Subgroups — C₁₉×#21278 #18027237

Order 4864.

798 conjugacy classes of subgroups.

The subgroup lattice has 270 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₄×Q₁₆×C₁₉	C₂	1	1	yes	maximal, characteristic
2	C₁₉×#2295	C₂	1	2	yes	maximal
3	C₁₉×#1971	C₂	1	2	yes	maximal
4	C₁₉×#1943	C₂	1	2	yes	maximal
5	C₁₉×#1935	C₂	1	4	yes	maximal
6	C₄×C₁₉×#106	C₂	1	1	yes	maximal, characteristic
7	C₄×C₁₉×#103	C₂	1	2	yes	maximal
8	C₄×C₁₉×#97	C₂	1	1	yes	maximal, characteristic
9	C₂²×Q₁₆×C₁₉	C₂²	1	1	yes	characteristic
10	C₂×C₄×Q₈×C₁₉	C₂²	1	2	yes	—
11	C₄×Q₁₆×C₁₉	C₄	1	8	yes	complemented
12	C₂×C₁₉×#107	C₂²	1	1	yes	characteristic
13	C₂×C₁₉×#106	C₂²	1	2	yes	—
14	C₂×C₁₉×#103	C₂²	1	4	yes	—
15	C₂×C₁₉×#103	C₂²	1	2	yes	—
16	C₂×C₁₉×#97	C₂²	1	2	yes	—
17	C₂×C₁₉×#97	C₂²	1	2	yes	—
18	C₂×C₄×C₈×C₁₉	C₂²	1	1	yes	characteristic
19	C₂×C₄×C₈×C₁₉	C₂²	1	1	yes	characteristic
20	C₁₉×#391	C₂²	1	4	yes	—
21	C₁₉×#389	C₂²	1	4	yes	—
22	C₁₉×#387	—	2	4	no	—
23	C₄×C₄⋊C₄×C₁₉	—	2	2	no	—
24	C₄×C₄⋊C₄×C₁₉	C₂²	1	2	yes	—
25	C₁₉×#376	—	2	2	no	—
26	C₄³×C₁₉	C₂²	1	1	yes	characteristic
27	C₁₉×#340	C₂²	1	2	yes	—
28	C₁₉×#340	C₂²	1	4	yes	—
29	C₂²×Q₈×C₁₉	C₂³	1	2	yes	—
30	C₂×Q₁₆×C₁₉	—	2	4	no	—
31	C₂×Q₁₆×C₁₉	C₂×C₄	1	4	yes	—
32	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
33	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
34	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
35	C₄×Q₈×C₁₉	—	2	4	no	—
36	C₄×Q₈×C₁₉	C₂×C₄	1	8	yes	—
37	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
38	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
39	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
40	C₂×C₄⋊C₄×C₁₉	C₂³	1	2	yes	—
41	C₂×C₄²×C₁₉	—	2	2	no	—
42	C₂×C₄²×C₁₉	—	2	2	no	—
43	C₂×C₄²×C₁₉	D₄	1	2	yes	—
44	C₂×C₄²×C₁₉	D₄	1	2	yes	—
45	C₂×C₄²×C₁₉	C₂³	1	2	yes	—
46	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
47	C₁₉×#107	C₂×C₄	1	4	yes	—
48	C₁₉×#106	—	2	4	no	—
49	C₁₉×#103	—	2	8	no	—
50	C₁₉×#103	C₂×C₄	1	8	yes	—
51	C₁₉×#97	—	2	4	no	—
52	C₁₉×#97	—	2	4	no	—
53	C₄×C₈×C₁₉	—	2	2	no	—
54	C₄×C₈×C₁₉	C₂×C₄	1	4	yes	—
55	C₁₉×#95	—	2	4	no	—
56	C₁₉×#95	—	2	4	no	—
57	C₁₉×#95	—	2	4	no	—
58	C₁₉×#95	—	2	2	no	—
59	C₂×Q₈×C₁₉	—	2	2	no	—
60	C₂×Q₈×C₁₉	—	2	4	no	—
61	C₂×Q₈×C₁₉	—	2	4	no	—
62	C₂×Q₈×C₁₉	C₂²×C₄	1	4	yes	—
63	C₂²×C₄×C₁₉	—	2	2	no	—
64	C₂²×C₄×C₁₉	—	2	2	no	—
65	C₂²×C₄×C₁₉	—	2	4	no	—
66	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
67	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
68	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
69	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
70	Q₁₆×C₁₉	—	2	8	no	—
71	C₂×C₈×C₁₉	—	2	2	no	—
72	C₂×C₈×C₁₉	—	2	2	no	—
73	C₂×C₈×C₁₉	—	2	2	no	—
74	C₂×C₈×C₁₉	C₂²×C₄	1	2	yes	—
75	C₂×C₈×C₁₉	C₂²×C₄	1	2	yes	—
76	C₂×C₈×C₁₉	#41	1	4	yes	—
77	C₂×C₈×C₁₉	#41	1	4	yes	—
78	C₄⋊C₄×C₁₉	—	2	8	no	—
79	C₄⋊C₄×C₁₉	—	2	2	no	—
80	C₄⋊C₄×C₁₉	—	2	4	no	—
81	C₄⋊C₄×C₁₉	—	2	4	no	—
82	C₄⋊C₄×C₁₉	—	4	8	no	—
83	C₄⋊C₄×C₁₉	C₂²×C₄	1	4	yes	—
84	C₄²×C₁₉	—	2	8	no	—
85	C₄²×C₁₉	—	2	4	no	—
86	C₄²×C₁₉	—	2	2	no	—
87	C₄²×C₁₉	—	2	2	no	—
88	C₄²×C₁₉	—	4	2	no	—
89	C₄²×C₁₉	—	4	4	no	—
90	C₄²×C₁₉	C₂²×C₄	1	2	yes	—
91	C₄²×C₁₉	#41	1	2	yes	—
92	#21278	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
93	C₂³×C₁₉	C₂²×D₄	1	1	yes	characteristic
94	Q₈×C₁₉	—	2	4	no	—
95	Q₈×C₁₉	—	2	4	no	—
96	Q₈×C₁₉	—	4	4	no	—
97	C₂×C₄×C₁₉	—	2	2	no	—
98	C₂×C₄×C₁₉	—	2	4	no	—
99	C₂×C₄×C₁₉	—	2	4	no	—
100	C₂×C₄×C₁₉	—	2	4	no	—
101	C₂×C₄×C₁₉	—	2	4	no	—
102	C₂×C₄×C₁₉	—	2	4	no	—
103	C₂×C₄×C₁₉	—	4	4	no	—
104	C₂×C₄×C₁₉	—	4	4	no	—
105	C₂×C₄×C₁₉	—	4	4	no	—
106	C₂×C₄×C₁₉	—	4	4	no	—
107	C₂×C₄×C₁₉	—	4	4	no	—
108	C₂×C₄×C₁₉	C₄×D₄	1	2	yes	—
109	C₂×C₄×C₁₉	C₄×D₄	1	2	yes	—
110	C₂×C₄×C₁₉	#137	1	4	yes	—
111	C₂×C₄×C₁₉	C₂³×C₄	1	1	yes	characteristic
112	C₂×C₄×C₁₉	C₂×#41	1	2	yes	—
113	C₂×C₄×C₁₉	C₂×#41	1	2	yes	—
114	C₂×C₄×C₁₉	C₂×#41	1	1	yes	characteristic
115	C₈×C₁₉	—	2	2	no	—
116	C₈×C₁₉	—	2	4	no	—
117	C₈×C₁₉	#117	1	4	yes	—
118	C₂×C₄×Q₁₆	C₂×C₁₉	1	1	yes	characteristic
119	#2295	C₂×C₁₉	1	2	yes	—
120	#1971	C₂×C₁₉	1	2	yes	—
121	#1943	C₂×C₁₉	1	2	yes	—
122	#1935	C₂×C₁₉	1	4	yes	—
123	C₄×#106	C₂×C₁₉	1	1	yes	characteristic
124	C₄×#103	C₂×C₁₉	1	2	yes	—
125	C₄×#97	C₂×C₁₉	1	1	yes	characteristic
126	C₂²×C₁₉	C₂×C₄×D₄	1	1	yes	characteristic
127	C₂²×C₁₉	#532	1	2	yes	—
128	C₂²×C₁₉	C₂×#137	1	2	yes	—
129	C₂²×C₁₉	#575	1	2	yes	—
130	C₄×C₁₉	—	2	2	no	—
131	C₄×C₁₉	—	4	4	no	—
132	C₄×C₁₉	—	4	4	no	—
133	C₄×C₁₉	—	4	4	no	—
134	C₄×C₁₉	—	8	4	no	—
135	C₄×C₁₉	#441	1	4	yes	—
136	C₄×C₁₉	C₂×#117	1	1	yes	characteristic
137	C₄×C₁₉	C₄×#41	1	1	yes	characteristic
138	C₄×C₁₉	#529	1	2	yes	—
139	C₂²×Q₁₆	C₂²×C₁₉	1	1	yes	characteristic
140	C₂×C₄×Q₈	C₂²×C₁₉	1	2	yes	—
141	C₄×Q₁₆	C₄×C₁₉	1	8	yes	complemented
142	C₂×#107	C₂²×C₁₉	1	1	yes	characteristic
143	C₂×#106	C₂²×C₁₉	1	2	yes	—
144	C₂×#103	C₂²×C₁₉	1	4	yes	—
145	C₂×#103	C₂²×C₁₉	1	2	yes	—
146	C₂×#97	C₂²×C₁₉	1	2	yes	—
147	C₂×#97	C₂²×C₁₉	1	2	yes	—
148	C₂×C₄×C₈	C₂²×C₁₉	1	1	yes	characteristic
149	C₂×C₄×C₈	C₂²×C₁₉	1	1	yes	characteristic
150	#391	C₂²×C₁₉	1	4	yes	—
151	#389	C₂²×C₁₉	1	4	yes	—
152	#387	—	2	4	no	—
153	C₄×C₄⋊C₄	—	2	2	no	—
154	C₄×C₄⋊C₄	C₂²×C₁₉	1	2	yes	—
155	#376	—	2	2	no	—
156	C₄³	C₂²×C₁₉	1	1	yes	characteristic
157	#340	C₂²×C₁₉	1	2	yes	—
158	#340	C₂²×C₁₉	1	4	yes	—
159	C₂×C₁₉	#2293	1	1	yes	characteristic
160	C₂×C₁₉	C₂×#441	1	1	yes	characteristic
161	C₂×C₁₉	#2943	1	1	yes	characteristic
162	C₂×C₁₉	#3172	1	4	yes	—
163	C₂²×Q₈	C₂³×C₁₉	1	2	yes	—
164	C₂×Q₁₆	—	2	4	no	—
165	C₂×Q₁₆	C₂×C₄×C₁₉	1	4	yes	—
166	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
167	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
168	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
169	C₄×Q₈	—	2	4	no	—
170	C₄×Q₈	C₂×C₄×C₁₉	1	8	yes	—
171	C₂×C₄⋊C₄	—	2	2	no	—
172	C₂×C₄⋊C₄	—	2	4	no	—
173	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
174	C₂×C₄⋊C₄	C₂³×C₁₉	1	2	yes	—
175	C₂×C₄²	—	2	2	no	—
176	C₂×C₄²	—	2	2	no	—
177	C₂×C₄²	D₄×C₁₉	1	2	yes	—
178	C₂×C₄²	D₄×C₁₉	1	2	yes	—
179	C₂×C₄²	C₂³×C₁₉	1	2	yes	—
180	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
181	#107	C₂×C₄×C₁₉	1	4	yes	—
182	#106	—	2	4	no	—
183	#103	—	2	8	no	—
184	#103	C₂×C₄×C₁₉	1	8	yes	—
185	#97	—	2	4	no	—
186	#97	—	2	4	no	—
187	C₄×C₈	—	2	2	no	—
188	C₄×C₈	C₂×C₄×C₁₉	1	4	yes	—
189	#95	—	2	4	no	—
190	#95	—	2	4	no	—
191	#95	—	2	4	no	—
192	#95	—	2	2	no	—
193	C₁₉	#21278	1	1	yes	characteristic, direct product factor, Sylow
194	C₂×Q₈	—	2	2	no	—
195	C₂×Q₈	—	2	4	no	—
196	C₂×Q₈	—	2	4	no	—
197	C₂×Q₈	C₂²×C₄×C₁₉	1	4	yes	—
198	C₂²×C₄	—	2	2	no	—
199	C₂²×C₄	—	2	2	no	—
200	C₂²×C₄	—	2	4	no	—
201	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
202	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
203	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
204	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
205	Q₁₆	—	2	8	no	—
206	C₂×C₈	—	2	2	no	—
207	C₂×C₈	—	2	2	no	—
208	C₂×C₈	—	2	2	no	—
209	C₂×C₈	C₂²×C₄×C₁₉	1	2	yes	—
210	C₂×C₈	C₂²×C₄×C₁₉	1	2	yes	—
211	C₂×C₈	#41×C₁₉	1	4	yes	—
212	C₂×C₈	#41×C₁₉	1	4	yes	—
213	C₄⋊C₄	—	2	8	no	—
214	C₄⋊C₄	—	2	2	no	—
215	C₄⋊C₄	—	2	4	no	—
216	C₄⋊C₄	—	2	4	no	—
217	C₄⋊C₄	—	4	8	no	—
218	C₄⋊C₄	C₂²×C₄×C₁₉	1	4	yes	—
219	C₄²	—	2	8	no	—
220	C₄²	—	2	4	no	—
221	C₄²	—	2	2	no	—
222	C₄²	—	2	2	no	—
223	C₄²	—	4	2	no	—
224	C₄²	—	4	4	no	—
225	C₄²	C₂²×C₄×C₁₉	1	2	yes	—
226	C₄²	#41×C₁₉	1	2	yes	—
227	C₂³	C₂²×D₄×C₁₉	1	1	yes	characteristic
228	Q₈	—	2	4	no	—
229	Q₈	—	2	4	no	—
230	Q₈	—	4	4	no	—
231	C₂×C₄	—	2	2	no	—
232	C₂×C₄	—	2	4	no	—
233	C₂×C₄	—	2	4	no	—
234	C₂×C₄	—	2	4	no	—
235	C₂×C₄	—	2	4	no	—
236	C₂×C₄	—	2	4	no	—
237	C₂×C₄	—	4	4	no	—
238	C₂×C₄	—	4	4	no	—
239	C₂×C₄	—	4	4	no	—
240	C₂×C₄	—	4	4	no	—
241	C₂×C₄	—	4	4	no	—
242	C₂×C₄	C₄×D₄×C₁₉	1	2	yes	—
243	C₂×C₄	C₄×D₄×C₁₉	1	2	yes	—
244	C₂×C₄	C₁₉×#137	1	4	yes	—
245	C₂×C₄	C₂³×C₄×C₁₉	1	1	yes	characteristic
246	C₂×C₄	C₂×#41×C₁₉	1	2	yes	—
247	C₂×C₄	C₂×#41×C₁₉	1	2	yes	—
248	C₂×C₄	C₂×#41×C₁₉	1	1	yes	characteristic
249	C₈	—	2	2	no	—
250	C₈	—	2	4	no	—
251	C₈	C₁₉×#117	1	4	yes	—
252	C₂²	C₂×C₄×D₄×C₁₉	1	1	yes	characteristic
253	C₂²	C₁₉×#532	1	2	yes	—
254	C₂²	C₂×C₁₉×#137	1	2	yes	—
255	C₂²	C₁₉×#575	1	2	yes	—
256	C₄	—	2	2	no	—
257	C₄	—	4	4	no	—
258	C₄	—	4	4	no	—
259	C₄	—	4	4	no	—
260	C₄	—	8	4	no	—
261	C₄	C₁₉×#441	1	4	yes	—
262	C₄	C₂×C₁₉×#117	1	1	yes	characteristic
263	C₄	C₄×#41×C₁₉	1	1	yes	characteristic
264	C₄	C₁₉×#529	1	2	yes	—
265	C₂	C₁₉×#2293	1	1	yes	characteristic
266	C₂	C₂×C₁₉×#441	1	1	yes	characteristic
267	C₂	C₁₉×#2943	1	1	yes	characteristic
268	C₂	C₁₉×#3172	1	4	yes	—

	subgroup	G/H
center	C₂²×C₄×C₁₉	C₂×D₄
commutator	C₂×C₄	C₂³×C₄×C₁₉
Frattini, cosocle	C₂²×C₄	C₂⁴×C₁₉
socle, prime radical	C₂³×C₁₉	C₂²×D₄
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₄×C₁₉ ◁ C₄³×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
11. C₄×Q₁₆×C₁₉	C₄	semidirect
92. #21278	C₁₉	direct (N × H)
141. C₄×Q₁₆	C₄×C₁₉	semidirect
193. C₁₉	#21278	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×C₄×Q₁₆×C₁₉	2
C₁₉×#2295	2
C₁₉×#1971	2
C₁₉×#1943	2
C₁₉×#1935	2
C₄×C₁₉×#106	2
C₄×C₁₉×#103	2
C₄×C₁₉×#97	2
#21278	19

Subgroups — C19×#21278 #18027237

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#21278 #18027237