Subgroups — C₁₉×#21797 #18027756

Order 4864.

1946 conjugacy classes of subgroups.

The subgroup lattice has 254 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₁₉×#127	C₂	1	1	yes	maximal, characteristic
2	C₁₉×#2920	C₂	1	2	yes	maximal, complemented
3	C₁₉×#1965	C₂	1	8	yes	maximal, complemented
4	C₁₉×#1783	C₂	1	4	yes	maximal, complemented
5	C₂³×D₄×C₁₉	C₄	1	4	yes	—
6	C₂³×D₄×C₁₉	C₂²	1	2	yes	—
7	C₂×C₁₉×#127	—	2	4	no	—
8	C₂×C₁₉×#127	—	2	4	no	—
9	C₂×C₁₉×#127	C₄	1	4	yes	—
10	C₂×C₁₉×#127	C₂²	1	4	yes	—
11	C₂²×C₄²×C₁₉	C₂²	1	1	yes	characteristic
12	C₁₉×#432	—	2	4	no	—
13	C₁₉×#431	—	2	4	no	—
14	C₁₉×#423	C₂²	1	4	yes	complemented
15	C₂×C₁₉×#100	C₂²	1	16	yes	complemented
16	C₁₉×#407	C₂²	1	4	yes	—
17	C₄×M₁₆×C₁₉	C₂²	1	4	yes	complemented
18	C₂⁵×C₁₉	C₂×C₄	1	4	yes	—
19	C₂²×D₄×C₁₉	—	2	4	no	—
20	C₂²×D₄×C₁₉	—	2	8	no	—
21	C₂²×D₄×C₁₉	—	2	4	no	—
22	C₂²×D₄×C₁₉	—	2	8	no	—
23	C₂²×D₄×C₁₉	—	4	8	no	—
24	C₂²×D₄×C₁₉	—	4	16	no	—
25	C₂²×D₄×C₁₉	C₂×C₄	1	4	yes	—
26	C₂²×D₄×C₁₉	C₂×C₄	1	16	yes	—
27	C₂²×D₄×C₁₉	C₂³	1	4	yes	—
28	C₂³×C₄×C₁₉	C₂×C₄	1	2	yes	—
29	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
30	C₂×M₁₆×C₁₉	C₂³	1	8	yes	—
31	C₁₉×#127	—	2	4	no	—
32	C₁₉×#127	—	2	8	no	—
33	C₁₉×#127	—	2	4	no	—
34	C₁₉×#127	—	2	4	no	—
35	C₁₉×#127	—	2	4	no	—
36	C₁₉×#127	—	2	8	no	—
37	C₂×C₄²×C₁₉	C₂×C₄	1	2	yes	—
38	C₂×C₄²×C₁₉	D₄	1	4	yes	—
39	C₂×C₄²×C₁₉	D₄	1	4	yes	—
40	C₂×C₄²×C₁₉	C₂³	1	2	yes	—
41	C₁₉×C₄⋊C₈	—	2	8	no	—
42	C₁₉×#100	—	4	16	no	—
43	C₁₉×C₂²⋊C₈	—	2	8	no	—
44	C₁₉×#97	—	2	4	no	—
45	C₄×C₈×C₁₉	—	2	4	no	—
46	C₂⁴×C₁₉	—	2	8	no	—
47	C₂⁴×C₁₉	—	4	8	no	—
48	C₂⁴×C₁₉	—	4	16	no	—
49	C₂⁴×C₁₉	C₂²×C₄	1	1	yes	characteristic
50	C₂⁴×C₁₉	C₂²×C₄	1	8	yes	—
51	C₂×D₄×C₁₉	—	2	8	no	—
52	C₂×D₄×C₁₉	—	2	16	no	—
53	C₂×D₄×C₁₉	—	2	16	no	—
54	C₂×D₄×C₁₉	—	2	8	no	—
55	C₂×D₄×C₁₉	—	2	16	no	—
56	C₂×D₄×C₁₉	—	4	8	no	—
57	C₂×D₄×C₁₉	—	4	16	no	—
58	C₂×D₄×C₁₉	—	4	32	no	—
59	C₂×D₄×C₁₉	—	4	32	no	—
60	C₂×D₄×C₁₉	—	4	32	no	—
61	C₂×D₄×C₁₉	—	4	16	no	—
62	C₂²×C₄×C₁₉	—	2	8	no	—
63	C₂²×C₄×C₁₉	—	2	4	no	—
64	C₂²×C₄×C₁₉	C₂²⋊C₄	1	2	yes	—
65	C₂²×C₄×C₁₉	C₂²⋊C₄	1	4	yes	—
66	C₂²×C₄×C₁₉	C₂²⋊C₄	1	2	yes	—
67	C₂²×C₄×C₁₉	C₂²×C₄	1	1	yes	characteristic
68	C₂²×C₄×C₁₉	C₂²×C₄	1	4	yes	—
69	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
70	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
71	M₁₆×C₁₉	—	2	16	no	—
72	C₂×C₈×C₁₉	—	2	8	no	—
73	C₄²×C₁₉	C₂²⋊C₄	1	2	yes	—
74	C₄²×C₁₉	C₂²⋊C₄	1	4	yes	—
75	C₄²×C₁₉	C₂²⋊C₄	1	2	yes	—
76	C₄²×C₁₉	C₂×D₄	1	2	yes	—
77	C₄²×C₁₉	C₂×D₄	1	2	yes	—
78	C₄²×C₁₉	C₂×D₄	1	4	yes	—
79	#21797	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
80	C₂³×C₁₉	—	2	2	no	—
81	C₂³×C₁₉	—	2	4	no	—
82	C₂³×C₁₉	—	2	8	no	—
83	C₂³×C₁₉	—	2	16	no	—
84	C₂³×C₁₉	—	4	16	no	—
85	C₂³×C₁₉	—	4	16	no	—
86	C₂³×C₁₉	—	4	16	no	—
87	C₂³×C₁₉	—	4	16	no	—
88	C₂³×C₁₉	—	8	32	no	—
89	C₂³×C₁₉	C₂×C₂²⋊C₄	1	2	yes	—
90	C₂³×C₁₉	C₂³×C₄	1	1	yes	characteristic
91	D₄×C₁₉	—	4	16	no	—
92	D₄×C₁₉	—	4	32	no	—
93	D₄×C₁₉	—	4	16	no	—
94	D₄×C₁₉	—	4	32	no	—
95	C₂×C₄×C₁₉	—	2	2	no	—
96	C₂×C₄×C₁₉	—	2	4	no	—
97	C₂×C₄×C₁₉	—	2	8	no	—
98	C₂×C₄×C₁₉	—	2	8	no	—
99	C₂×C₄×C₁₉	—	2	8	no	—
100	C₂×C₄×C₁₉	#100	1	8	yes	complemented
101	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	2	yes	—
102	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	4	yes	—
103	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	4	yes	—
104	C₂×C₄×C₁₉	C₂²×D₄	1	2	yes	—
105	C₂×C₄×C₁₉	H(5,𝔽₂)	1	4	yes	—
106	C₈×C₁₉	—	4	8	no	—
107	C₂²×#127	C₂×C₁₉	1	1	yes	characteristic
108	#2920	C₂×C₁₉	1	2	yes	complemented
109	#1965	C₂×C₁₉	1	8	yes	complemented
110	#1783	C₂×C₁₉	1	4	yes	complemented
111	C₂²×C₁₉	—	2	8	no	—
112	C₂²×C₁₉	—	2	2	no	—
113	C₂²×C₁₉	—	2	2	no	—
114	C₂²×C₁₉	—	2	2	no	—
115	C₂²×C₁₉	—	4	8	no	—
116	C₂²×C₁₉	—	4	16	no	—
117	C₂²×C₁₉	—	8	16	no	—
118	C₂²×C₁₉	—	8	32	no	—
119	C₂²×C₁₉	C₂×#100	1	4	yes	—
120	C₂²×C₁₉	C₂²×C₂²⋊C₄	1	1	yes	characteristic
121	C₂²×C₁₉	#518	1	2	yes	—
122	C₄×C₁₉	—	2	2	no	—
123	C₄×C₁₉	—	2	4	no	—
124	C₄×C₁₉	C₂×#100	1	8	yes	—
125	C₄×C₁₉	#535	1	4	yes	—
126	C₂³×D₄	C₄×C₁₉	1	4	yes	—
127	C₂³×D₄	C₂²×C₁₉	1	2	yes	—
128	C₂×#127	—	2	4	no	—
129	C₂×#127	—	2	4	no	—
130	C₂×#127	C₄×C₁₉	1	4	yes	—
131	C₂×#127	C₂²×C₁₉	1	4	yes	—
132	C₂²×C₄²	C₂²×C₁₉	1	1	yes	characteristic
133	#432	—	2	4	no	—
134	#431	—	2	4	no	—
135	#423	C₂²×C₁₉	1	4	yes	complemented
136	C₂×#100	C₂²×C₁₉	1	16	yes	complemented
137	#407	C₂²×C₁₉	1	4	yes	—
138	C₄×M₁₆	C₂²×C₁₉	1	4	yes	complemented
139	C₂×C₁₉	—	2	2	no	—
140	C₂×C₁₉	—	2	4	no	—
141	C₂×C₁₉	—	8	8	no	—
142	C₂×C₁₉	#2309	1	1	yes	characteristic
143	C₂×C₁₉	C₂²×#100	1	2	yes	—
144	C₂⁵	C₂×C₄×C₁₉	1	4	yes	—
145	C₂²×D₄	—	2	4	no	—
146	C₂²×D₄	—	2	8	no	—
147	C₂²×D₄	—	2	4	no	—
148	C₂²×D₄	—	2	8	no	—
149	C₂²×D₄	—	4	8	no	—
150	C₂²×D₄	—	4	16	no	—
151	C₂²×D₄	C₂×C₄×C₁₉	1	4	yes	—
152	C₂²×D₄	C₂×C₄×C₁₉	1	16	yes	—
153	C₂²×D₄	C₂³×C₁₉	1	4	yes	—
154	C₂³×C₄	C₂×C₄×C₁₉	1	2	yes	—
155	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
156	C₂×M₁₆	C₂³×C₁₉	1	8	yes	—
157	#127	—	2	4	no	—
158	#127	—	2	8	no	—
159	#127	—	2	4	no	—
160	#127	—	2	4	no	—
161	#127	—	2	4	no	—
162	#127	—	2	8	no	—
163	C₂×C₄²	C₂×C₄×C₁₉	1	2	yes	—
164	C₂×C₄²	D₄×C₁₉	1	4	yes	—
165	C₂×C₄²	D₄×C₁₉	1	4	yes	—
166	C₂×C₄²	C₂³×C₁₉	1	2	yes	—
167	C₄⋊C₈	—	2	8	no	—
168	#100	—	4	16	no	—
169	C₂²⋊C₈	—	2	8	no	—
170	#97	—	2	4	no	—
171	C₄×C₈	—	2	4	no	—
172	C₁₉	#21797	1	1	yes	characteristic, direct product factor, Sylow
173	C₂⁴	—	2	8	no	—
174	C₂⁴	—	4	8	no	—
175	C₂⁴	—	4	16	no	—
176	C₂⁴	C₂²×C₄×C₁₉	1	1	yes	characteristic
177	C₂⁴	C₂²×C₄×C₁₉	1	8	yes	—
178	C₂×D₄	—	2	8	no	—
179	C₂×D₄	—	2	16	no	—
180	C₂×D₄	—	2	16	no	—
181	C₂×D₄	—	2	8	no	—
182	C₂×D₄	—	2	16	no	—
183	C₂×D₄	—	4	8	no	—
184	C₂×D₄	—	4	16	no	—
185	C₂×D₄	—	4	32	no	—
186	C₂×D₄	—	4	32	no	—
187	C₂×D₄	—	4	32	no	—
188	C₂×D₄	—	4	16	no	—
189	C₂²×C₄	—	2	4	no	—
190	C₂²×C₄	—	2	8	no	—
191	C₂²×C₄	C₂²⋊C₄×C₁₉	1	2	yes	—
192	C₂²×C₄	C₂²⋊C₄×C₁₉	1	4	yes	—
193	C₂²×C₄	C₂²⋊C₄×C₁₉	1	2	yes	—
194	C₂²×C₄	C₂²×C₄×C₁₉	1	1	yes	characteristic
195	C₂²×C₄	C₂²×C₄×C₁₉	1	4	yes	—
196	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
197	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
198	M₁₆	—	2	16	no	—
199	C₂×C₈	—	2	8	no	—
200	C₄²	C₂²⋊C₄×C₁₉	1	2	yes	—
201	C₄²	C₂²⋊C₄×C₁₉	1	4	yes	—
202	C₄²	C₂²⋊C₄×C₁₉	1	2	yes	—
203	C₄²	C₂×D₄×C₁₉	1	2	yes	—
204	C₄²	C₂×D₄×C₁₉	1	2	yes	—
205	C₄²	C₂×D₄×C₁₉	1	4	yes	—
206	C₂³	—	2	4	no	—
207	C₂³	—	2	2	no	—
208	C₂³	—	2	8	no	—
209	C₂³	—	2	16	no	—
210	C₂³	—	4	16	no	—
211	C₂³	—	4	16	no	—
212	C₂³	—	4	16	no	—
213	C₂³	—	4	16	no	—
214	C₂³	—	8	32	no	—
215	C₂³	C₂×C₂²⋊C₄×C₁₉	1	2	yes	—
216	C₂³	C₂³×C₄×C₁₉	1	1	yes	characteristic
217	D₄	—	4	16	no	—
218	D₄	—	4	32	no	—
219	D₄	—	4	32	no	—
220	D₄	—	4	16	no	—
221	C₂×C₄	—	2	4	no	—
222	C₂×C₄	—	2	2	no	—
223	C₂×C₄	—	2	8	no	—
224	C₂×C₄	—	2	8	no	—
225	C₂×C₄	—	2	8	no	—
226	C₂×C₄	C₁₉×#100	1	8	yes	complemented
227	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	2	yes	—
228	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	4	yes	—
229	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	4	yes	—
230	C₂×C₄	C₂²×D₄×C₁₉	1	2	yes	—
231	C₂×C₄	C₁₉×H(5,𝔽₂)	1	4	yes	—
232	C₈	—	4	8	no	—
233	C₂²	—	2	8	no	—
234	C₂²	—	2	2	no	—
235	C₂²	—	2	2	no	—
236	C₂²	—	2	2	no	—
237	C₂²	—	4	8	no	—
238	C₂²	—	4	16	no	—
239	C₂²	—	8	16	no	—
240	C₂²	—	8	32	no	—
241	C₂²	C₂×C₁₉×#100	1	4	yes	—
242	C₂²	C₂²×C₂²⋊C₄×C₁₉	1	1	yes	characteristic
243	C₂²	C₁₉×#518	1	2	yes	—
244	C₄	—	2	2	no	—
245	C₄	—	2	4	no	—
246	C₄	C₂×C₁₉×#100	1	8	yes	—
247	C₄	C₁₉×#535	1	4	yes	—
248	C₂	—	2	4	no	—
249	C₂	—	2	2	no	—
250	C₂	—	8	8	no	—
251	C₂	C₁₉×#2309	1	1	yes	characteristic
252	C₂	C₂²×C₁₉×#100	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	C₂²×C₁₉×#127	C₂
LCS	G ▷ C₂³ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₁₉ ◁ C₂²×C₄²×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
2. C₁₉×#2920	C₂	semidirect
3. C₁₉×#1965	C₂	semidirect
4. C₁₉×#1783	C₂	semidirect
14. C₁₉×#423	C₂²	semidirect
15. C₂×C₁₉×#100	C₂²	semidirect
17. C₄×M₁₆×C₁₉	C₂²	semidirect
79. #21797	C₁₉	direct (N × H)
100. C₂×C₄×C₁₉	#100	semidirect
108. #2920	C₂×C₁₉	semidirect
109. #1965	C₂×C₁₉	semidirect
110. #1783	C₂×C₁₉	semidirect
135. #423	C₂²×C₁₉	semidirect
136. C₂×#100	C₂²×C₁₉	semidirect
138. C₄×M₁₆	C₂²×C₁₉	semidirect
172. C₁₉	#21797	direct (N × H)
226. C₂×C₄	C₁₉×#100	semidirect

Maximal subgroups

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

subgroup	index
C₂²×C₁₉×#127	2
C₁₉×#2920	2
C₁₉×#1965	2
C₁₉×#1783	2
#21797	19

Subgroups — C19×#21797 #18027756

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#21797 #18027756