Subgroups — C₂×C₁₉×#2243 #18039657

Order 4864.

634 conjugacy classes of subgroups.

The subgroup lattice has 268 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₁₉×#500	C₂	1	1	yes	maximal, characteristic, complemented
2	C₂×C₁₉×#495	C₂	1	1	yes	maximal, characteristic
3	C₁₉×#2243	C₂	1	8	yes	maximal, direct product factor
4	C₂×C₁₉×#358	C₂	1	2	yes	maximal, complemented
5	C₂×C₁₉×#357	C₂	1	2	yes	maximal
6	C₂×C₁₉×#346	C₂	1	1	yes	maximal, characteristic, complemented
7	C₂²×Q₁₆×C₁₉	C₂²	1	1	yes	characteristic
8	C₂²×SD₁₆×C₁₉	—	2	1	no	—
9	C₂²×D₈×C₁₉	C₂²	1	1	yes	characteristic
10	C₂×C₁₉×C₄⋊Q₈	—	2	1	no	—
11	C₂×C₁₉×#124	—	2	1	no	—
12	C₂²×C₁₆×C₁₉	C₂²	1	2	yes	—
13	C₁₉×#500	—	2	2	no	—
14	C₁₉×#500	C₂²	1	4	yes	complemented
15	C₁₉×#495	—	2	2	no	—
16	C₁₉×#495	C₂²	1	4	yes	—
17	C₂×C₁₉×#107	—	2	1	no	—
18	C₂×C₁₉×#107	C₂²	1	2	yes	—
19	C₂×C₄×C₈×C₁₉	C₂²	1	1	yes	characteristic
20	C₁₉×#358	C₂²	1	8	yes	complemented
21	C₁₉×#357	C₂²	1	8	yes	—
22	C₁₉×#346	C₂²	1	4	yes	complemented
23	C₂²×Q₈×C₁₉	—	2	1	no	—
24	C₂²×Q₈×C₁₉	—	4	1	no	—
25	C₂²×D₄×C₁₉	—	2	1	no	—
26	C₂×Q₁₆×C₁₉	—	2	1	no	—
27	C₂×Q₁₆×C₁₉	—	2	4	no	—
28	C₂×Q₁₆×C₁₉	C₂³	1	2	yes	—
29	C₂×SD₁₆×C₁₉	—	2	4	no	—
30	C₂×SD₁₆×C₁₉	—	4	4	no	—
31	C₂×D₈×C₁₉	—	2	1	no	—
32	C₂×D₈×C₁₉	—	2	4	no	—
33	C₂×D₈×C₁₉	C₂³	1	2	yes	—
34	C₂²×C₈×C₁₉	D₄	1	1	yes	characteristic
35	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
36	C₁₉×C₄⋊Q₈	—	2	4	no	—
37	C₁₉×C₄⋊Q₈	—	4	2	no	—
38	C₁₉×#124	—	2	4	no	—
39	C₁₉×#124	—	4	2	no	—
40	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
41	C₂×C₄⋊C₄×C₁₉	—	4	1	no	—
42	C₂×C₂²⋊C₄×C₁₉	—	4	1	no	—
43	C₂×C₂²⋊C₄×C₁₉	—	4	1	no	—
44	C₂×C₄²×C₁₉	D₄	1	1	yes	characteristic
45	C₂×C₁₆×C₁₉	—	2	4	no	—
46	C₂×C₁₆×C₁₉	C₂³	1	4	yes	—
47	C₁₉×#107	—	2	4	no	—
48	C₁₉×#107	—	2	2	no	—
49	C₁₉×#107	C₂³	1	4	yes	—
50	C₄×C₈×C₁₉	D₄	1	2	yes	—
51	C₄×C₈×C₁₉	C₂³	1	2	yes	—
52	C₂⁴×C₁₉	—	4	1	no	—
53	C₂×Q₈×C₁₉	—	2	2	no	—
54	C₂×Q₈×C₁₉	—	4	1	no	—
55	C₂×Q₈×C₁₉	—	4	4	no	—
56	C₂×Q₈×C₁₉	—	4	2	no	—
57	C₂×Q₈×C₁₉	—	4	2	no	—
58	C₂×Q₈×C₁₉	—	8	4	no	—
59	C₂×D₄×C₁₉	—	2	2	no	—
60	C₂×D₄×C₁₉	—	4	2	no	—
61	C₂×D₄×C₁₉	—	4	1	no	—
62	C₂×D₄×C₁₉	—	4	2	no	—
63	C₂²×C₄×C₁₉	—	4	1	no	—
64	C₂²×C₄×C₁₉	—	4	2	no	—
65	C₂²×C₄×C₁₉	D₈	1	1	yes	characteristic
66	C₂²×C₄×C₁₉	D₈	1	1	yes	characteristic
67	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
68	Q₁₆×C₁₉	—	2	4	no	—
69	Q₁₆×C₁₉	—	4	2	no	—
70	SD₁₆×C₁₉	—	4	8	no	—
71	D₈×C₁₉	—	2	4	no	—
72	D₈×C₁₉	—	4	2	no	—
73	C₂×C₈×C₁₉	SD₁₆	1	4	yes	—
74	C₂×C₈×C₁₉	C₂×D₄	1	1	yes	characteristic
75	C₂×C₈×C₁₉	C₂×D₄	1	2	yes	—
76	C₂×C₈×C₁₉	#41	1	4	yes	—
77	C₂×C₈×C₁₉	C₂⁴	1	1	yes	characteristic
78	C₄⋊C₄×C₁₉	—	2	4	no	—
79	C₄⋊C₄×C₁₉	—	4	2	no	—
80	C₄⋊C₄×C₁₉	—	4	4	no	—
81	C₂²⋊C₄×C₁₉	—	4	4	no	—
82	C₂²⋊C₄×C₁₉	—	4	4	no	—
83	C₄²×C₁₉	D₈	1	2	yes	—
84	C₄²×C₁₉	C₂×D₄	1	2	yes	—
85	C₁₆×C₁₉	—	2	4	no	—
86	C₂×#2243	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
87	C₂³×C₁₉	—	4	2	no	—
88	C₂³×C₁₉	—	8	2	no	—
89	C₂³×C₁₉	—	8	2	no	—
90	C₂³×C₁₉	—	8	2	no	—
91	C₂³×C₁₉	C₂×D₈	1	1	yes	characteristic
92	Q₈×C₁₉	—	4	2	no	—
93	Q₈×C₁₉	—	4	2	no	—
94	Q₈×C₁₉	—	8	8	no	—
95	Q₈×C₁₉	—	8	2	no	—
96	D₄×C₁₉	—	4	2	no	—
97	D₄×C₁₉	—	4	2	no	—
98	D₄×C₁₉	—	8	2	no	—
99	C₂×C₄×C₁₉	—	2	2	no	—
100	C₂×C₄×C₁₉	—	2	2	no	—
101	C₂×C₄×C₁₉	—	4	2	no	—
102	C₂×C₄×C₁₉	—	4	4	no	—
103	C₂×C₄×C₁₉	—	8	2	no	—
104	C₂×C₄×C₁₉	—	8	4	no	—
105	C₂×C₄×C₁₉	#124	1	2	yes	—
106	C₂×C₄×C₁₉	C₂×D₈	1	2	yes	—
107	C₂×C₄×C₁₉	C₂×D₈	1	2	yes	—
108	C₂×C₄×C₁₉	C₂×D₈	1	1	yes	characteristic
109	C₂×C₄×C₁₉	C₂×SD₁₆	1	2	yes	—
110	C₂×C₄×C₁₉	C₂²×D₄	1	1	yes	characteristic
111	C₈×C₁₉	#124	1	2	yes	—
112	C₈×C₁₉	C₂×SD₁₆	1	4	yes	—
113	C₈×C₁₉	C₂×#41	1	2	yes	—
114	C₂×#500	C₂×C₁₉	1	1	yes	characteristic, complemented
115	C₂×#495	C₂×C₁₉	1	1	yes	characteristic
116	#2243	C₂×C₁₉	1	8	yes	direct product factor
117	C₂×#358	C₂×C₁₉	1	2	yes	complemented
118	C₂×#357	C₂×C₁₉	1	2	yes	—
119	C₂×#346	C₂×C₁₉	1	1	yes	characteristic, complemented
120	C₂²×C₁₉	—	8	2	no	—
121	C₂²×C₁₉	—	8	2	no	—
122	C₂²×C₁₉	—	8	2	no	—
123	C₂²×C₁₉	—	16	4	no	—
124	C₂²×C₁₉	#486	1	2	yes	—
125	C₂²×C₁₉	#509	1	2	yes	—
126	C₂²×C₁₉	#510	1	2	yes	—
127	C₂²×C₁₉	C₂²×D₈	1	1	yes	characteristic
128	C₄×C₁₉	—	2	2	no	—
129	C₄×C₁₉	—	2	2	no	—
130	C₄×C₁₉	—	8	2	no	—
131	C₄×C₁₉	—	8	4	no	—
132	C₄×C₁₉	#486	1	2	yes	—
133	C₄×C₁₉	C₂×#124	1	1	yes	characteristic
134	C₄×C₁₉	C₂²×SD₁₆	1	1	yes	characteristic
135	C₂²×Q₁₆	C₂²×C₁₉	1	1	yes	characteristic
136	C₂²×SD₁₆	—	2	1	no	—
137	C₂²×D₈	C₂²×C₁₉	1	1	yes	characteristic
138	C₂×C₄⋊Q₈	—	2	1	no	—
139	C₂×#124	—	2	1	no	—
140	C₂²×C₁₆	C₂²×C₁₉	1	2	yes	—
141	#500	—	2	2	no	—
142	#500	C₂²×C₁₉	1	4	yes	complemented
143	#495	—	2	2	no	—
144	#495	C₂²×C₁₉	1	4	yes	—
145	C₂×#107	—	2	1	no	—
146	C₂×#107	C₂²×C₁₉	1	2	yes	—
147	C₂×C₄×C₈	C₂²×C₁₉	1	1	yes	characteristic
148	#358	C₂²×C₁₉	1	8	yes	complemented
149	#357	C₂²×C₁₉	1	8	yes	—
150	#346	C₂²×C₁₉	1	4	yes	complemented
151	C₂×C₁₉	—	16	2	no	—
152	C₂×C₁₉	#2243	1	4	yes	direct product factor
153	C₂×C₁₉	C₂×#486	1	1	yes	characteristic
154	C₂×C₁₉	C₂×#509	1	1	yes	characteristic
155	C₂×C₁₉	C₂×#510	1	1	yes	characteristic
156	C₂²×Q₈	—	2	1	no	—
157	C₂²×Q₈	—	4	1	no	—
158	C₂²×D₄	—	2	1	no	—
159	C₂×Q₁₆	—	2	1	no	—
160	C₂×Q₁₆	—	2	4	no	—
161	C₂×Q₁₆	C₂³×C₁₉	1	2	yes	—
162	C₂×SD₁₆	—	2	4	no	—
163	C₂×SD₁₆	—	4	4	no	—
164	C₂×D₈	—	2	1	no	—
165	C₂×D₈	—	2	4	no	—
166	C₂×D₈	C₂³×C₁₉	1	2	yes	—
167	C₂²×C₈	D₄×C₁₉	1	1	yes	characteristic
168	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
169	C₄⋊Q₈	—	2	4	no	—
170	C₄⋊Q₈	—	4	2	no	—
171	#124	—	2	4	no	—
172	#124	—	4	2	no	—
173	C₂×C₄⋊C₄	—	2	2	no	—
174	C₂×C₄⋊C₄	—	4	1	no	—
175	C₂×C₂²⋊C₄	—	4	1	no	—
176	C₂×C₂²⋊C₄	—	4	1	no	—
177	C₂×C₄²	D₄×C₁₉	1	1	yes	characteristic
178	C₂×C₁₆	—	2	4	no	—
179	C₂×C₁₆	C₂³×C₁₉	1	4	yes	—
180	#107	—	2	4	no	—
181	#107	—	2	2	no	—
182	#107	C₂³×C₁₉	1	4	yes	—
183	C₄×C₈	D₄×C₁₉	1	2	yes	—
184	C₄×C₈	C₂³×C₁₉	1	2	yes	—
185	C₁₉	C₂×#2243	1	1	yes	characteristic, direct product factor, Sylow
186	C₂⁴	—	4	1	no	—
187	C₂×Q₈	—	2	2	no	—
188	C₂×Q₈	—	4	1	no	—
189	C₂×Q₈	—	4	4	no	—
190	C₂×Q₈	—	4	2	no	—
191	C₂×Q₈	—	4	2	no	—
192	C₂×Q₈	—	8	4	no	—
193	C₂×D₄	—	2	2	no	—
194	C₂×D₄	—	4	2	no	—
195	C₂×D₄	—	4	1	no	—
196	C₂×D₄	—	4	2	no	—
197	C₂²×C₄	—	4	1	no	—
198	C₂²×C₄	—	4	2	no	—
199	C₂²×C₄	D₈×C₁₉	1	1	yes	characteristic
200	C₂²×C₄	D₈×C₁₉	1	1	yes	characteristic
201	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
202	Q₁₆	—	2	4	no	—
203	Q₁₆	—	4	2	no	—
204	SD₁₆	—	4	8	no	—
205	D₈	—	2	4	no	—
206	D₈	—	4	2	no	—
207	C₂×C₈	SD₁₆×C₁₉	1	4	yes	—
208	C₂×C₈	C₂×D₄×C₁₉	1	1	yes	characteristic
209	C₂×C₈	C₂×D₄×C₁₉	1	2	yes	—
210	C₂×C₈	#41×C₁₉	1	4	yes	—
211	C₂×C₈	C₂⁴×C₁₉	1	1	yes	characteristic
212	C₄⋊C₄	—	2	4	no	—
213	C₄⋊C₄	—	4	2	no	—
214	C₄⋊C₄	—	4	4	no	—
215	C₂²⋊C₄	—	4	4	no	—
216	C₂²⋊C₄	—	4	4	no	—
217	C₄²	D₈×C₁₉	1	2	yes	—
218	C₄²	C₂×D₄×C₁₉	1	2	yes	—
219	C₁₆	—	2	4	no	—
220	C₂³	—	4	2	no	—
221	C₂³	—	8	2	no	—
222	C₂³	—	8	2	no	—
223	C₂³	—	8	2	no	—
224	C₂³	C₂×D₈×C₁₉	1	1	yes	characteristic
225	Q₈	—	4	2	no	—
226	Q₈	—	4	2	no	—
227	Q₈	—	8	8	no	—
228	Q₈	—	8	2	no	—
229	D₄	—	4	2	no	—
230	D₄	—	4	2	no	—
231	D₄	—	8	2	no	—
232	C₂×C₄	—	2	2	no	—
233	C₂×C₄	—	2	2	no	—
234	C₂×C₄	—	4	2	no	—
235	C₂×C₄	—	4	4	no	—
236	C₂×C₄	—	8	2	no	—
237	C₂×C₄	—	8	4	no	—
238	C₂×C₄	C₁₉×#124	1	2	yes	—
239	C₂×C₄	C₂×D₈×C₁₉	1	2	yes	—
240	C₂×C₄	C₂×D₈×C₁₉	1	2	yes	—
241	C₂×C₄	C₂×D₈×C₁₉	1	1	yes	characteristic
242	C₂×C₄	C₂×SD₁₆×C₁₉	1	2	yes	—
243	C₂×C₄	C₂²×D₄×C₁₉	1	1	yes	characteristic
244	C₈	C₁₉×#124	1	2	yes	—
245	C₈	C₂×SD₁₆×C₁₉	1	4	yes	—
246	C₈	C₂×#41×C₁₉	1	2	yes	—
247	C₂²	—	8	2	no	—
248	C₂²	—	8	2	no	—
249	C₂²	—	8	2	no	—
250	C₂²	—	16	4	no	—
251	C₂²	C₁₉×#486	1	2	yes	—
252	C₂²	C₁₉×#509	1	2	yes	—
253	C₂²	C₁₉×#510	1	2	yes	—
254	C₂²	C₂²×D₈×C₁₉	1	1	yes	characteristic
255	C₄	—	2	2	no	—
256	C₄	—	2	2	no	—
257	C₄	—	8	2	no	—
258	C₄	—	8	4	no	—
259	C₄	C₁₉×#486	1	2	yes	—
260	C₄	C₂×C₁₉×#124	1	1	yes	characteristic
261	C₄	C₂²×SD₁₆×C₁₉	1	1	yes	characteristic
262	C₂	—	16	2	no	—
263	C₂	C₁₉×#2243	1	4	yes	direct product factor
264	C₂	C₂×C₁₉×#486	1	1	yes	characteristic
265	C₂	C₂×C₁₉×#509	1	1	yes	characteristic
266	C₂	C₂×C₁₉×#510	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂³×C₁₉	C₂×D₈
commutator, Frattini, cosocle	C₂×C₈	C₂⁴×C₁₉
prime radical	C₂²×D₈×C₁₉	C₂²
LCS	G ▷ C₂×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₁₉ ◁ C₂×C₄²×C₁₉ ◁ C₂×C₄×C₈×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
1. C₂×C₁₉×#500	C₂	semidirect
3. C₁₉×#2243	C₂	direct (N × H)
4. C₂×C₁₉×#358	C₂	semidirect
6. C₂×C₁₉×#346	C₂	semidirect
14. C₁₉×#500	C₂²	semidirect
20. C₁₉×#358	C₂²	semidirect
22. C₁₉×#346	C₂²	semidirect
86. C₂×#2243	C₁₉	direct (N × H)
114. C₂×#500	C₂×C₁₉	semidirect
116. #2243	C₂×C₁₉	direct (N × H)
117. C₂×#358	C₂×C₁₉	semidirect
119. C₂×#346	C₂×C₁₉	semidirect
142. #500	C₂²×C₁₉	semidirect
148. #358	C₂²×C₁₉	semidirect
150. #346	C₂²×C₁₉	semidirect
152. C₂×C₁₉	#2243	direct (N × H)
185. C₁₉	C₂×#2243	direct (N × H)
263. C₂	C₁₉×#2243	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×#500	2
C₂×C₁₉×#495	2
C₁₉×#2243	2
C₂×C₁₉×#358	2
C₂×C₁₉×#357	2
C₂×C₁₉×#346	2
C₂×#2243	19

Subgroups — C2×C19×#2243 #18039657

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×C₁₉×#2243 #18039657