄
LCS	G ▷ C₂³ ▷ C₁
UCS	C₁ ◁ C₂²×C₄×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
3. C₁₉×#1817	C₂	semidirect
4. C₁₉×#1728	C₂	semidirect
15. C₁₉×#336	C₂²	semidirect
57. C₂²×C₄×C₁₉	M₁₆	semidirect
71. #20682	C₁₉	direct (N × H)
102. #1817	C₂×C₁₉	semidirect
103. #1728	C₂×C₁₉	semidirect
129. #336	C₂²×C₁₉	semidirect
158. C₁₉	#20682	direct (N × H)
177. C₂²×C₄	M₁₆×C₁₉	semidirect

Maximal subgroups

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

subgroup	index
C₂³×C₄²×C₁₉	2
C₂×C₁₉×#407	2
C₁₉×#1817	2
C₁₉×#1728	2
#20682	19

Subgroups — C19×#20682 #18026641

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#20682 #18026641