Subgroups — C₂×C₁₉×#2221 #18039573

Order 4864.

678 conjugacy classes of subgroups.

The subgroup lattice has 310 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₁₉×D₁₆	C₂	1	1	yes	maximal, characteristic, complemented
2	C₂×C₁₉×#504	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂×C₁₉×#472	C₂	1	2	yes	maximal, complemented
4	C₁₉×#2221	C₂	1	8	yes	maximal, direct product factor
5	C₂×C₁₉×#368	C₂	1	1	yes	maximal, characteristic, complemented
6	C₂×C₁₉×#361	C₂	1	2	yes	maximal, complemented
7	C₂×C₁₉×AGL(1,ℤ/8)	—	2	2	no	—
8	C₂²×D₈×C₁₉	C₂²	1	2	yes	—
9	C₂×C₁₉×#131	C₂²	1	1	yes	characteristic
10	C₂×C₁₉×D₁₆	—	2	1	no	—
11	C₂×C₁₉×D₁₆	—	2	1	no	—
12	C₂×C₁₉×D₁₆	—	2	2	no	—
13	C₂×C₁₉×D₁₆	C₂²	1	4	yes	complemented
14	C₁₉×#504	—	2	2	no	—
15	C₁₉×#504	C₂²	1	4	yes	complemented
16	C₂×C₁₉×M₃₂	—	2	1	no	—
17	C₂×C₁₉×M₃₂	C₂²	1	1	yes	characteristic
18	C₂²×C₁₆×C₁₉	—	2	1	no	—
19	C₂²×C₁₆×C₁₉	C₂²	1	1	yes	characteristic
20	C₁₉×#472	—	2	4	no	—
21	C₁₉×#472	C₂²	1	8	yes	complemented
22	C₂×C₁₉×#108	C₂²	1	2	yes	—
23	C₂×C₁₉×#100	—	2	2	no	—
24	C₁₉×#368	C₂²	1	4	yes	complemented
25	C₁₉×#361	C₂²	1	8	yes	complemented
26	C₂×#41×C₁₉	D₄	1	1	yes	characteristic
27	C₂²×D₄×C₁₉	—	2	2	no	—
28	C₁₉×AGL(1,ℤ/8)	—	2	8	no	—
29	C₁₉×AGL(1,ℤ/8)	—	4	4	no	—
30	C₂×SD₁₆×C₁₉	—	4	2	no	—
31	C₂×D₈×C₁₉	—	2	2	no	—
32	C₂×D₈×C₁₉	—	2	2	no	—
33	C₂×D₈×C₁₉	—	2	2	no	—
34	C₂×D₈×C₁₉	—	2	2	no	—
35	C₂×D₈×C₁₉	—	2	2	no	—
36	C₂×D₈×C₁₉	—	4	2	no	—
37	C₂×D₈×C₁₉	C₂³	1	4	yes	—
38	C₁₉×#131	—	2	1	no	—
39	C₁₉×#131	—	2	1	no	—
40	C₁₉×#131	D₄	1	2	yes	—
41	C₁₉×#131	C₂³	1	2	yes	—
42	C₂×M₁₆×C₁₉	—	2	1	no	—
43	C₂×M₁₆×C₁₉	—	2	2	no	—
44	C₂×M₁₆×C₁₉	D₄	1	1	yes	characteristic
45	C₂²×C₈×C₁₉	—	2	1	no	—
46	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
47	C₁₉×D₁₆	—	2	4	no	—
48	C₁₉×D₁₆	—	2	4	no	—
49	C₁₉×M₃₂	—	2	1	no	—
50	C₁₉×M₃₂	—	2	4	no	—
51	C₁₉×M₃₂	C₂³	1	2	yes	—
52	C₂×C₁₆×C₁₉	—	2	1	no	—
53	C₂×C₁₆×C₁₉	—	2	4	no	—
54	C₂×C₁₆×C₁₉	D₄	1	1	yes	characteristic
55	C₂×C₁₆×C₁₉	D₄	1	1	yes	characteristic
56	C₂×C₁₆×C₁₉	D₄	1	2	yes	—
57	C₂×C₁₆×C₁₉	C₂³	1	2	yes	—
58	C₁₉×#108	—	2	2	no	—
59	C₁₉×#108	C₂³	1	4	yes	—
60	C₁₉×#100	—	2	8	no	—
61	C₂⁴×C₁₉	—	4	2	no	—
62	#41×C₁₉	—	2	1	no	—
63	#41×C₁₉	—	2	1	no	—
64	#41×C₁₉	D₈	1	2	yes	—
65	#41×C₁₉	C₂×D₄	1	2	yes	—
66	C₂×Q₈×C₁₉	D₈	1	1	yes	characteristic
67	C₂×D₄×C₁₉	—	2	1	no	—
68	C₂×D₄×C₁₉	—	2	4	no	—
69	C₂×D₄×C₁₉	—	4	2	no	—
70	C₂×D₄×C₁₉	—	4	2	no	—
71	C₂×D₄×C₁₉	—	4	2	no	—
72	C₂×D₄×C₁₉	—	4	2	no	—
73	C₂×D₄×C₁₉	—	4	2	no	—
74	C₂×D₄×C₁₉	D₈	1	1	yes	characteristic
75	C₂²×C₄×C₁₉	—	2	1	no	—
76	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
77	SD₁₆×C₁₉	—	4	8	no	—
78	D₈×C₁₉	—	2	4	no	—
79	D₈×C₁₉	—	2	4	no	—
80	D₈×C₁₉	—	4	8	no	—
81	D₈×C₁₉	—	4	2	no	—
82	D₈×C₁₉	—	4	2	no	—
83	M₁₆×C₁₉	—	2	1	no	—
84	M₁₆×C₁₉	—	2	2	no	—
85	M₁₆×C₁₉	—	2	2	no	—
86	M₁₆×C₁₉	—	2	4	no	—
87	M₁₆×C₁₉	—	4	2	no	—
88	M₁₆×C₁₉	C₂×D₄	1	2	yes	—
89	C₂×C₈×C₁₉	—	2	1	no	—
90	C₂×C₈×C₁₉	—	2	2	no	—
91	C₂×C₈×C₁₉	—	2	2	no	—
92	C₂×C₈×C₁₉	—	4	2	no	—
93	C₂×C₈×C₁₉	C₂×D₄	1	1	yes	characteristic
94	C₂×C₈×C₁₉	C₂×D₄	1	1	yes	characteristic
95	C₂×C₈×C₁₉	C₂×D₄	1	1	yes	characteristic
96	C₂×C₈×C₁₉	#41	1	1	yes	characteristic
97	C₂×C₈×C₁₉	#41	1	1	yes	characteristic
98	C₂×C₈×C₁₉	C₂⁴	1	1	yes	characteristic
99	C₁₆×C₁₉	—	2	2	no	—
100	C₁₆×C₁₉	C₂×D₄	1	2	yes	—
101	C₁₆×C₁₉	C₂×D₄	1	2	yes	—
102	C₂×#2221	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
103	C₂³×C₁₉	—	2	1	no	—
104	C₂³×C₁₉	—	4	4	no	—
105	C₂³×C₁₉	—	8	2	no	—
106	C₂³×C₁₉	—	8	2	no	—
107	C₂³×C₁₉	—	16	4	no	—
108	C₂³×C₁₉	#135	1	1	yes	characteristic
109	Q₈×C₁₉	—	2	1	no	—
110	Q₈×C₁₉	C₂×D₈	1	2	yes	—
111	D₄×C₁₉	—	2	2	no	—
112	D₄×C₁₉	—	2	2	no	—
113	D₄×C₁₉	—	2	1	no	—
114	D₄×C₁₉	—	4	4	no	—
115	D₄×C₁₉	—	4	4	no	—
116	D₄×C₁₉	—	8	2	no	—
117	D₄×C₁₉	—	8	2	no	—
118	D₄×C₁₉	C₂×D₈	1	2	yes	—
119	C₂×C₄×C₁₉	—	2	1	no	—
120	C₂×C₄×C₁₉	—	2	2	no	—
121	C₂×C₄×C₁₉	—	2	2	no	—
122	C₂×C₄×C₁₉	#121	1	1	yes	characteristic
123	C₂×C₄×C₁₉	#121	1	1	yes	characteristic
124	C₂×C₄×C₁₉	C₂×D₈	1	1	yes	characteristic
125	C₂×C₄×C₁₉	C₂×D₈	1	1	yes	characteristic
126	C₂×C₄×C₁₉	#135	1	1	yes	characteristic
127	C₂×C₄×C₁₉	C₂²×D₄	1	1	yes	characteristic
128	C₈×C₁₉	—	2	2	no	—
129	C₈×C₁₉	—	4	4	no	—
130	C₈×C₁₉	#121	1	1	yes	characteristic
131	C₈×C₁₉	#121	1	1	yes	characteristic
132	C₈×C₁₉	C₂²×D₄	1	1	yes	characteristic
133	C₈×C₁₉	C₂×#41	1	1	yes	characteristic
134	C₂²×D₁₆	C₂×C₁₉	1	1	yes	characteristic, complemented
135	C₂×#504	C₂×C₁₉	1	1	yes	characteristic, complemented
136	C₂×#472	C₂×C₁₉	1	2	yes	complemented
137	#2221	C₂×C₁₉	1	8	yes	direct product factor
138	C₂×#368	C₂×C₁₉	1	1	yes	characteristic, complemented
139	C₂×#361	C₂×C₁₉	1	2	yes	complemented
140	C₂²×C₁₉	—	2	2	no	—
141	C₂²×C₁₉	—	2	2	no	—
142	C₂²×C₁₉	—	4	2	no	—
143	C₂²×C₁₉	—	8	4	no	—
144	C₂²×C₁₉	—	16	4	no	—
145	C₂²×C₁₉	—	16	4	no	—
146	C₂²×C₁₉	—	16	4	no	—
147	C₂²×C₁₉	#466	1	1	yes	characteristic
148	C₂²×C₁₉	#466	1	1	yes	characteristic
149	C₂²×C₁₉	C₂×#135	1	1	yes	characteristic
150	C₄×C₁₉	—	2	2	no	—
151	C₄×C₁₉	#466	1	1	yes	characteristic
152	C₄×C₁₉	#466	1	1	yes	characteristic
153	C₄×C₁₉	C₂×#121	1	1	yes	characteristic
154	C₄×C₁₉	C₂²×D₈	1	1	yes	characteristic
155	C₂×AGL(1,ℤ/8)	—	2	2	no	—
156	C₂²×D₈	C₂²×C₁₉	1	2	yes	—
157	C₂×#131	C₂²×C₁₉	1	1	yes	characteristic
158	C₂×D₁₆	—	2	1	no	—
159	C₂×D₁₆	—	2	1	no	—
160	C₂×D₁₆	—	2	2	no	—
161	C₂×D₁₆	C₂²×C₁₉	1	4	yes	complemented
162	#504	—	2	2	no	—
163	#504	C₂²×C₁₉	1	4	yes	complemented
164	C₂×M₃₂	—	2	1	no	—
165	C₂×M₃₂	C₂²×C₁₉	1	1	yes	characteristic
166	C₂²×C₁₆	—	2	1	no	—
167	C₂²×C₁₆	C₂²×C₁₉	1	1	yes	characteristic
168	#472	—	2	4	no	—
169	#472	C₂²×C₁₉	1	8	yes	complemented
170	C₂×#108	C₂²×C₁₉	1	2	yes	—
171	C₂×#100	—	2	2	no	—
172	#368	C₂²×C₁₉	1	4	yes	complemented
173	#361	C₂²×C₁₉	1	8	yes	complemented
174	C₂×C₁₉	—	2	1	no	—
175	C₂×C₁₉	—	2	1	no	—
176	C₂×C₁₉	—	4	2	no	—
177	C₂×C₁₉	—	16	4	no	—
178	C₂×C₁₉	#2221	1	2	yes	direct product factor
179	C₂×C₁₉	C₂×#466	1	1	yes	characteristic
180	C₂×#41	D₄×C₁₉	1	1	yes	characteristic
181	C₂²×D₄	—	2	2	no	—
182	AGL(1,ℤ/8)	—	2	8	no	—
183	AGL(1,ℤ/8)	—	4	4	no	—
184	C₂×SD₁₆	—	4	2	no	—
185	C₂×D₈	—	2	2	no	—
186	C₂×D₈	—	2	2	no	—
187	C₂×D₈	—	2	2	no	—
188	C₂×D₈	—	2	2	no	—
189	C₂×D₈	—	2	2	no	—
190	C₂×D₈	—	4	2	no	—
191	C₂×D₈	C₂³×C₁₉	1	4	yes	—
192	#131	—	2	1	no	—
193	#131	—	2	1	no	—
194	#131	D₄×C₁₉	1	2	yes	—
195	#131	C₂³×C₁₉	1	2	yes	—
196	C₂×M₁₆	—	2	1	no	—
197	C₂×M₁₆	—	2	2	no	—
198	C₂×M₁₆	D₄×C₁₉	1	1	yes	characteristic
199	C₂²×C₈	—	2	1	no	—
200	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
201	D₁₆	—	2	4	no	—
202	D₁₆	—	2	4	no	—
203	M₃₂	—	2	1	no	—
204	M₃₂	—	2	4	no	—
205	M₃₂	C₂³×C₁₉	1	2	yes	—
206	C₂×C₁₆	—	2	1	no	—
207	C₂×C₁₆	—	2	4	no	—
208	C₂×C₁₆	D₄×C₁₉	1	1	yes	characteristic
209	C₂×C₁₆	D₄×C₁₉	1	1	yes	characteristic
210	C₂×C₁₆	D₄×C₁₉	1	2	yes	—
211	C₂×C₁₆	C₂³×C₁₉	1	2	yes	—
212	#108	—	2	2	no	—
213	#108	C₂³×C₁₉	1	4	yes	—
214	#100	—	2	8	no	—
215	C₁₉	C₂×#2221	1	1	yes	characteristic, direct product factor, Sylow
216	C₂⁴	—	4	2	no	—
217	#41	—	2	1	no	—
218	#41	—	2	1	no	—
219	#41	D₈×C₁₉	1	2	yes	—
220	#41	C₂×D₄×C₁₉	1	2	yes	—
221	C₂×Q₈	D₈×C₁₉	1	1	yes	characteristic
222	C₂×D₄	—	2	1	no	—
223	C₂×D₄	—	2	4	no	—
224	C₂×D₄	—	4	2	no	—
225	C₂×D₄	—	4	2	no	—
226	C₂×D₄	—	4	2	no	—
227	C₂×D₄	—	4	2	no	—
228	C₂×D₄	—	4	2	no	—
229	C₂×D₄	D₈×C₁₉	1	1	yes	characteristic
230	C₂²×C₄	—	2	1	no	—
231	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
232	SD₁₆	—	4	8	no	—
233	D₈	—	2	4	no	—
234	D₈	—	2	4	no	—
235	D₈	—	4	8	no	—
236	D₈	—	4	2	no	—
237	D₈	—	4	2	no	—
238	M₁₆	—	2	1	no	—
239	M₁₆	—	2	2	no	—
240	M₁₆	—	2	2	no	—
241	M₁₆	—	2	4	no	—
242	M₁₆	—	4	2	no	—
243	M₁₆	C₂×D₄×C₁₉	1	2	yes	—
244	C₂×C₈	—	2	1	no	—
245	C₂×C₈	—	2	2	no	—
246	C₂×C₈	—	2	2	no	—
247	C₂×C₈	—	4	2	no	—
248	C₂×C₈	C₂×D₄×C₁₉	1	1	yes	characteristic
249	C₂×C₈	C₂×D₄×C₁₉	1	1	yes	characteristic
250	C₂×C₈	C₂×D₄×C₁₉	1	1	yes	characteristic
251	C₂×C₈	#41×C₁₉	1	1	yes	characteristic
252	C₂×C₈	#41×C₁₉	1	1	yes	characteristic
253	C₂×C₈	C₂⁴×C₁₉	1	1	yes	characteristic
254	C₁₆	—	2	2	no	—
255	C₁₆	C₂×D₄×C₁₉	1	2	yes	—
256	C₁₆	C₂×D₄×C₁₉	1	2	yes	—
257	C₂³	—	2	1	no	—
258	C₂³	—	4	4	no	—
259	C₂³	—	8	2	no	—
260	C₂³	—	8	2	no	—
261	C₂³	—	16	4	no	—
262	C₂³	C₁₉×#135	1	1	yes	characteristic
263	Q₈	—	2	1	no	—
264	Q₈	C₂×D₈×C₁₉	1	2	yes	—
265	D₄	—	2	2	no	—
266	D₄	—	2	2	no	—
267	D₄	—	2	1	no	—
268	D₄	—	4	4	no	—
269	D₄	—	4	4	no	—
270	D₄	—	8	2	no	—
271	D₄	—	8	2	no	—
272	D₄	C₂×D₈×C₁₉	1	2	yes	—
273	C₂×C₄	—	2	1	no	—
274	C₂×C₄	—	2	2	no	—
275	C₂×C₄	—	2	2	no	—
276	C₂×C₄	C₁₉×#121	1	1	yes	characteristic
277	C₂×C₄	C₁₉×#121	1	1	yes	characteristic
278	C₂×C₄	C₂×D₈×C₁₉	1	1	yes	characteristic
279	C₂×C₄	C₂×D₈×C₁₉	1	1	yes	characteristic
280	C₂×C₄	C₁₉×#135	1	1	yes	characteristic
281	C₂×C₄	C₂²×D₄×C₁₉	1	1	yes	characteristic
282	C₈	—	2	2	no	—
283	C₈	—	4	4	no	—
284	C₈	C₁₉×#121	1	1	yes	characteristic
285	C₈	C₁₉×#121	1	1	yes	characteristic
286	C₈	C₂²×D₄×C₁₉	1	1	yes	characteristic
287	C₈	C₂×#41×C₁₉	1	1	yes	characteristic
288	C₂²	—	2	2	no	—
289	C₂²	—	2	2	no	—
290	C₂²	—	4	2	no	—
291	C₂²	—	8	4	no	—
292	C₂²	—	16	4	no	—
293	C₂²	—	16	4	no	—
294	C₂²	—	16	4	no	—
295	C₂²	C₁₉×#466	1	1	yes	characteristic
296	C₂²	C₁₉×#466	1	1	yes	characteristic
297	C₂²	C₂×C₁₉×#135	1	1	yes	characteristic
298	C₄	—	2	2	no	—
299	C₄	C₁₉×#466	1	1	yes	characteristic
300	C₄	C₁₉×#466	1	1	yes	characteristic
301	C₄	C₂×C₁₉×#121	1	1	yes	characteristic
302	C₄	C₂²×D₈×C₁₉	1	1	yes	characteristic
303	C₂	—	2	1	no	—
304	C₂	—	2	1	no	—
305	C₂	—	4	2	no	—
306	C₂	—	16	4	no	—
307	C₂	C₁₉×#2221	1	2	yes	direct product factor
308	C₂	C₂×C₁₉×#466	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²×C₁₉	#466
commutator, Frattini, cosocle	C₂×C₈	C₂⁴×C₁₉
LCS	G ▷ C₂×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₁₉ ◁ C₂²×C₄×C₁₉ ◁ C₂×C₁₉×#131 ◁ G

Complements

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

N	H ≅ G/N	type
1. C₂²×C₁₉×D₁₆	C₂	semidirect
2. C₂×C₁₉×#504	C₂	semidirect
3. C₂×C₁₉×#472	C₂	semidirect
4. C₁₉×#2221	C₂	direct (N × H)
5. C₂×C₁₉×#368	C₂	semidirect
6. C₂×C₁₉×#361	C₂	semidirect
13. C₂×C₁₉×D₁₆	C₂²	semidirect
15. C₁₉×#504	C₂²	semidirect
21. C₁₉×#472	C₂²	semidirect
24. C₁₉×#368	C₂²	semidirect
25. C₁₉×#361	C₂²	semidirect
102. C₂×#2221	C₁₉	direct (N × H)
134. C₂²×D₁₆	C₂×C₁₉	semidirect
135. C₂×#504	C₂×C₁₉	semidirect
136. C₂×#472	C₂×C₁₉	semidirect
137. #2221	C₂×C₁₉	direct (N × H)
138. C₂×#368	C₂×C₁₉	semidirect
139. C₂×#361	C₂×C₁₉	semidirect
161. C₂×D₁₆	C₂²×C₁₉	semidirect
163. #504	C₂²×C₁₉	semidirect
169. #472	C₂²×C₁₉	semidirect
172. #368	C₂²×C₁₉	semidirect
173. #361	C₂²×C₁₉	semidirect
178. C₂×C₁₉	#2221	direct (N × H)
215. C₁₉	C₂×#2221	direct (N × H)
307. C₂	C₁₉×#2221	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂²×C₁₉×D₁₆	2
C₂×C₁₉×#504	2
C₂×C₁₉×#472	2
C₁₉×#2221	2
C₂×C₁₉×#368	2
C₂×C₁₉×#361	2
C₂×#2221	19

Subgroups — C2×C19×#2221 #18039573

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×C₁₉×#2221 #18039573