Subgroups — C₁₉×#21165 #18027124

Order 4864.

914 conjugacy classes of subgroups.

The subgroup lattice has 292 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₁₉×#430	C₂	1	1	yes	maximal, characteristic
2	C₁₉×#2911	C₂	1	1	yes	maximal, characteristic
3	C₁₉×#2905	C₂	1	2	yes	maximal
4	C₂×C₄×M₁₆×C₁₉	C₂	1	1	yes	maximal, characteristic
5	C₁₉×#1946	C₂	1	4	yes	maximal, complemented
6	C₁₉×#1945	C₂	1	4	yes	maximal, complemented
7	C₂×C₁₉×#339	C₂	1	2	yes	maximal
8	C₂²×M₁₆×C₁₉	C₂²	1	2	yes	—
9	C₂²×M₁₆×C₁₉	C₂²	1	1	yes	characteristic
10	C₂²×M₁₆×C₁₉	C₂²	1	1	yes	characteristic
11	C₂×C₁₉×#117	C₂²	1	2	yes	—
12	C₂²×C₄²×C₁₉	C₂²	1	1	yes	characteristic
13	C₁₉×#430	—	2	4	no	—
14	C₂×C₁₉×#108	C₂²	1	4	yes	—
15	C₁₉×#428	C₄	1	8	yes	complemented
16	C₁₉×#427	C₂²	1	4	yes	—
17	C₁₉×#424	—	2	4	no	—
18	C₁₉×#424	C₂²	1	8	yes	—
19	C₁₉×#423	—	2	4	no	—
20	C₄×M₁₆×C₁₉	—	2	4	no	—
21	C₂×C₁₉×#97	C₂²	1	2	yes	—
22	C₂×C₄×C₈×C₁₉	C₂²	1	2	yes	—
23	C₁₉×#339	C₂²	1	4	yes	—
24	C₁₉×#339	C₂²	1	4	yes	—
25	C₂³×C₄×C₁₉	—	2	1	no	—
26	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
27	C₂×M₁₆×C₁₉	—	2	2	no	—
28	C₂×M₁₆×C₁₉	—	2	2	no	—
29	C₂×M₁₆×C₁₉	—	2	2	no	—
30	C₂×M₁₆×C₁₉	—	2	4	no	—
31	C₂×M₁₆×C₁₉	—	2	4	no	—
32	C₂×M₁₆×C₁₉	C₂×C₄	1	4	yes	—
33	C₂×M₁₆×C₁₉	D₄	1	4	yes	—
34	C₂×M₁₆×C₁₉	D₄	1	4	yes	—
35	C₂×M₁₆×C₁₉	Q₈	1	4	yes	—
36	C₂×M₁₆×C₁₉	C₂³	1	4	yes	—
37	C₂²×C₈×C₁₉	—	2	2	no	—
38	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
39	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
40	C₁₉×#117	—	2	2	no	—
41	C₁₉×#117	—	2	2	no	—
42	C₁₉×#117	C₂×C₄	1	4	yes	—
43	C₁₉×#117	C₂³	1	4	yes	—
44	C₂×C₄⋊C₄×C₁₉	C₂×C₄	1	4	yes	—
45	C₂×C₂²⋊C₄×C₁₉	—	2	2	no	—
46	C₂×C₄²×C₁₉	—	2	2	no	—
47	C₂×C₄²×C₁₉	—	2	2	no	—
48	C₂×C₄²×C₁₉	—	2	1	no	—
49	C₂×C₄²×C₁₉	Q₈	1	4	yes	—
50	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
51	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
52	C₁₉×#108	—	2	8	no	—
53	C₁₉×#107	C₂×C₄	1	8	yes	complemented
54	C₁₉×#106	C₂×C₄	1	8	yes	complemented
55	C₁₉×C₄⋊C₈	—	2	16	no	—
56	C₁₉×#97	—	2	4	no	—
57	C₄×C₈×C₁₉	—	2	4	no	—
58	C₂⁴×C₁₉	#41	1	1	yes	characteristic
59	C₂²×C₄×C₁₉	—	2	1	no	—
60	C₂²×C₄×C₁₉	—	2	4	no	—
61	C₂²×C₄×C₁₉	—	2	1	no	—
62	C₂²×C₄×C₁₉	—	2	4	no	—
63	C₂²×C₄×C₁₉	—	4	4	no	—
64	C₂²×C₄×C₁₉	C₂²×C₄	1	2	yes	—
65	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
66	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
67	C₂²×C₄×C₁₉	C₂×Q₈	1	2	yes	—
68	C₂²×C₄×C₁₉	C₂×Q₈	1	2	yes	—
69	C₂²×C₄×C₁₉	#41	1	1	yes	characteristic
70	C₂²×C₄×C₁₉	#41	1	2	yes	—
71	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
72	M₁₆×C₁₉	—	2	8	no	—
73	M₁₆×C₁₉	—	2	4	no	—
74	M₁₆×C₁₉	—	2	4	no	—
75	M₁₆×C₁₉	—	4	4	no	—
76	M₁₆×C₁₉	C₄⋊C₄	1	16	yes	—
77	C₂×C₈×C₁₉	—	2	2	no	—
78	C₂×C₈×C₁₉	—	2	2	no	—
79	C₂×C₈×C₁₉	—	2	4	no	—
80	C₂×C₈×C₁₉	—	4	4	no	—
81	C₂×C₈×C₁₉	C₂²×C₄	1	4	yes	—
82	C₂×C₈×C₁₉	C₂×D₄	1	4	yes	—
83	C₂×C₈×C₁₉	C₂×D₄	1	4	yes	—
84	C₂×C₈×C₁₉	C₂×Q₈	1	4	yes	—
85	C₄⋊C₄×C₁₉	—	2	4	no	—
86	C₄⋊C₄×C₁₉	C₂²×C₄	1	8	yes	—
87	C₂²⋊C₄×C₁₉	—	2	4	no	—
88	C₂²⋊C₄×C₁₉	—	2	4	no	—
89	C₄²×C₁₉	—	2	4	no	—
90	C₄²×C₁₉	—	2	4	no	—
91	C₄²×C₁₉	—	2	1	no	—
92	C₄²×C₁₉	—	2	1	no	—
93	C₄²×C₁₉	—	2	4	no	—
94	C₄²×C₁₉	C₂×Q₈	1	2	yes	—
95	C₄²×C₁₉	C₂×Q₈	1	2	yes	—
96	#21165	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
97	C₂³×C₁₉	—	4	2	no	—
98	C₂³×C₁₉	C₄×D₄	1	2	yes	—
99	C₂³×C₁₉	C₂²⋊Q₈	1	2	yes	—
100	C₂³×C₁₉	#125	1	2	yes	—
101	C₂³×C₁₉	C₂×#41	1	1	yes	characteristic
102	C₂×C₄×C₁₉	—	2	4	no	—
103	C₂×C₄×C₁₉	—	2	2	no	—
104	C₂×C₄×C₁₉	—	2	8	no	—
105	C₂×C₄×C₁₉	—	2	2	no	—
106	C₂×C₄×C₁₉	—	4	8	no	—
107	C₂×C₄×C₁₉	—	4	2	no	—
108	C₂×C₄×C₁₉	—	8	4	no	—
109	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	4	yes	—
110	C₂×C₄×C₁₉	C₄×D₄	1	2	yes	—
111	C₂×C₄×C₁₉	C₄×Q₈	1	4	yes	—
112	C₂×C₄×C₁₉	#121	1	4	yes	—
113	C₂×C₄×C₁₉	C₂²⋊Q₈	1	2	yes	—
114	C₂×C₄×C₁₉	#125	1	2	yes	—
115	C₂×C₄×C₁₉	C₄⋊Q₈	1	4	yes	—
116	C₂×C₄×C₁₉	C₂³×C₄	1	1	yes	characteristic
117	C₂×C₄×C₁₉	C₂²×D₄	1	1	yes	characteristic
118	C₂×C₄×C₁₉	C₂²×D₄	1	1	yes	characteristic
119	C₂×C₄×C₁₉	C₂²×Q₈	1	1	yes	characteristic
120	C₂×C₄×C₁₉	C₂²×Q₈	1	1	yes	characteristic
121	C₂×C₄×C₁₉	C₂×#41	1	1	yes	characteristic
122	C₈×C₁₉	—	2	4	no	—
123	C₈×C₁₉	—	4	4	no	—
124	C₈×C₁₉	C₂×C₄⋊C₄	1	8	yes	—
125	C₂×#430	C₂×C₁₉	1	1	yes	characteristic
126	#2911	C₂×C₁₉	1	1	yes	characteristic
127	#2905	C₂×C₁₉	1	2	yes	—
128	C₂×C₄×M₁₆	C₂×C₁₉	1	1	yes	characteristic
129	#1946	C₂×C₁₉	1	4	yes	complemented
130	#1945	C₂×C₁₉	1	4	yes	complemented
131	C₂×#339	C₂×C₁₉	1	2	yes	—
132	C₂²×C₁₉	—	2	2	no	—
133	C₂²×C₁₉	—	2	4	no	—
134	C₂²×C₁₉	—	4	2	no	—
135	C₂²×C₁₉	—	4	2	no	—
136	C₂²×C₁₉	#389	1	4	yes	—
137	C₂²×C₁₉	C₂×C₄×D₄	1	1	yes	characteristic
138	C₂²×C₁₉	C₂×C₂²⋊Q₈	1	1	yes	characteristic
139	C₂²×C₁₉	C₂×#125	1	1	yes	characteristic
140	C₄×C₁₉	—	2	4	no	—
141	C₄×C₁₉	—	4	2	no	—
142	C₄×C₁₉	—	4	8	no	—
143	C₄×C₁₉	#389	1	4	yes	—
144	C₄×C₁₉	C₂²×C₄⋊C₄	1	1	yes	characteristic
145	C₄×C₁₉	C₂×C₄×Q₈	1	1	yes	characteristic
146	C₄×C₁₉	C₂×#121	1	1	yes	characteristic
147	C₄×C₁₉	C₂×C₄⋊Q₈	1	1	yes	characteristic
148	C₂²×M₁₆	C₂²×C₁₉	1	2	yes	—
149	C₂²×M₁₆	C₂²×C₁₉	1	1	yes	characteristic
150	C₂²×M₁₆	C₂²×C₁₉	1	1	yes	characteristic
151	C₂×#117	C₂²×C₁₉	1	2	yes	—
152	C₂²×C₄²	C₂²×C₁₉	1	1	yes	characteristic
153	#430	—	2	4	no	—
154	C₂×#108	C₂²×C₁₉	1	4	yes	—
155	#428	C₄×C₁₉	1	8	yes	complemented
156	#427	C₂²×C₁₉	1	4	yes	—
157	#424	—	2	4	no	—
158	#424	C₂²×C₁₉	1	8	yes	—
159	#423	—	2	4	no	—
160	C₄×M₁₆	—	2	4	no	—
161	C₂×#97	C₂²×C₁₉	1	2	yes	—
162	C₂×C₄×C₈	C₂²×C₁₉	1	2	yes	—
163	#339	C₂²×C₁₉	1	4	yes	—
164	#339	C₂²×C₁₉	1	4	yes	—
165	C₂×C₁₉	—	2	1	no	—
166	C₂×C₁₉	—	2	1	no	—
167	C₂×C₁₉	—	2	4	no	—
168	C₂×C₁₉	C₂×#389	1	1	yes	characteristic
169	C₂×C₁₉	#2956	1	2	yes	—
170	C₂³×C₄	—	2	1	no	—
171	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
172	C₂×M₁₆	—	2	2	no	—
173	C₂×M₁₆	—	2	2	no	—
174	C₂×M₁₆	—	2	2	no	—
175	C₂×M₁₆	—	2	4	no	—
176	C₂×M₁₆	—	2	4	no	—
177	C₂×M₁₆	C₂×C₄×C₁₉	1	4	yes	—
178	C₂×M₁₆	D₄×C₁₉	1	4	yes	—
179	C₂×M₁₆	D₄×C₁₉	1	4	yes	—
180	C₂×M₁₆	Q₈×C₁₉	1	4	yes	—
181	C₂×M₁₆	C₂³×C₁₉	1	4	yes	—
182	C₂²×C₈	—	2	2	no	—
183	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
184	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
185	#117	—	2	2	no	—
186	#117	—	2	2	no	—
187	#117	C₂×C₄×C₁₉	1	4	yes	—
188	#117	C₂³×C₁₉	1	4	yes	—
189	C₂×C₄⋊C₄	C₂×C₄×C₁₉	1	4	yes	—
190	C₂×C₂²⋊C₄	—	2	2	no	—
191	C₂×C₄²	—	2	2	no	—
192	C₂×C₄²	—	2	2	no	—
193	C₂×C₄²	—	2	1	no	—
194	C₂×C₄²	Q₈×C₁₉	1	4	yes	—
195	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
196	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
197	#108	—	2	8	no	—
198	#107	C₂×C₄×C₁₉	1	8	yes	complemented
199	#106	C₂×C₄×C₁₉	1	8	yes	complemented
200	C₄⋊C₈	—	2	16	no	—
201	#97	—	2	4	no	—
202	C₄×C₈	—	2	4	no	—
203	C₁₉	#21165	1	1	yes	characteristic, direct product factor, Sylow
204	C₂⁴	#41×C₁₉	1	1	yes	characteristic
205	C₂²×C₄	—	2	1	no	—
206	C₂²×C₄	—	2	4	no	—
207	C₂²×C₄	—	2	1	no	—
208	C₂²×C₄	—	2	4	no	—
209	C₂²×C₄	—	4	4	no	—
210	C₂²×C₄	C₂²×C₄×C₁₉	1	2	yes	—
211	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
212	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
213	C₂²×C₄	C₂×Q₈×C₁₉	1	2	yes	—
214	C₂²×C₄	C₂×Q₈×C₁₉	1	2	yes	—
215	C₂²×C₄	#41×C₁₉	1	1	yes	characteristic
216	C₂²×C₄	#41×C₁₉	1	2	yes	—
217	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
218	M₁₆	—	2	8	no	—
219	M₁₆	—	2	4	no	—
220	M₁₆	—	2	4	no	—
221	M₁₆	—	4	4	no	—
222	M₁₆	C₄⋊C₄×C₁₉	1	16	yes	—
223	C₂×C₈	—	2	2	no	—
224	C₂×C₈	—	2	2	no	—
225	C₂×C₈	—	2	4	no	—
226	C₂×C₈	—	4	4	no	—
227	C₂×C₈	C₂²×C₄×C₁₉	1	4	yes	—
228	C₂×C₈	C₂×D₄×C₁₉	1	4	yes	—
229	C₂×C₈	C₂×D₄×C₁₉	1	4	yes	—
230	C₂×C₈	C₂×Q₈×C₁₉	1	4	yes	—
231	C₄⋊C₄	—	2	4	no	—
232	C₄⋊C₄	C₂²×C₄×C₁₉	1	8	yes	—
233	C₂²⋊C₄	—	2	4	no	—
234	C₂²⋊C₄	—	2	4	no	—
235	C₄²	—	2	4	no	—
236	C₄²	—	2	4	no	—
237	C₄²	—	2	1	no	—
238	C₄²	—	2	1	no	—
239	C₄²	—	2	4	no	—
240	C₄²	C₂×Q₈×C₁₉	1	2	yes	—
241	C₄²	C₂×Q₈×C₁₉	1	2	yes	—
242	C₂³	—	4	2	no	—
243	C₂³	C₄×D₄×C₁₉	1	2	yes	—
244	C₂³	C₁₉×C₂²⋊Q₈	1	2	yes	—
245	C₂³	C₁₉×#125	1	2	yes	—
246	C₂³	C₂×#41×C₁₉	1	1	yes	characteristic
247	C₂×C₄	—	2	4	no	—
248	C₂×C₄	—	2	2	no	—
249	C₂×C₄	—	2	8	no	—
250	C₂×C₄	—	2	2	no	—
251	C₂×C₄	—	4	8	no	—
252	C₂×C₄	—	4	2	no	—
253	C₂×C₄	—	8	4	no	—
254	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	4	yes	—
255	C₂×C₄	C₄×D₄×C₁₉	1	2	yes	—
256	C₂×C₄	C₄×Q₈×C₁₉	1	4	yes	—
257	C₂×C₄	C₁₉×#121	1	4	yes	—
258	C₂×C₄	C₁₉×C₂²⋊Q₈	1	2	yes	—
259	C₂×C₄	C₁₉×#125	1	2	yes	—
260	C₂×C₄	C₁₉×C₄⋊Q₈	1	4	yes	—
261	C₂×C₄	C₂³×C₄×C₁₉	1	1	yes	characteristic
262	C₂×C₄	C₂²×D₄×C₁₉	1	1	yes	characteristic
263	C₂×C₄	C₂²×D₄×C₁₉	1	1	yes	characteristic
264	C₂×C₄	C₂²×Q₈×C₁₉	1	1	yes	characteristic
265	C₂×C₄	C₂²×Q₈×C₁₉	1	1	yes	characteristic
266	C₂×C₄	C₂×#41×C₁₉	1	1	yes	characteristic
267	C₈	—	2	4	no	—
268	C₈	—	4	4	no	—
269	C₈	C₂×C₄⋊C₄×C₁₉	1	8	yes	—
270	C₂²	—	2	2	no	—
271	C₂²	—	2	4	no	—
272	C₂²	—	4	2	no	—
273	C₂²	—	4	2	no	—
274	C₂²	C₁₉×#389	1	4	yes	—
275	C₂²	C₂×C₄×D₄×C₁₉	1	1	yes	characteristic
276	C₂²	C₂×C₁₉×C₂²⋊Q₈	1	1	yes	characteristic
277	C₂²	C₂×C₁₉×#125	1	1	yes	characteristic
278	C₄	—	2	4	no	—
279	C₄	—	4	2	no	—
280	C₄	—	4	8	no	—
281	C₄	C₁₉×#389	1	4	yes	—
282	C₄	C₂²×C₄⋊C₄×C₁₉	1	1	yes	characteristic
283	C₄	C₂×C₄×Q₈×C₁₉	1	1	yes	characteristic
284	C₄	C₂×C₁₉×#121	1	1	yes	characteristic
285	C₄	C₂×C₁₉×C₄⋊Q₈	1	1	yes	characteristic
286	C₂	—	2	1	no	—
287	C₂	—	2	4	no	—
288	C₂	—	2	1	no	—
289	C₂	C₂×C₁₉×#389	1	1	yes	characteristic
290	C₂	C₁₉×#2956	1	2	yes	—

	subgroup	G/H
center	C₂×C₄×C₁₉	C₂²×D₄
commutator	C₂×C₄	C₂³×C₄×C₁₉
Frattini, cosocle	C₂²×C₄	C₂⁴×C₁₉
socle	C₂²×C₁₉	C₂×C₄×D₄
prime radical	C₂⁴×C₁₉	#41
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂×C₄×C₁₉ ◁ C₂²×M₁₆×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
5. C₁₉×#1946	C₂	semidirect
6. C₁₉×#1945	C₂	semidirect
15. C₁₉×#428	C₄	semidirect
53. C₁₉×#107	C₂×C₄	semidirect
54. C₁₉×#106	C₂×C₄	semidirect
96. #21165	C₁₉	direct (N × H)
129. #1946	C₂×C₁₉	semidirect
130. #1945	C₂×C₁₉	semidirect
155. #428	C₄×C₁₉	semidirect
198. #107	C₂×C₄×C₁₉	semidirect
199. #106	C₂×C₄×C₁₉	semidirect
203. C₁₉	#21165	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂×C₁₉×#430	2
C₁₉×#2911	2
C₁₉×#2905	2
C₂×C₄×M₁₆×C₁₉	2
C₁₉×#1946	2
C₁₉×#1945	2
C₂×C₁₉×#339	2
#21165	19

Subgroups — C19×#21165 #18027124

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#21165 #18027124