Subgroups — C₁₉×#21801 #18027760

Order 4864.

1386 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×#535	C₂	1	1	yes	maximal, characteristic
2	C₁₉×#2921	C₂	1	2	yes	maximal, complemented
3	C₁₉×#1967	C₂	1	4	yes	maximal, complemented
4	C₁₉×#1965	C₂	1	4	yes	maximal, complemented
5	C₁₉×#1785	C₂	1	2	yes	maximal, complemented
6	C₁₉×#1783	C₂	1	2	yes	maximal, complemented
7	C₂²×#41×C₁₉	C₂²	1	1	yes	characteristic
8	C₂³×D₄×C₁₉	C₂²	1	1	yes	characteristic
9	C₁₉×#535	—	2	8	no	—
10	C₂×C₁₉×#127	C₂²	1	2	yes	—
11	C₂×C₁₉×#124	C₂²	1	2	yes	—
12	C₂×C₁₉×#121	C₄	1	4	yes	—
13	C₂×C₁₉×#120	C₄	1	4	yes	—
14	C₂×C₁₉×#117	C₂²	1	1	yes	characteristic
15	C₁₉×#433	—	2	8	no	—
16	C₁₉×#423	C₂²	1	4	yes	complemented
17	C₂×C₁₉×#101	C₂²	1	4	yes	complemented
18	C₂×C₁₉×#100	C₂²	1	8	yes	—
19	C₂×C₁₉×#100	C₂²	1	4	yes	complemented
20	C₁₉×#407	C₂²	1	4	yes	—
21	C₄×M₁₆×C₁₉	C₂²	1	4	yes	complemented
22	C₂⁵×C₁₉	C₂×C₄	1	2	yes	—
23	C₂×#41×C₁₉	—	2	4	no	—
24	C₂×#41×C₁₉	—	4	4	no	—
25	C₂²×Q₈×C₁₉	C₂³	1	1	yes	characteristic
26	C₂²×D₄×C₁₉	—	2	4	no	—
27	C₂²×D₄×C₁₉	—	4	4	no	—
28	C₂²×D₄×C₁₉	C₂×C₄	1	2	yes	—
29	C₂²×D₄×C₁₉	C₂×C₄	1	2	yes	—
30	C₂²×D₄×C₁₉	C₂×C₄	1	8	yes	—
31	C₂²×D₄×C₁₉	C₂³	1	2	yes	—
32	C₂²×D₄×C₁₉	C₂³	1	1	yes	characteristic
33	C₂³×C₄×C₁₉	C₂×C₄	1	2	yes	—
34	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
35	C₂×M₁₆×C₁₉	C₂³	1	8	yes	—
36	C₁₉×#127	—	2	4	no	—
37	C₁₉×#127	—	2	4	no	—
38	C₁₉×#124	—	2	4	no	—
39	C₁₉×#124	—	2	4	no	—
40	C₁₉×#121	—	2	16	no	—
41	C₁₉×#120	—	2	16	no	—
42	C₁₉×#117	D₄	1	8	yes	—
43	C₂×C₄⋊C₄×C₁₉	C₂×C₄	1	2	yes	—
44	C₂×C₂²⋊C₄×C₁₉	C₂×C₄	1	8	yes	—
45	C₂×C₂²⋊C₄×C₁₉	C₂×C₄	1	2	yes	—
46	C₂×C₄²×C₁₉	C₂³	1	2	yes	—
47	C₁₉×C₄⋊C₈	—	2	8	no	—
48	C₁₉×#101	—	4	4	no	—
49	C₁₉×#100	—	4	8	no	—
50	C₁₉×#100	—	4	4	no	—
51	C₁₉×C₂²⋊C₈	—	2	8	no	—
52	C₁₉×#97	—	2	4	no	—
53	C₄×C₈×C₁₉	—	2	4	no	—
54	C₂⁴×C₁₉	—	2	4	no	—
55	C₂⁴×C₁₉	—	4	4	no	—
56	C₂⁴×C₁₉	—	8	4	no	—
57	C₂⁴×C₁₉	C₂²×C₄	1	4	yes	—
58	C₂⁴×C₁₉	C₂²×C₄	1	2	yes	—
59	C₂⁴×C₁₉	C₂²×C₄	1	1	yes	characteristic
60	#41×C₁₉	—	4	16	no	—
61	C₂×Q₈×C₁₉	—	2	2	no	—
62	C₂×Q₈×C₁₉	—	2	4	no	—
63	C₂×D₄×C₁₉	—	2	4	no	—
64	C₂×D₄×C₁₉	—	2	4	no	—
65	C₂×D₄×C₁₉	—	2	16	no	—
66	C₂×D₄×C₁₉	—	2	2	no	—
67	C₂×D₄×C₁₉	—	2	2	no	—
68	C₂×D₄×C₁₉	—	2	2	no	—
69	C₂×D₄×C₁₉	—	2	8	no	—
70	C₂×D₄×C₁₉	—	2	4	no	—
71	C₂×D₄×C₁₉	—	4	4	no	—
72	C₂×D₄×C₁₉	—	4	4	no	—
73	C₂×D₄×C₁₉	—	4	16	no	—
74	C₂×D₄×C₁₉	—	8	8	no	—
75	C₂²×C₄×C₁₉	—	2	4	no	—
76	C₂²×C₄×C₁₉	—	2	4	no	—
77	C₂²×C₄×C₁₉	—	4	4	no	—
78	C₂²×C₄×C₁₉	C₂²×C₄	1	2	yes	—
79	C₂²×C₄×C₁₉	C₂²×C₄	1	1	yes	characteristic
80	C₂²×C₄×C₁₉	C₂²×C₄	1	4	yes	—
81	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
82	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
83	M₁₆×C₁₉	—	2	8	no	—
84	M₁₆×C₁₉	—	2	8	no	—
85	C₂×C₈×C₁₉	—	2	8	no	—
86	C₄⋊C₄×C₁₉	C₂²⋊C₄	1	8	yes	—
87	C₂²⋊C₄×C₁₉	—	2	16	no	—
88	C₂²⋊C₄×C₁₉	C₂²⋊C₄	1	8	yes	—
89	C₄²×C₁₉	C₂×D₄	1	4	yes	—
90	C₄²×C₁₉	C₂×D₄	1	4	yes	—
91	#21801	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
92	C₂³×C₁₉	—	2	2	no	—
93	C₂³×C₁₉	—	2	4	no	—
94	C₂³×C₁₉	—	2	2	no	—
95	C₂³×C₁₉	—	2	4	no	—
96	C₂³×C₁₉	—	2	8	no	—
97	C₂³×C₁₉	—	4	2	no	—
98	C₂³×C₁₉	—	4	8	no	—
99	C₂³×C₁₉	—	4	4	no	—
100	C₂³×C₁₉	—	4	8	no	—
101	C₂³×C₁₉	—	8	8	no	—
102	C₂³×C₁₉	—	8	16	no	—
103	C₂³×C₁₉	C₂×C₂²⋊C₄	1	2	yes	—
104	C₂³×C₁₉	C₂³×C₄	1	1	yes	characteristic
105	Q₈×C₁₉	—	4	4	no	—
106	D₄×C₁₉	—	4	8	no	—
107	D₄×C₁₉	—	4	8	no	—
108	D₄×C₁₉	—	4	4	no	—
109	D₄×C₁₉	—	4	4	no	—
110	D₄×C₁₉	—	4	4	no	—
111	D₄×C₁₉	—	8	16	no	—
112	C₂×C₄×C₁₉	—	2	2	no	—
113	C₂×C₄×C₁₉	—	2	8	no	—
114	C₂×C₄×C₁₉	—	2	2	no	—
115	C₂×C₄×C₁₉	—	2	4	no	—
116	C₂×C₄×C₁₉	—	4	4	no	—
117	C₂×C₄×C₁₉	—	4	8	no	—
118	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	8	yes	—
119	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	2	yes	—
120	C₂×C₄×C₁₉	C₂²×D₄	1	2	yes	—
121	C₂×C₄×C₁₉	H(5,𝔽₂)	1	4	yes	—
122	C₈×C₁₉	—	4	8	no	—
123	C₂×#535	C₂×C₁₉	1	1	yes	characteristic
124	#2921	C₂×C₁₉	1	2	yes	complemented
125	#1967	C₂×C₁₉	1	4	yes	complemented
126	#1965	C₂×C₁₉	1	4	yes	complemented
127	#1785	C₂×C₁₉	1	2	yes	complemented
128	#1783	C₂×C₁₉	1	2	yes	complemented
129	C₂²×C₁₉	—	2	2	no	—
130	C₂²×C₁₉	—	2	2	no	—
131	C₂²×C₁₉	—	2	4	no	—
132	C₂²×C₁₉	—	4	4	no	—
133	C₂²×C₁₉	—	4	2	no	—
134	C₂²×C₁₉	—	4	4	no	—
135	C₂²×C₁₉	—	4	4	no	—
136	C₂²×C₁₉	—	4	8	no	—
137	C₂²×C₁₉	—	8	4	no	—
138	C₂²×C₁₉	—	8	8	no	—
139	C₂²×C₁₉	—	8	16	no	—
140	C₂²×C₁₉	C₂²×C₂²⋊C₄	1	1	yes	characteristic
141	C₂²×C₁₉	#518	1	2	yes	—
142	C₄×C₁₉	—	2	2	no	—
143	C₄×C₁₉	—	2	8	no	—
144	C₄×C₁₉	—	4	2	no	—
145	C₄×C₁₉	#535	1	4	yes	—
146	C₂²×#41	C₂²×C₁₉	1	1	yes	characteristic
147	C₂³×D₄	C₂²×C₁₉	1	1	yes	characteristic
148	#535	—	2	8	no	—
149	C₂×#127	C₂²×C₁₉	1	2	yes	—
150	C₂×#124	C₂²×C₁₉	1	2	yes	—
151	C₂×#121	C₄×C₁₉	1	4	yes	—
152	C₂×#120	C₄×C₁₉	1	4	yes	—
153	C₂×#117	C₂²×C₁₉	1	1	yes	characteristic
154	#433	—	2	8	no	—
155	#423	C₂²×C₁₉	1	4	yes	complemented
156	C₂×#101	C₂²×C₁₉	1	4	yes	complemented
157	C₂×#100	C₂²×C₁₉	1	8	yes	—
158	C₂×#100	C₂²×C₁₉	1	4	yes	complemented
159	#407	C₂²×C₁₉	1	4	yes	—
160	C₄×M₁₆	C₂²×C₁₉	1	4	yes	complemented
161	C₂×C₁₉	—	2	2	no	—
162	C₂×C₁₉	—	4	2	no	—
163	C₂×C₁₉	—	8	2	no	—
164	C₂×C₁₉	—	8	4	no	—
165	C₂×C₁₉	#2309	1	1	yes	characteristic
166	C₂×C₁₉	#2888	1	2	yes	—
167	C₂⁵	C₂×C₄×C₁₉	1	2	yes	—
168	C₂×#41	—	2	4	no	—
169	C₂×#41	—	4	4	no	—
170	C₂²×Q₈	C₂³×C₁₉	1	1	yes	characteristic
171	C₂²×D₄	—	2	4	no	—
172	C₂²×D₄	—	4	4	no	—
173	C₂²×D₄	C₂×C₄×C₁₉	1	2	yes	—
174	C₂²×D₄	C₂×C₄×C₁₉	1	2	yes	—
175	C₂²×D₄	C₂×C₄×C₁₉	1	8	yes	—
176	C₂²×D₄	C₂³×C₁₉	1	2	yes	—
177	C₂²×D₄	C₂³×C₁₉	1	1	yes	characteristic
178	C₂³×C₄	C₂×C₄×C₁₉	1	2	yes	—
179	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
180	C₂×M₁₆	C₂³×C₁₉	1	8	yes	—
181	#127	—	2	4	no	—
182	#127	—	2	4	no	—
183	#124	—	2	4	no	—
184	#124	—	2	4	no	—
185	#121	—	2	16	no	—
186	#120	—	2	16	no	—
187	#117	D₄×C₁₉	1	8	yes	—
188	C₂×C₄⋊C₄	C₂×C₄×C₁₉	1	2	yes	—
189	C₂×C₂²⋊C₄	C₂×C₄×C₁₉	1	8	yes	—
190	C₂×C₂²⋊C₄	C₂×C₄×C₁₉	1	2	yes	—
191	C₂×C₄²	C₂³×C₁₉	1	2	yes	—
192	C₄⋊C₈	—	2	8	no	—
193	#101	—	4	4	no	—
194	#100	—	4	8	no	—
195	#100	—	4	4	no	—
196	C₂²⋊C₈	—	2	8	no	—
197	#97	—	2	4	no	—
198	C₄×C₈	—	2	4	no	—
199	C₁₉	#21801	1	1	yes	characteristic, direct product factor, Sylow
200	C₂⁴	—	2	4	no	—
201	C₂⁴	—	4	4	no	—
202	C₂⁴	—	8	4	no	—
203	C₂⁴	C₂²×C₄×C₁₉	1	4	yes	—
204	C₂⁴	C₂²×C₄×C₁₉	1	2	yes	—
205	C₂⁴	C₂²×C₄×C₁₉	1	1	yes	characteristic
206	#41	—	4	16	no	—
207	C₂×Q₈	—	2	2	no	—
208	C₂×Q₈	—	2	4	no	—
209	C₂×D₄	—	2	4	no	—
210	C₂×D₄	—	2	4	no	—
211	C₂×D₄	—	2	16	no	—
212	C₂×D₄	—	2	2	no	—
213	C₂×D₄	—	2	2	no	—
214	C₂×D₄	—	2	2	no	—
215	C₂×D₄	—	2	8	no	—
216	C₂×D₄	—	2	4	no	—
217	C₂×D₄	—	4	4	no	—
218	C₂×D₄	—	4	4	no	—
219	C₂×D₄	—	4	16	no	—
220	C₂×D₄	—	8	8	no	—
221	C₂²×C₄	—	2	4	no	—
222	C₂²×C₄	—	2	4	no	—
223	C₂²×C₄	—	4	4	no	—
224	C₂²×C₄	C₂²×C₄×C₁₉	1	2	yes	—
225	C₂²×C₄	C₂²×C₄×C₁₉	1	1	yes	characteristic
226	C₂²×C₄	C₂²×C₄×C₁₉	1	4	yes	—
227	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
228	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
229	M₁₆	—	2	8	no	—
230	M₁₆	—	2	8	no	—
231	C₂×C₈	—	2	8	no	—
232	C₄⋊C₄	C₂²⋊C₄×C₁₉	1	8	yes	—
233	C₂²⋊C₄	—	2	16	no	—
234	C₂²⋊C₄	C₂²⋊C₄×C₁₉	1	8	yes	—
235	C₄²	C₂×D₄×C₁₉	1	4	yes	—
236	C₄²	C₂×D₄×C₁₉	1	4	yes	—
237	C₂³	—	2	2	no	—
238	C₂³	—	2	4	no	—
239	C₂³	—	2	2	no	—
240	C₂³	—	2	4	no	—
241	C₂³	—	2	8	no	—
242	C₂³	—	4	2	no	—
243	C₂³	—	4	8	no	—
244	C₂³	—	4	4	no	—
245	C₂³	—	4	8	no	—
246	C₂³	—	8	8	no	—
247	C₂³	—	8	16	no	—
248	C₂³	C₂×C₂²⋊C₄×C₁₉	1	2	yes	—
249	C₂³	C₂³×C₄×C₁₉	1	1	yes	characteristic
250	Q₈	—	4	4	no	—
251	D₄	—	4	8	no	—
252	D₄	—	4	8	no	—
253	D₄	—	4	4	no	—
254	D₄	—	4	4	no	—
255	D₄	—	4	4	no	—
256	D₄	—	8	16	no	—
257	C₂×C₄	—	2	2	no	—
258	C₂×C₄	—	2	8	no	—
259	C₂×C₄	—	2	2	no	—
260	C₂×C₄	—	2	4	no	—
261	C₂×C₄	—	4	4	no	—
262	C₂×C₄	—	4	8	no	—
263	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	8	yes	—
264	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	2	yes	—
265	C₂×C₄	C₂²×D₄×C₁₉	1	2	yes	—
266	C₂×C₄	C₁₉×H(5,𝔽₂)	1	4	yes	—
267	C₈	—	4	8	no	—
268	C₂²	—	2	2	no	—
269	C₂²	—	2	2	no	—
270	C₂²	—	2	4	no	—
271	C₂²	—	4	4	no	—
272	C₂²	—	4	2	no	—
273	C₂²	—	4	4	no	—
274	C₂²	—	4	4	no	—
275	C₂²	—	4	8	no	—
276	C₂²	—	8	8	no	—
277	C₂²	—	8	4	no	—
278	C₂²	—	8	16	no	—
279	C₂²	C₂²×C₂²⋊C₄×C₁₉	1	1	yes	characteristic
280	C₂²	C₁₉×#518	1	2	yes	—
281	C₄	—	2	2	no	—
282	C₄	—	2	8	no	—
283	C₄	—	4	2	no	—
284	C₄	C₁₉×#535	1	4	yes	—
285	C₂	—	2	2	no	—
286	C₂	—	4	2	no	—
287	C₂	—	8	4	no	—
288	C₂	—	8	2	no	—
289	C₂	C₁₉×#2309	1	1	yes	characteristic
290	C₂	C₁₉×#2888	1	2	yes	—

	subgroup	G/H
center, socle	C₂²×C₁₉	C₂²×C₂²⋊C₄
commutator	C₂³	C₂³×C₄×C₁₉
Frattini, cosocle	C₂²×C₄	C₂⁴×C₁₉
prime radical	C₂×C₁₉×#535	C₂
LCS	G ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₁₉ ◁ C₂×C₁₉×#117 ◁ G

Complements

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

N	H ≅ G/N	type
2. C₁₉×#2921	C₂	semidirect
3. C₁₉×#1967	C₂	semidirect
4. C₁₉×#1965	C₂	semidirect
5. C₁₉×#1785	C₂	semidirect
6. C₁₉×#1783	C₂	semidirect
16. C₁₉×#423	C₂²	semidirect
17. C₂×C₁₉×#101	C₂²	semidirect
19. C₂×C₁₉×#100	C₂²	semidirect
21. C₄×M₁₆×C₁₉	C₂²	semidirect
91. #21801	C₁₉	direct (N × H)
124. #2921	C₂×C₁₉	semidirect
125. #1967	C₂×C₁₉	semidirect
126. #1965	C₂×C₁₉	semidirect
127. #1785	C₂×C₁₉	semidirect
128. #1783	C₂×C₁₉	semidirect
155. #423	C₂²×C₁₉	semidirect
156. C₂×#101	C₂²×C₁₉	semidirect
158. C₂×#100	C₂²×C₁₉	semidirect
160. C₄×M₁₆	C₂²×C₁₉	semidirect
199. C₁₉	#21801	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×#535	2
C₁₉×#2921	2
C₁₉×#1967	2
C₁₉×#1965	2
C₁₉×#1785	2
C₁₉×#1783	2
#21801	19

Subgroups — C19×#21801 #18027760

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#21801 #18027760