Subgroups — C₁₉×#20827 #18026786

Order 4864.

758 conjugacy classes of subgroups.

The subgroup lattice has 208 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₁₉×#2920	C₂	1	2	yes	maximal
2	C₂×C₄×M₁₆×C₁₉	C₂	1	1	yes	maximal, characteristic
3	C₁₉×#1849	C₂	1	2	yes	maximal, complemented
4	C₁₉×#1838	C₂	1	2	yes	maximal, complemented
5	C₁₉×#1811	C₂	1	4	yes	maximal
6	C₄×C₁₉×#108	C₂	1	4	yes	maximal, complemented
7	C₂²×M₁₆×C₁₉	C₂²	1	2	yes	—
8	C₂²×C₄²×C₁₉	C₂²	1	1	yes	characteristic
9	C₁₉×#432	—	2	4	no	—
10	C₁₉×#431	—	2	4	no	—
11	C₂×C₁₉×#108	C₂²	1	8	yes	—
12	C₁₉×#423	C₂²	1	4	yes	—
13	C₁₉×#407	C₂²	1	4	yes	—
14	C₄×M₁₆×C₁₉	C₄	1	8	yes	—
15	C₄×M₁₆×C₁₉	C₂²	1	4	yes	—
16	C₂×C₁₉×#97	C₂²	1	1	yes	characteristic
17	C₂×C₁₉×#97	C₂²	1	1	yes	characteristic
18	C₂×C₄×C₈×C₁₉	C₂²	1	2	yes	—
19	C₁₉×#341	C₂²	1	8	yes	—
20	C₂³×C₄×C₁₉	Q₈	1	2	yes	—
21	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
22	C₂×M₁₆×C₁₉	—	2	8	no	—
23	C₂×M₁₆×C₁₉	C₂×C₄	1	8	yes	—
24	C₂×M₁₆×C₁₉	C₂³	1	8	yes	—
25	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
26	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
27	C₂×C₄²×C₁₉	C₂×C₄	1	4	yes	—
28	C₂×C₄²×C₁₉	D₄	1	2	yes	—
29	C₂×C₄²×C₁₉	D₄	1	2	yes	—
30	C₂×C₄²×C₁₉	Q₈	1	2	yes	—
31	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
32	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
33	C₁₉×#108	—	2	16	no	—
34	C₁₉×C₄⋊C₈	—	2	8	no	—
35	C₁₉×C₂²⋊C₈	—	2	8	no	—
36	C₁₉×#97	—	2	4	no	—
37	C₁₉×#97	C₂×C₄	1	4	yes	—
38	C₁₉×#97	C₂×C₄	1	4	yes	—
39	C₄×C₈×C₁₉	—	2	4	no	—
40	C₄×C₈×C₁₉	C₂×C₄	1	8	yes	—
41	C₂⁴×C₁₉	C₂×Q₈	1	1	yes	characteristic
42	C₂²×C₄×C₁₉	—	2	4	no	—
43	C₂²×C₄×C₁₉	—	4	4	no	—
44	C₂²×C₄×C₁₉	C₄⋊C₄	1	4	yes	—
45	C₂²×C₄×C₁₉	C₄⋊C₄	1	4	yes	—
46	C₂²×C₄×C₁₉	C₂²×C₄	1	2	yes	—
47	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
48	C₂²×C₄×C₁₉	C₂×Q₈	1	1	yes	characteristic
49	C₂²×C₄×C₁₉	C₂×Q₈	1	2	yes	—
50	C₂²×C₄×C₁₉	C₂×Q₈	1	2	yes	—
51	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
52	M₁₆×C₁₉	—	2	16	no	—
53	M₁₆×C₁₉	—	2	16	no	—
54	C₂×C₈×C₁₉	—	2	4	no	—
55	C₂×C₈×C₁₉	—	2	8	no	—
56	C₂×C₈×C₁₉	C₂²×C₄	1	4	yes	—
57	C₂×C₈×C₁₉	C₂²×C₄	1	4	yes	—
58	C₂×C₈×C₁₉	#41	1	8	yes	—
59	C₄²×C₁₉	C₄⋊C₄	1	4	yes	—
60	C₄²×C₁₉	C₄⋊C₄	1	4	yes	—
61	C₄²×C₁₉	C₂²×C₄	1	2	yes	—
62	C₄²×C₁₉	C₂²×C₄	1	2	yes	—
63	C₄²×C₁₉	C₂×D₄	1	1	yes	characteristic
64	C₄²×C₁₉	C₂×D₄	1	2	yes	—
65	C₄²×C₁₉	C₂×D₄	1	1	yes	characteristic
66	#20827	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
67	C₂³×C₁₉	—	2	2	no	—
68	C₂³×C₁₉	—	4	2	no	—
69	C₂³×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
70	C₂³×C₁₉	C₂²×Q₈	1	1	yes	characteristic
71	C₂×C₄×C₁₉	—	2	2	no	—
72	C₂×C₄×C₁₉	—	2	4	no	—
73	C₂×C₄×C₁₉	—	2	4	no	—
74	C₂×C₄×C₁₉	—	2	8	no	—
75	C₂×C₄×C₁₉	—	2	4	no	—
76	C₂×C₄×C₁₉	—	4	4	no	—
77	C₂×C₄×C₁₉	—	4	2	no	—
78	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
79	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
80	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	4	yes	—
81	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
82	C₂×C₄×C₁₉	C₂³×C₄	1	1	yes	characteristic
83	C₂×C₄×C₁₉	C₂²×D₄	1	1	yes	characteristic
84	C₂×C₄×C₁₉	C₂×#41	1	4	yes	—
85	C₈×C₁₉	—	2	4	no	—
86	C₈×C₁₉	—	4	8	no	—
87	C₈×C₁₉	#117	1	8	yes	—
88	#2920	C₂×C₁₉	1	2	yes	—
89	C₂×C₄×M₁₆	C₂×C₁₉	1	1	yes	characteristic
90	#1849	C₂×C₁₉	1	2	yes	complemented
91	#1838	C₂×C₁₉	1	2	yes	complemented
92	#1811	C₂×C₁₉	1	4	yes	—
93	C₄×#108	C₂×C₁₉	1	4	yes	complemented
94	C₂²×C₁₉	—	2	2	no	—
95	C₂²×C₁₉	—	2	4	no	—
96	C₂²×C₁₉	—	2	2	no	—
97	C₂²×C₁₉	—	4	4	no	—
98	C₂²×C₁₉	C₂²×C₄⋊C₄	1	1	yes	characteristic
99	C₂²×C₁₉	#533	1	2	yes	—
100	C₄×C₁₉	—	2	4	no	—
101	C₄×C₁₉	—	2	2	no	—
102	C₄×C₁₉	—	2	2	no	—
103	C₄×C₁₉	#430	1	4	yes	—
104	C₄×C₁₉	C₂×#117	1	2	yes	—
105	C₄×C₁₉	#532	1	2	yes	—
106	C₂²×M₁₆	C₂²×C₁₉	1	2	yes	—
107	C₂²×C₄²	C₂²×C₁₉	1	1	yes	characteristic
108	#432	—	2	4	no	—
109	#431	—	2	4	no	—
110	C₂×#108	C₂²×C₁₉	1	8	yes	—
111	#423	C₂²×C₁₉	1	4	yes	—
112	#407	C₂²×C₁₉	1	4	yes	—
113	C₄×M₁₆	C₄×C₁₉	1	8	yes	—
114	C₄×M₁₆	C₂²×C₁₉	1	4	yes	—
115	C₂×#97	C₂²×C₁₉	1	1	yes	characteristic
116	C₂×#97	C₂²×C₁₉	1	1	yes	characteristic
117	C₂×C₄×C₈	C₂²×C₁₉	1	2	yes	—
118	#341	C₂²×C₁₉	1	8	yes	—
119	C₂×C₁₉	—	2	2	no	—
120	C₂×C₁₉	—	4	2	no	—
121	C₂×C₁₉	#2285	1	1	yes	characteristic
122	C₂×C₁₉	C₂×#430	1	2	yes	—
123	C₂³×C₄	Q₈×C₁₉	1	2	yes	—
124	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
125	C₂×M₁₆	—	2	8	no	—
126	C₂×M₁₆	C₂×C₄×C₁₉	1	8	yes	—
127	C₂×M₁₆	C₂³×C₁₉	1	8	yes	—
128	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
129	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
130	C₂×C₄²	C₂×C₄×C₁₉	1	4	yes	—
131	C₂×C₄²	D₄×C₁₉	1	2	yes	—
132	C₂×C₄²	D₄×C₁₉	1	2	yes	—
133	C₂×C₄²	Q₈×C₁₉	1	2	yes	—
134	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
135	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
136	#108	—	2	16	no	—
137	C₄⋊C₈	—	2	8	no	—
138	C₂²⋊C₈	—	2	8	no	—
139	#97	—	2	4	no	—
140	#97	C₂×C₄×C₁₉	1	4	yes	—
141	#97	C₂×C₄×C₁₉	1	4	yes	—
142	C₄×C₈	—	2	4	no	—
143	C₄×C₈	C₂×C₄×C₁₉	1	8	yes	—
144	C₁₉	#20827	1	1	yes	characteristic, direct product factor, Sylow
145	C₂⁴	C₂×Q₈×C₁₉	1	1	yes	characteristic
146	C₂²×C₄	—	2	4	no	—
147	C₂²×C₄	—	4	4	no	—
148	C₂²×C₄	C₄⋊C₄×C₁₉	1	4	yes	—
149	C₂²×C₄	C₄⋊C₄×C₁₉	1	4	yes	—
150	C₂²×C₄	C₂²×C₄×C₁₉	1	2	yes	—
151	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
152	C₂²×C₄	C₂×Q₈×C₁₉	1	1	yes	characteristic
153	C₂²×C₄	C₂×Q₈×C₁₉	1	2	yes	—
154	C₂²×C₄	C₂×Q₈×C₁₉	1	2	yes	—
155	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
156	M₁₆	—	2	16	no	—
157	M₁₆	—	2	16	no	—
158	C₂×C₈	—	2	4	no	—
159	C₂×C₈	—	2	8	no	—
160	C₂×C₈	C₂²×C₄×C₁₉	1	4	yes	—
161	C₂×C₈	C₂²×C₄×C₁₉	1	4	yes	—
162	C₂×C₈	#41×C₁₉	1	8	yes	—
163	C₄²	C₄⋊C₄×C₁₉	1	4	yes	—
164	C₄²	C₄⋊C₄×C₁₉	1	4	yes	—
165	C₄²	C₂²×C₄×C₁₉	1	2	yes	—
166	C₄²	C₂²×C₄×C₁₉	1	2	yes	—
167	C₄²	C₂×D₄×C₁₉	1	1	yes	characteristic
168	C₄²	C₂×D₄×C₁₉	1	2	yes	—
169	C₄²	C₂×D₄×C₁₉	1	1	yes	characteristic
170	C₂³	—	2	2	no	—
171	C₂³	—	4	2	no	—
172	C₂³	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
173	C₂³	C₂²×Q₈×C₁₉	1	1	yes	characteristic
174	C₂×C₄	—	2	2	no	—
175	C₂×C₄	—	2	8	no	—
176	C₂×C₄	—	2	4	no	—
177	C₂×C₄	—	2	4	no	—
178	C₂×C₄	—	2	4	no	—
179	C₂×C₄	—	4	4	no	—
180	C₂×C₄	—	4	2	no	—
181	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
182	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
183	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	4	yes	—
184	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
185	C₂×C₄	C₂³×C₄×C₁₉	1	1	yes	characteristic
186	C₂×C₄	C₂²×D₄×C₁₉	1	1	yes	characteristic
187	C₂×C₄	C₂×#41×C₁₉	1	4	yes	—
188	C₈	—	2	4	no	—
189	C₈	—	4	8	no	—
190	C₈	C₁₉×#117	1	8	yes	—
191	C₂²	—	2	2	no	—
192	C₂²	—	2	4	no	—
193	C₂²	—	2	2	no	—
194	C₂²	—	4	4	no	—
195	C₂²	C₂²×C₄⋊C₄×C₁₉	1	1	yes	characteristic
196	C₂²	C₁₉×#533	1	2	yes	—
197	C₄	—	2	4	no	—
198	C₄	—	2	2	no	—
199	C₄	—	2	2	no	—
200	C₄	C₁₉×#430	1	4	yes	—
201	C₄	C₂×C₁₉×#117	1	2	yes	—
202	C₄	C₁₉×#532	1	2	yes	—
203	C₂	—	2	2	no	—
204	C₂	—	4	2	no	—
205	C₂	C₁₉×#2285	1	1	yes	characteristic
206	C₂	C₂×C₁₉×#430	1	2	yes	—

	subgroup	G/H
center	C₄²×C₁₉	C₂×D₄
commutator	C₂×C₄	C₂³×C₄×C₁₉
Frattini, cosocle	C₂²×C₄	C₂⁴×C₁₉
socle	C₂²×C₁₉	C₂²×C₄⋊C₄
prime radical	C₂⁴×C₁₉	C₂×Q₈
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₄²×C₁₉ ◁ C₂²×C₄²×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
3. C₁₉×#1849	C₂	semidirect
4. C₁₉×#1838	C₂	semidirect
6. C₄×C₁₉×#108	C₂	semidirect
66. #20827	C₁₉	direct (N × H)
90. #1849	C₂×C₁₉	semidirect
91. #1838	C₂×C₁₉	semidirect
93. C₄×#108	C₂×C₁₉	semidirect
144. C₁₉	#20827	direct (N × H)

Maximal subgroups

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

subgroup	index
C₁₉×#2920	2
C₂×C₄×M₁₆×C₁₉	2
C₁₉×#1849	2
C₁₉×#1838	2
C₁₉×#1811	2
C₄×C₁₉×#108	2
#20827	19

Subgroups — C19×#20827 #18026786

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#20827 #18026786