Subgroups — C₁₉×#20801 #18026760

Order 4864.

1102 conjugacy classes of subgroups.

The subgroup lattice has 258 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₁₉×#428	C₂	1	4	yes	maximal
2	C₂×C₄×M₁₆×C₁₉	C₂	1	1	yes	maximal, characteristic
3	C₁₉×#2285	C₂	1	1	yes	maximal, characteristic
4	C₂×C₁₉×#382	C₂	1	1	yes	maximal, characteristic
5	C₁₉×#1847	C₂	1	4	yes	maximal, complemented
6	C₁₉×#1846	C₂	1	4	yes	maximal, complemented
7	C₂²×M₁₆×C₁₉	C₂²	1	2	yes	—
8	C₂×C₁₉×#117	C₂²	1	2	yes	—
9	C₂²×C₄⋊C₄×C₁₉	C₂²	1	2	yes	—
10	C₂²×C₄²×C₁₉	C₂²	1	1	yes	characteristic
11	C₁₉×#428	—	2	16	no	—
12	C₂×C₁₉×#107	C₂²	1	8	yes	—
13	C₂×C₁₉×#106	C₂²	1	8	yes	—
14	C₄×M₁₆×C₁₉	C₄	1	8	yes	complemented
15	C₂×C₁₉×#97	C₂²	1	2	yes	—
16	C₂×C₄×C₈×C₁₉	C₂²	1	2	yes	—
17	C₁₉×#384	C₂²	1	2	yes	—
18	C₁₉×#382	—	2	2	no	—
19	C₁₉×#382	C₂²	1	2	yes	—
20	C₁₉×#382	C₂²	1	2	yes	—
21	C₁₉×#382	C₂²	1	2	yes	—
22	C₁₉×#380	—	2	2	no	—
23	C₄×C₄⋊C₄×C₁₉	—	2	2	no	—
24	C₂×C₁₉×#95	—	2	2	no	—
25	C₂³×C₄×C₁₉	—	2	2	no	—
26	C₂³×C₄×C₁₉	D₄	1	2	yes	—
27	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
28	C₂×M₁₆×C₁₉	C₂×C₄	1	8	yes	—
29	C₂×M₁₆×C₁₉	D₄	1	8	yes	—
30	C₂×M₁₆×C₁₉	Q₈	1	8	yes	—
31	C₂²×C₈×C₁₉	C₂³	1	4	yes	—
32	C₁₉×#117	—	2	8	no	—
33	C₂×C₄⋊C₄×C₁₉	—	2	8	no	—
34	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
35	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
36	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
37	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
38	C₂×C₂²⋊C₄×C₁₉	—	2	2	no	—
39	C₂×C₄²×C₁₉	—	2	2	no	—
40	C₂×C₄²×C₁₉	C₂×C₄	1	4	yes	—
41	C₂×C₄²×C₁₉	D₄	1	2	yes	—
42	C₂×C₄²×C₁₉	Q₈	1	4	yes	—
43	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
44	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
45	C₁₉×#107	—	2	16	no	—
46	C₁₉×#106	—	2	16	no	—
47	C₁₉×#97	C₂×C₄	1	8	yes	complemented
48	C₄×C₈×C₁₉	C₂×C₄	1	8	yes	complemented
49	C₁₉×#95	—	2	4	no	—
50	C₁₉×#95	—	2	4	no	—
51	C₁₉×#95	—	2	4	no	—
52	C₂⁴×C₁₉	C₂×D₄	1	1	yes	characteristic
53	C₂²×C₄×C₁₉	—	2	4	no	—
54	C₂²×C₄×C₁₉	—	2	4	no	—
55	C₂²×C₄×C₁₉	—	4	4	no	—
56	C₂²×C₄×C₁₉	—	4	8	no	—
57	C₂²×C₄×C₁₉	—	4	4	no	—
58	C₂²×C₄×C₁₉	C₄⋊C₄	1	8	yes	—
59	C₂²×C₄×C₁₉	C₂²×C₄	1	2	yes	—
60	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
61	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
62	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
63	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
64	C₂²×C₄×C₁₉	C₂×Q₈	1	4	yes	—
65	C₂²×C₄×C₁₉	C₂×Q₈	1	2	yes	—
66	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
67	M₁₆×C₁₉	C₄⋊C₄	1	32	yes	complemented
68	C₂×C₈×C₁₉	C₂²×C₄	1	8	yes	—
69	C₂×C₈×C₁₉	C₂×D₄	1	8	yes	—
70	C₂×C₈×C₁₉	C₂×Q₈	1	8	yes	—
71	C₄⋊C₄×C₁₉	—	2	8	no	—
72	C₄⋊C₄×C₁₉	—	2	4	no	—
73	C₄⋊C₄×C₁₉	—	2	4	no	—
74	C₄⋊C₄×C₁₉	—	4	8	no	—
75	C₄⋊C₄×C₁₉	—	4	4	no	—
76	C₂²⋊C₄×C₁₉	—	4	4	no	—
77	C₄²×C₁₉	—	4	4	no	—
78	C₄²×C₁₉	C₄⋊C₄	1	8	yes	—
79	C₄²×C₁₉	C₂²×C₄	1	2	yes	—
80	C₄²×C₁₉	C₂²×C₄	1	2	yes	—
81	C₄²×C₁₉	C₂×Q₈	1	2	yes	—
82	C₄²×C₁₉	C₂×Q₈	1	2	yes	—
83	#20801	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
84	C₂³×C₁₉	—	2	4	no	—
85	C₂³×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
86	C₂³×C₁₉	#127	1	2	yes	—
87	C₂³×C₁₉	C₄⋊Q₈	1	2	yes	—
88	C₂³×C₁₉	C₂²×D₄	1	1	yes	characteristic
89	C₂×C₄×C₁₉	—	2	4	no	—
90	C₂×C₄×C₁₉	—	2	4	no	—
91	C₂×C₄×C₁₉	—	4	8	no	—
92	C₂×C₄×C₁₉	—	4	4	no	—
93	C₂×C₄×C₁₉	—	4	4	no	—
94	C₂×C₄×C₁₉	—	4	8	no	—
95	C₂×C₄×C₁₉	—	4	8	no	—
96	C₂×C₄×C₁₉	—	8	8	no	—
97	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	4	yes	—
98	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	4	yes	—
99	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	8	yes	—
100	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
101	C₂×C₄×C₁₉	#127	1	2	yes	—
102	C₂×C₄×C₁₉	C₄⋊Q₈	1	8	yes	—
103	C₂×C₄×C₁₉	C₄⋊Q₈	1	2	yes	—
104	C₂×C₄×C₁₉	C₂³×C₄	1	1	yes	characteristic
105	C₂×C₄×C₁₉	C₂²×D₄	1	2	yes	—
106	C₂×C₄×C₁₉	C₂²×Q₈	1	2	yes	—
107	C₂×C₄×C₁₉	C₂²×Q₈	1	1	yes	characteristic
108	C₈×C₁₉	C₂×C₄⋊C₄	1	16	yes	—
109	C₂×#428	C₂×C₁₉	1	4	yes	—
110	C₂×C₄×M₁₆	C₂×C₁₉	1	1	yes	characteristic
111	#2285	C₂×C₁₉	1	1	yes	characteristic
112	C₂×#382	C₂×C₁₉	1	1	yes	characteristic
113	#1847	C₂×C₁₉	1	4	yes	complemented
114	#1846	C₂×C₁₉	1	4	yes	complemented
115	C₂²×C₁₉	—	2	4	no	—
116	C₂²×C₁₉	—	2	4	no	—
117	C₂²×C₁₉	—	2	4	no	—
118	C₂²×C₁₉	#384	1	4	yes	—
119	C₂²×C₁₉	C₂²×C₄⋊C₄	1	1	yes	characteristic
120	C₂²×C₁₉	C₂×#127	1	1	yes	characteristic
121	C₂²×C₁₉	C₂×C₄⋊Q₈	1	1	yes	characteristic
122	C₂²×C₁₉	#575	1	4	yes	—
123	C₄×C₁₉	—	2	4	no	—
124	C₄×C₁₉	—	2	4	no	—
125	C₄×C₁₉	—	8	4	no	—
126	C₄×C₁₉	—	8	4	no	—
127	C₄×C₁₉	#384	1	4	yes	—
128	C₄×C₁₉	C₂²×C₄⋊C₄	1	2	yes	—
129	C₄×C₁₉	C₂×C₄⋊Q₈	1	2	yes	—
130	C₂²×M₁₆	C₂²×C₁₉	1	2	yes	—
131	C₂×#117	C₂²×C₁₉	1	2	yes	—
132	C₂²×C₄⋊C₄	C₂²×C₁₉	1	2	yes	—
133	C₂²×C₄²	C₂²×C₁₉	1	1	yes	characteristic
134	#428	—	2	16	no	—
135	C₂×#107	C₂²×C₁₉	1	8	yes	—
136	C₂×#106	C₂²×C₁₉	1	8	yes	—
137	C₄×M₁₆	C₄×C₁₉	1	8	yes	complemented
138	C₂×#97	C₂²×C₁₉	1	2	yes	—
139	C₂×C₄×C₈	C₂²×C₁₉	1	2	yes	—
140	#384	C₂²×C₁₉	1	2	yes	—
141	#382	—	2	2	no	—
142	#382	C₂²×C₁₉	1	2	yes	—
143	#382	C₂²×C₁₉	1	2	yes	—
144	#382	C₂²×C₁₉	1	2	yes	—
145	#380	—	2	2	no	—
146	C₄×C₄⋊C₄	—	2	2	no	—
147	C₂×#95	—	2	2	no	—
148	C₂×C₁₉	—	2	4	no	—
149	C₂×C₁₉	C₂×#384	1	1	yes	characteristic
150	C₂×C₁₉	#2911	1	2	yes	—
151	C₂×C₁₉	#3153	1	2	yes	—
152	C₂×C₁₉	#3166	1	2	yes	—
153	C₂³×C₄	—	2	2	no	—
154	C₂³×C₄	D₄×C₁₉	1	2	yes	—
155	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
156	C₂×M₁₆	C₂×C₄×C₁₉	1	8	yes	—
157	C₂×M₁₆	D₄×C₁₉	1	8	yes	—
158	C₂×M₁₆	Q₈×C₁₉	1	8	yes	—
159	C₂²×C₈	C₂³×C₁₉	1	4	yes	—
160	#117	—	2	8	no	—
161	C₂×C₄⋊C₄	—	2	8	no	—
162	C₂×C₄⋊C₄	—	2	2	no	—
163	C₂×C₄⋊C₄	—	2	4	no	—
164	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
165	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
166	C₂×C₂²⋊C₄	—	2	2	no	—
167	C₂×C₄²	—	2	2	no	—
168	C₂×C₄²	C₂×C₄×C₁₉	1	4	yes	—
169	C₂×C₄²	D₄×C₁₉	1	2	yes	—
170	C₂×C₄²	Q₈×C₁₉	1	4	yes	—
171	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
172	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
173	#107	—	2	16	no	—
174	#106	—	2	16	no	—
175	#97	C₂×C₄×C₁₉	1	8	yes	complemented
176	C₄×C₈	C₂×C₄×C₁₉	1	8	yes	complemented
177	#95	—	2	4	no	—
178	#95	—	2	4	no	—
179	#95	—	2	4	no	—
180	C₁₉	#20801	1	1	yes	characteristic, direct product factor, Sylow
181	C₂⁴	C₂×D₄×C₁₉	1	1	yes	characteristic
182	C₂²×C₄	—	2	4	no	—
183	C₂²×C₄	—	2	4	no	—
184	C₂²×C₄	—	4	4	no	—
185	C₂²×C₄	—	4	8	no	—
186	C₂²×C₄	—	4	4	no	—
187	C₂²×C₄	C₄⋊C₄×C₁₉	1	8	yes	—
188	C₂²×C₄	C₂²×C₄×C₁₉	1	2	yes	—
189	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
190	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
191	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
192	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
193	C₂²×C₄	C₂×Q₈×C₁₉	1	4	yes	—
194	C₂²×C₄	C₂×Q₈×C₁₉	1	2	yes	—
195	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
196	M₁₆	C₄⋊C₄×C₁₉	1	32	yes	complemented
197	C₂×C₈	C₂²×C₄×C₁₉	1	8	yes	—
198	C₂×C₈	C₂×D₄×C₁₉	1	8	yes	—
199	C₂×C₈	C₂×Q₈×C₁₉	1	8	yes	—
200	C₄⋊C₄	—	2	4	no	—
201	C₄⋊C₄	—	2	8	no	—
202	C₄⋊C₄	—	2	4	no	—
203	C₄⋊C₄	—	4	8	no	—
204	C₄⋊C₄	—	4	4	no	—
205	C₂²⋊C₄	—	4	4	no	—
206	C₄²	—	4	4	no	—
207	C₄²	C₄⋊C₄×C₁₉	1	8	yes	—
208	C₄²	C₂²×C₄×C₁₉	1	2	yes	—
209	C₄²	C₂²×C₄×C₁₉	1	2	yes	—
210	C₄²	C₂×Q₈×C₁₉	1	2	yes	—
211	C₄²	C₂×Q₈×C₁₉	1	2	yes	—
212	C₂³	—	2	4	no	—
213	C₂³	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
214	C₂³	C₁₉×#127	1	2	yes	—
215	C₂³	C₁₉×C₄⋊Q₈	1	2	yes	—
216	C₂³	C₂²×D₄×C₁₉	1	1	yes	characteristic
217	C₂×C₄	—	2	4	no	—
218	C₂×C₄	—	2	4	no	—
219	C₂×C₄	—	4	8	no	—
220	C₂×C₄	—	4	4	no	—
221	C₂×C₄	—	4	4	no	—
222	C₂×C₄	—	4	8	no	—
223	C₂×C₄	—	4	8	no	—
224	C₂×C₄	—	8	8	no	—
225	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	4	yes	—
226	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	4	yes	—
227	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
228	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	8	yes	—
229	C₂×C₄	C₁₉×#127	1	2	yes	—
230	C₂×C₄	C₁₉×C₄⋊Q₈	1	2	yes	—
231	C₂×C₄	C₁₉×C₄⋊Q₈	1	8	yes	—
232	C₂×C₄	C₂³×C₄×C₁₉	1	1	yes	characteristic
233	C₂×C₄	C₂²×D₄×C₁₉	1	2	yes	—
234	C₂×C₄	C₂²×Q₈×C₁₉	1	2	yes	—
235	C₂×C₄	C₂²×Q₈×C₁₉	1	1	yes	characteristic
236	C₈	C₂×C₄⋊C₄×C₁₉	1	16	yes	—
237	C₂²	—	2	4	no	—
238	C₂²	—	2	4	no	—
239	C₂²	—	2	4	no	—
240	C₂²	C₁₉×#384	1	4	yes	—
241	C₂²	C₂²×C₄⋊C₄×C₁₉	1	1	yes	characteristic
242	C₂²	C₂×C₁₉×#127	1	1	yes	characteristic
243	C₂²	C₂×C₁₉×C₄⋊Q₈	1	1	yes	characteristic
244	C₂²	C₁₉×#575	1	4	yes	—
245	C₄	—	2	4	no	—
246	C₄	—	2	4	no	—
247	C₄	—	8	4	no	—
248	C₄	—	8	4	no	—
249	C₄	C₁₉×#384	1	4	yes	—
250	C₄	C₂²×C₄⋊C₄×C₁₉	1	2	yes	—
251	C₄	C₂×C₁₉×C₄⋊Q₈	1	2	yes	—
252	C₂	—	2	4	no	—
253	C₂	C₂×C₁₉×#384	1	1	yes	characteristic
254	C₂	C₁₉×#2911	1	2	yes	—
255	C₂	C₁₉×#3153	1	2	yes	—
256	C₂	C₁₉×#3166	1	2	yes	—

	subgroup	G/H
center, socle	C₂³×C₁₉	C₂²×D₄
commutator	C₂×C₄	C₂³×C₄×C₁₉
Frattini, cosocle	C₂²×C₄	C₂⁴×C₁₉
prime radical	C₂⁴×C₁₉	C₂×D₄
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₁₉ ◁ C₂²×C₄²×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
5. C₁₉×#1847	C₂	semidirect
6. C₁₉×#1846	C₂	semidirect
14. C₄×M₁₆×C₁₉	C₄	semidirect
47. C₁₉×#97	C₂×C₄	semidirect
48. C₄×C₈×C₁₉	C₂×C₄	semidirect
67. M₁₆×C₁₉	C₄⋊C₄	semidirect
83. #20801	C₁₉	direct (N × H)
113. #1847	C₂×C₁₉	semidirect
114. #1846	C₂×C₁₉	semidirect
137. C₄×M₁₆	C₄×C₁₉	semidirect
175. #97	C₂×C₄×C₁₉	semidirect
176. C₄×C₈	C₂×C₄×C₁₉	semidirect
180. C₁₉	#20801	direct (N × H)
196. M₁₆	C₄⋊C₄×C₁₉	semidirect

Maximal subgroups

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

subgroup	index
C₂×C₁₉×#428	2
C₂×C₄×M₁₆×C₁₉	2
C₁₉×#2285	2
C₂×C₁₉×#382	2
C₁₉×#1847	2
C₁₉×#1846	2
#20801	19

Subgroups — C19×#20801 #18026760

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#20801 #18026760