Subgroups — C₁₉×#23455 #18029414

Order 4864.

1266 conjugacy classes of subgroups.

The subgroup lattice has 344 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₁₉×#533	C₂	1	1	yes	maximal, characteristic
2	C₂×C₁₉×#419	C₂	1	2	yes	maximal
3	C₂×C₁₉×#391	C₂	1	1	yes	maximal, characteristic
4	C₁₉×#2026	C₂	1	4	yes	maximal, complemented
5	C₁₉×#2024	C₂	1	4	yes	maximal, complemented
6	C₁₉×#1736	C₂	1	2	yes	maximal
7	C₁₉×#1728	C₂	1	1	yes	maximal, characteristic
8	C₂³×Q₈×C₁₉	C₂²	1	1	yes	characteristic
9	C₂²×M₁₆×C₁₉	C₂²	1	2	yes	—
10	C₁₉×#533	—	2	8	no	—
11	C₂×C₁₉×C₄⋊Q₈	C₂²	1	2	yes	—
12	C₂×C₁₉×#125	C₂²	1	2	yes	—
13	C₂×C₁₉×C₂²⋊Q₈	—	2	2	no	—
14	C₂×C₄×Q₈×C₁₉	—	2	2	no	—
15	C₂×C₁₉×#117	C₂²	1	2	yes	—
16	C₂²×C₄⋊C₄×C₁₉	C₂²	1	1	yes	characteristic
17	C₂²×C₄²×C₁₉	C₂²	1	1	yes	characteristic
18	C₁₉×#419	—	2	8	no	—
19	C₂×C₁₉×#103	C₂²	1	8	yes	—
20	C₁₉×#391	—	2	2	no	—
21	C₁₉×#391	C₂²	1	2	yes	—
22	C₁₉×#391	C₂²	1	2	yes	—
23	C₂×C₁₉×#95	—	2	2	no	—
24	C₁₉×#340	C₂²	1	8	yes	—
25	C₁₉×#336	C₂²	1	2	yes	—
26	C₁₉×#336	C₂²	1	2	yes	—
27	C₂²×Q₈×C₁₉	—	2	1	no	—
28	C₂²×Q₈×C₁₉	—	2	2	no	—
29	C₂²×Q₈×C₁₉	—	2	2	no	—
30	C₂²×Q₈×C₁₉	—	2	4	no	—
31	C₂²×Q₈×C₁₉	—	2	4	no	—
32	C₂²×Q₈×C₁₉	Q₈	1	4	yes	complemented
33	C₂²×Q₈×C₁₉	C₂³	1	2	yes	—
34	C₂³×C₄×C₁₉	—	2	1	no	—
35	C₂³×C₄×C₁₉	—	2	1	no	—
36	C₂³×C₄×C₁₉	D₄	1	2	yes	—
37	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
38	C₂×M₁₆×C₁₉	—	2	4	no	—
39	C₂×M₁₆×C₁₉	—	2	4	no	—
40	C₂×M₁₆×C₁₉	—	2	4	no	—
41	C₂²×C₈×C₁₉	C₂³	1	4	yes	—
42	C₁₉×C₄⋊Q₈	—	2	8	no	—
43	C₁₉×#125	—	2	8	no	—
44	C₁₉×C₂²⋊Q₈	—	2	16	no	—
45	C₄×Q₈×C₁₉	—	2	16	no	—
46	C₁₉×#117	—	2	4	no	—
47	C₁₉×#117	D₄	1	8	yes	—
48	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
49	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
50	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
51	C₂×C₄⋊C₄×C₁₉	—	2	1	no	—
52	C₂×C₄⋊C₄×C₁₉	C₂³	1	2	yes	—
53	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
54	C₂×C₂²⋊C₄×C₁₉	—	2	2	no	—
55	C₂×C₄²×C₁₉	—	2	4	no	—
56	C₂×C₄²×C₁₉	—	2	2	no	—
57	C₂×C₄²×C₁₉	D₄	1	2	yes	—
58	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
59	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
60	C₁₉×#103	—	2	16	no	—
61	C₁₉×#95	—	2	4	no	—
62	C₁₉×#95	—	2	4	no	—
63	C₂⁴×C₁₉	C₂×D₄	1	1	yes	characteristic
64	C₂×Q₈×C₁₉	—	2	8	no	—
65	C₂×Q₈×C₁₉	—	2	4	no	—
66	C₂×Q₈×C₁₉	—	2	2	no	—
67	C₂×Q₈×C₁₉	—	2	16	no	—
68	C₂×Q₈×C₁₉	—	2	4	no	—
69	C₂×Q₈×C₁₉	—	2	4	no	—
70	C₂×Q₈×C₁₉	—	4	4	no	—
71	C₂×Q₈×C₁₉	—	4	2	no	—
72	C₂×Q₈×C₁₉	—	4	2	no	—
73	C₂×Q₈×C₁₉	—	4	8	no	—
74	C₂×Q₈×C₁₉	—	4	4	no	—
75	C₂×Q₈×C₁₉	C₂×Q₈	1	4	yes	—
76	C₂²×C₄×C₁₉	—	2	4	no	—
77	C₂²×C₄×C₁₉	—	2	4	no	—
78	C₂²×C₄×C₁₉	—	2	4	no	—
79	C₂²×C₄×C₁₉	—	2	2	no	—
80	C₂²×C₄×C₁₉	—	2	4	no	—
81	C₂²×C₄×C₁₉	—	2	2	no	—
82	C₂²×C₄×C₁₉	—	4	2	no	—
83	C₂²×C₄×C₁₉	—	4	2	no	—
84	C₂²×C₄×C₁₉	—	4	2	no	—
85	C₂²×C₄×C₁₉	—	4	4	no	—
86	C₂²×C₄×C₁₉	—	4	2	no	—
87	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
88	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
89	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
90	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
91	C₂²×C₄×C₁₉	C₂×Q₈	1	2	yes	—
92	C₂²×C₄×C₁₉	#41	1	4	yes	—
93	C₂²×C₄×C₁₉	#41	1	2	yes	—
94	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
95	M₁₆×C₁₉	—	4	8	no	—
96	C₂×C₈×C₁₉	—	2	4	no	—
97	C₂×C₈×C₁₉	—	2	4	no	—
98	C₂×C₈×C₁₉	—	2	4	no	—
99	C₄⋊C₄×C₁₉	—	2	16	no	—
100	C₄⋊C₄×C₁₉	—	2	8	no	—
101	C₄⋊C₄×C₁₉	—	2	4	no	—
102	C₄⋊C₄×C₁₉	—	2	4	no	—
103	C₄⋊C₄×C₁₉	—	4	2	no	—
104	C₄⋊C₄×C₁₉	C₂×D₄	1	8	yes	—
105	C₂²⋊C₄×C₁₉	—	2	8	no	—
106	C₄²×C₁₉	—	2	4	no	—
107	C₄²×C₁₉	—	2	8	no	—
108	C₄²×C₁₉	—	2	2	no	—
109	C₄²×C₁₉	—	2	2	no	—
110	#23455	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
111	C₂³×C₁₉	—	2	2	no	—
112	C₂³×C₁₉	—	2	2	no	—
113	C₂³×C₁₉	#120	1	2	yes	—
114	C₂³×C₁₉	C₂²⋊Q₈	1	2	yes	—
115	C₂³×C₁₉	#124	1	2	yes	—
116	C₂³×C₁₉	C₂²×D₄	1	1	yes	characteristic
117	Q₈×C₁₉	—	2	8	no	—
118	Q₈×C₁₉	—	4	16	no	—
119	Q₈×C₁₉	—	4	4	no	—
120	Q₈×C₁₉	—	4	8	no	—
121	C₂×C₄×C₁₉	—	2	2	no	—
122	C₂×C₄×C₁₉	—	2	2	no	—
123	C₂×C₄×C₁₉	—	2	2	no	—
124	C₂×C₄×C₁₉	—	2	8	no	—
125	C₂×C₄×C₁₉	—	2	4	no	—
126	C₂×C₄×C₁₉	—	2	2	no	—
127	C₂×C₄×C₁₉	—	2	2	no	—
128	C₂×C₄×C₁₉	—	4	8	no	—
129	C₂×C₄×C₁₉	—	4	2	no	—
130	C₂×C₄×C₁₉	—	4	2	no	—
131	C₂×C₄×C₁₉	—	4	4	no	—
132	C₂×C₄×C₁₉	—	4	4	no	—
133	C₂×C₄×C₁₉	—	4	8	no	—
134	C₂×C₄×C₁₉	—	4	2	no	—
135	C₂×C₄×C₁₉	—	4	4	no	—
136	C₂×C₄×C₁₉	—	8	4	no	—
137	C₂×C₄×C₁₉	#120	1	2	yes	—
138	C₂×C₄×C₁₉	C₂²⋊Q₈	1	8	yes	—
139	C₂×C₄×C₁₉	C₂²⋊Q₈	1	2	yes	—
140	C₂×C₄×C₁₉	#124	1	8	yes	—
141	C₂×C₄×C₁₉	#124	1	2	yes	—
142	C₂×C₄×C₁₉	#137	1	4	yes	—
143	C₂×C₄×C₁₉	C₂²×D₄	1	2	yes	—
144	C₂×C₄×C₁₉	C₂²×Q₈	1	1	yes	characteristic
145	C₂×C₄×C₁₉	C₂×#41	1	2	yes	—
146	C₂×C₄×C₁₉	C₂×#41	1	1	yes	characteristic
147	C₈×C₁₉	—	4	4	no	—
148	C₂×#533	C₂×C₁₉	1	1	yes	characteristic
149	C₂×#419	C₂×C₁₉	1	2	yes	—
150	C₂×#391	C₂×C₁₉	1	1	yes	characteristic
151	#2026	C₂×C₁₉	1	4	yes	complemented
152	#2024	C₂×C₁₉	1	4	yes	complemented
153	#1736	C₂×C₁₉	1	2	yes	—
154	#1728	C₂×C₁₉	1	1	yes	characteristic
155	C₂²×C₁₉	—	2	4	no	—
156	C₂²×C₁₉	—	2	2	no	—
157	C₂²×C₁₉	—	2	2	no	—
158	C₂²×C₁₉	—	2	4	no	—
159	C₂²×C₁₉	#393	1	4	yes	—
160	C₂²×C₁₉	C₂×#120	1	1	yes	characteristic
161	C₂²×C₁₉	C₂×C₂²⋊Q₈	1	1	yes	characteristic
162	C₂²×C₁₉	C₂×#124	1	1	yes	characteristic
163	C₂²×C₁₉	C₂×#137	1	2	yes	—
164	C₂²×C₁₉	#575	1	2	yes	—
165	C₄×C₁₉	—	2	4	no	—
166	C₄×C₁₉	—	4	4	no	—
167	C₄×C₁₉	—	4	2	no	—
168	C₄×C₁₉	—	4	8	no	—
169	C₄×C₁₉	—	8	2	no	—
170	C₄×C₁₉	#393	1	4	yes	—
171	C₄×C₁₉	C₂×C₂²⋊Q₈	1	2	yes	—
172	C₄×C₁₉	C₂×#124	1	2	yes	—
173	C₂³×Q₈	C₂²×C₁₉	1	1	yes	characteristic
174	C₂²×M₁₆	C₂²×C₁₉	1	2	yes	—
175	#533	—	2	8	no	—
176	C₂×C₄⋊Q₈	C₂²×C₁₉	1	2	yes	—
177	C₂×#125	C₂²×C₁₉	1	2	yes	—
178	C₂×C₂²⋊Q₈	—	2	2	no	—
179	C₂×C₄×Q₈	—	2	2	no	—
180	C₂×#117	C₂²×C₁₉	1	2	yes	—
181	C₂²×C₄⋊C₄	C₂²×C₁₉	1	1	yes	characteristic
182	C₂²×C₄²	C₂²×C₁₉	1	1	yes	characteristic
183	#419	—	2	8	no	—
184	C₂×#103	C₂²×C₁₉	1	8	yes	—
185	#391	—	2	2	no	—
186	#391	C₂²×C₁₉	1	2	yes	—
187	#391	C₂²×C₁₉	1	2	yes	—
188	C₂×#95	—	2	2	no	—
189	#340	C₂²×C₁₉	1	8	yes	—
190	#336	C₂²×C₁₉	1	2	yes	—
191	#336	C₂²×C₁₉	1	2	yes	—
192	C₂×C₁₉	—	2	4	no	—
193	C₂×C₁₉	C₂×#393	1	1	yes	characteristic
194	C₂×C₁₉	#3007	1	2	yes	—
195	C₂×C₁₉	#3078	1	2	yes	—
196	C₂×C₁₉	#3139	1	1	yes	characteristic
197	C₂×C₁₉	#3140	1	1	yes	characteristic
198	C₂²×Q₈	—	2	2	no	—
199	C₂²×Q₈	—	2	1	no	—
200	C₂²×Q₈	—	2	2	no	—
201	C₂²×Q₈	—	2	4	no	—
202	C₂²×Q₈	—	2	4	no	—
203	C₂²×Q₈	Q₈×C₁₉	1	4	yes	complemented
204	C₂²×Q₈	C₂³×C₁₉	1	2	yes	—
205	C₂³×C₄	—	2	1	no	—
206	C₂³×C₄	—	2	1	no	—
207	C₂³×C₄	D₄×C₁₉	1	2	yes	—
208	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
209	C₂×M₁₆	—	2	4	no	—
210	C₂×M₁₆	—	2	4	no	—
211	C₂×M₁₆	—	2	4	no	—
212	C₂²×C₈	C₂³×C₁₉	1	4	yes	—
213	C₄⋊Q₈	—	2	8	no	—
214	#125	—	2	8	no	—
215	C₂²⋊Q₈	—	2	16	no	—
216	C₄×Q₈	—	2	16	no	—
217	#117	—	2	4	no	—
218	#117	D₄×C₁₉	1	8	yes	—
219	C₂×C₄⋊C₄	—	2	4	no	—
220	C₂×C₄⋊C₄	—	2	2	no	—
221	C₂×C₄⋊C₄	—	2	4	no	—
222	C₂×C₄⋊C₄	—	2	1	no	—
223	C₂×C₄⋊C₄	C₂³×C₁₉	1	2	yes	—
224	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
225	C₂×C₂²⋊C₄	—	2	2	no	—
226	C₂×C₄²	—	2	2	no	—
227	C₂×C₄²	—	2	4	no	—
228	C₂×C₄²	D₄×C₁₉	1	2	yes	—
229	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
230	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
231	#103	—	2	16	no	—
232	#95	—	2	4	no	—
233	#95	—	2	4	no	—
234	C₁₉	#23455	1	1	yes	characteristic, direct product factor, Sylow
235	C₂⁴	C₂×D₄×C₁₉	1	1	yes	characteristic
236	C₂×Q₈	—	2	8	no	—
237	C₂×Q₈	—	2	4	no	—
238	C₂×Q₈	—	2	2	no	—
239	C₂×Q₈	—	2	16	no	—
240	C₂×Q₈	—	2	4	no	—
241	C₂×Q₈	—	2	4	no	—
242	C₂×Q₈	—	4	4	no	—
243	C₂×Q₈	—	4	2	no	—
244	C₂×Q₈	—	4	8	no	—
245	C₂×Q₈	—	4	2	no	—
246	C₂×Q₈	—	4	4	no	—
247	C₂×Q₈	C₂×Q₈×C₁₉	1	4	yes	—
248	C₂²×C₄	—	2	4	no	—
249	C₂²×C₄	—	2	4	no	—
250	C₂²×C₄	—	2	2	no	—
251	C₂²×C₄	—	2	4	no	—
252	C₂²×C₄	—	2	4	no	—
253	C₂²×C₄	—	2	2	no	—
254	C₂²×C₄	—	4	2	no	—
255	C₂²×C₄	—	4	2	no	—
256	C₂²×C₄	—	4	2	no	—
257	C₂²×C₄	—	4	4	no	—
258	C₂²×C₄	—	4	2	no	—
259	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
260	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
261	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
262	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
263	C₂²×C₄	C₂×Q₈×C₁₉	1	2	yes	—
264	C₂²×C₄	#41×C₁₉	1	4	yes	—
265	C₂²×C₄	#41×C₁₉	1	2	yes	—
266	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
267	M₁₆	—	4	8	no	—
268	C₂×C₈	—	2	4	no	—
269	C₂×C₈	—	2	4	no	—
270	C₂×C₈	—	2	4	no	—
271	C₄⋊C₄	—	2	16	no	—
272	C₄⋊C₄	—	2	8	no	—
273	C₄⋊C₄	—	2	4	no	—
274	C₄⋊C₄	—	2	4	no	—
275	C₄⋊C₄	—	4	2	no	—
276	C₄⋊C₄	C₂×D₄×C₁₉	1	8	yes	—
277	C₂²⋊C₄	—	2	8	no	—
278	C₄²	—	2	4	no	—
279	C₄²	—	2	8	no	—
280	C₄²	—	2	2	no	—
281	C₄²	—	2	2	no	—
282	C₂³	—	2	2	no	—
283	C₂³	—	2	2	no	—
284	C₂³	C₁₉×#120	1	2	yes	—
285	C₂³	C₁₉×C₂²⋊Q₈	1	2	yes	—
286	C₂³	C₁₉×#124	1	2	yes	—
287	C₂³	C₂²×D₄×C₁₉	1	1	yes	characteristic
288	Q₈	—	2	8	no	—
289	Q₈	—	4	16	no	—
290	Q₈	—	4	8	no	—
291	Q₈	—	4	4	no	—
292	C₂×C₄	—	2	2	no	—
293	C₂×C₄	—	2	2	no	—
294	C₂×C₄	—	2	2	no	—
295	C₂×C₄	—	2	8	no	—
296	C₂×C₄	—	2	4	no	—
297	C₂×C₄	—	2	2	no	—
298	C₂×C₄	—	2	2	no	—
299	C₂×C₄	—	4	8	no	—
300	C₂×C₄	—	4	8	no	—
301	C₂×C₄	—	4	2	no	—
302	C₂×C₄	—	4	2	no	—
303	C₂×C₄	—	4	4	no	—
304	C₂×C₄	—	4	4	no	—
305	C₂×C₄	—	4	2	no	—
306	C₂×C₄	—	4	4	no	—
307	C₂×C₄	—	8	4	no	—
308	C₂×C₄	C₁₉×#120	1	2	yes	—
309	C₂×C₄	C₁₉×C₂²⋊Q₈	1	2	yes	—
310	C₂×C₄	C₁₉×C₂²⋊Q₈	1	8	yes	—
311	C₂×C₄	C₁₉×#124	1	2	yes	—
312	C₂×C₄	C₁₉×#124	1	8	yes	—
313	C₂×C₄	C₁₉×#137	1	4	yes	—
314	C₂×C₄	C₂²×D₄×C₁₉	1	2	yes	—
315	C₂×C₄	C₂²×Q₈×C₁₉	1	1	yes	characteristic
316	C₂×C₄	C₂×#41×C₁₉	1	2	yes	—
317	C₂×C₄	C₂×#41×C₁₉	1	1	yes	characteristic
318	C₈	—	4	4	no	—
319	C₂²	—	2	4	no	—
320	C₂²	—	2	4	no	—
321	C₂²	—	2	2	no	—
322	C₂²	—	2	2	no	—
323	C₂²	C₁₉×#393	1	4	yes	—
324	C₂²	C₂×C₁₉×#120	1	1	yes	characteristic
325	C₂²	C₂×C₁₉×C₂²⋊Q₈	1	1	yes	characteristic
326	C₂²	C₂×C₁₉×#124	1	1	yes	characteristic
327	C₂²	C₂×C₁₉×#137	1	2	yes	—
328	C₂²	C₁₉×#575	1	2	yes	—
329	C₄	—	2	4	no	—
330	C₄	—	4	2	no	—
331	C₄	—	4	8	no	—
332	C₄	—	4	4	no	—
333	C₄	—	8	2	no	—
334	C₄	C₁₉×#393	1	4	yes	—
335	C₄	C₂×C₁₉×C₂²⋊Q₈	1	2	yes	—
336	C₄	C₂×C₁₉×#124	1	2	yes	—
337	C₂	—	2	4	no	—
338	C₂	C₂×C₁₉×#393	1	1	yes	characteristic
339	C₂	C₁₉×#3007	1	2	yes	—
340	C₂	C₁₉×#3078	1	2	yes	—
341	C₂	C₁₉×#3139	1	1	yes	characteristic
342	C₂	C₁₉×#3140	1	1	yes	characteristic

	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 ◁ C₂²×C₄²×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
4. C₁₉×#2026	C₂	semidirect
5. C₁₉×#2024	C₂	semidirect
32. C₂²×Q₈×C₁₉	Q₈	semidirect
110. #23455	C₁₉	direct (N × H)
151. #2026	C₂×C₁₉	semidirect
152. #2024	C₂×C₁₉	semidirect
203. C₂²×Q₈	Q₈×C₁₉	semidirect
234. C₁₉	#23455	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×#533	2
C₂×C₁₉×#419	2
C₂×C₁₉×#391	2
C₁₉×#2026	2
C₁₉×#2024	2
C₁₉×#1736	2
C₁₉×#1728	2
#23455	19

Subgroups — C19×#23455 #18029414

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#23455 #18029414