Subgroups — C₂×C₁₉×#2026 #18029409

Order 4864.

1302 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×#125	C₂	1	1	yes	maximal, characteristic
2	C₂²×C₁₉×#103	C₂	1	2	yes	maximal
3	C₂×C₁₉×#391	C₂	1	1	yes	maximal, characteristic
4	C₁₉×#2026	C₂	1	8	yes	maximal, direct product factor
5	C₂×C₁₉×#340	C₂	1	2	yes	maximal
6	C₂×C₁₉×#336	C₂	1	1	yes	maximal, characteristic
7	C₂³×Q₈×C₁₉	C₂²	1	1	yes	characteristic
8	C₂³×C₈×C₁₉	C₂²	1	2	yes	—
9	C₂×C₁₉×#125	—	2	8	no	—
10	C₂×C₁₉×#125	—	2	2	no	—
11	C₂×C₁₉×#125	C₂²	1	4	yes	—
12	C₂²×C₄⋊C₄×C₁₉	—	2	2	no	—
13	C₂²×C₄⋊C₄×C₁₉	C₂²	1	1	yes	characteristic
14	C₂²×C₄⋊C₄×C₁₉	C₂²	1	2	yes	—
15	C₂²×C₄²×C₁₉	C₂²	1	1	yes	characteristic
16	C₂×C₁₉×#103	—	2	8	no	—
17	C₂×C₁₉×#103	C₂²	1	8	yes	—
18	C₁₉×#391	—	2	2	no	—
19	C₁₉×#391	C₂²	1	4	yes	—
20	C₂×C₁₉×#95	—	2	2	no	—
21	C₁₉×#340	C₂²	1	8	yes	—
22	C₁₉×#336	C₂²	1	4	yes	—
23	C₂²×Q₈×C₁₉	—	2	1	no	—
24	C₂²×Q₈×C₁₉	—	2	2	no	—
25	C₂²×Q₈×C₁₉	—	2	4	no	—
26	C₂²×Q₈×C₁₉	—	2	4	no	—
27	C₂²×Q₈×C₁₉	Q₈	1	4	yes	—
28	C₂²×Q₈×C₁₉	C₂³	1	2	yes	—
29	C₂³×C₄×C₁₉	—	2	1	no	—
30	C₂³×C₄×C₁₉	—	2	2	no	—
31	C₂³×C₄×C₁₉	—	2	1	no	—
32	C₂³×C₄×C₁₉	D₄	1	2	yes	—
33	C₂³×C₄×C₁₉	C₂³	1	1	yes	characteristic
34	C₂²×C₈×C₁₉	—	2	4	no	—
35	C₂²×C₈×C₁₉	—	2	4	no	—
36	C₂²×C₈×C₁₉	—	2	4	no	—
37	C₂²×C₈×C₁₉	C₂³	1	4	yes	—
38	C₁₉×#125	—	2	16	no	—
39	C₁₉×#125	—	2	16	no	—
40	C₂×C₄⋊C₄×C₁₉	—	2	16	no	—
41	C₂×C₄⋊C₄×C₁₉	—	2	8	no	—
42	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
43	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
44	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
45	C₂×C₄⋊C₄×C₁₉	—	2	1	no	—
46	C₂×C₄⋊C₄×C₁₉	D₄	1	8	yes	—
47	C₂×C₄⋊C₄×C₁₉	C₂³	1	2	yes	—
48	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
49	C₂×C₄²×C₁₉	—	2	4	no	—
50	C₂×C₄²×C₁₉	D₄	1	2	yes	—
51	C₂×C₄²×C₁₉	C₂³	1	2	yes	—
52	C₁₉×#103	—	2	16	no	—
53	C₁₉×#95	—	2	8	no	—
54	C₂⁴×C₁₉	C₂×D₄	1	1	yes	characteristic
55	C₂×Q₈×C₁₉	—	2	4	no	—
56	C₂×Q₈×C₁₉	—	2	2	no	—
57	C₂×Q₈×C₁₉	—	2	16	no	—
58	C₂×Q₈×C₁₉	—	2	4	no	—
59	C₂×Q₈×C₁₉	—	2	4	no	—
60	C₂×Q₈×C₁₉	—	4	2	no	—
61	C₂×Q₈×C₁₉	—	4	2	no	—
62	C₂×Q₈×C₁₉	—	4	8	no	—
63	C₂×Q₈×C₁₉	C₂×Q₈	1	4	yes	—
64	C₂²×C₄×C₁₉	—	2	4	no	—
65	C₂²×C₄×C₁₉	—	2	8	no	—
66	C₂²×C₄×C₁₉	—	2	4	no	—
67	C₂²×C₄×C₁₉	—	2	4	no	—
68	C₂²×C₄×C₁₉	—	2	4	no	—
69	C₂²×C₄×C₁₉	—	2	4	no	—
70	C₂²×C₄×C₁₉	—	2	2	no	—
71	C₂²×C₄×C₁₉	—	2	2	no	—
72	C₂²×C₄×C₁₉	—	4	2	no	—
73	C₂²×C₄×C₁₉	—	4	2	no	—
74	C₂²×C₄×C₁₉	—	4	4	no	—
75	C₂²×C₄×C₁₉	—	4	4	no	—
76	C₂²×C₄×C₁₉	—	4	2	no	—
77	C₂²×C₄×C₁₉	—	4	4	no	—
78	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
79	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
80	C₂²×C₄×C₁₉	C₂×D₄	1	4	yes	—
81	C₂²×C₄×C₁₉	C₂×Q₈	1	2	yes	—
82	C₂²×C₄×C₁₉	#41	1	4	yes	—
83	C₂²×C₄×C₁₉	#41	1	2	yes	—
84	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
85	C₂×C₈×C₁₉	—	2	4	no	—
86	C₂×C₈×C₁₉	—	2	4	no	—
87	C₂×C₈×C₁₉	—	2	4	no	—
88	C₂×C₈×C₁₉	—	4	8	no	—
89	C₄⋊C₄×C₁₉	—	2	32	no	—
90	C₄⋊C₄×C₁₉	—	2	8	no	—
91	C₄⋊C₄×C₁₉	—	2	4	no	—
92	C₄⋊C₄×C₁₉	—	2	4	no	—
93	C₄⋊C₄×C₁₉	—	4	2	no	—
94	C₄⋊C₄×C₁₉	C₂×D₄	1	8	yes	—
95	C₄²×C₁₉	—	2	4	no	—
96	C₄²×C₁₉	—	2	4	no	—
97	C₂×#2026	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
98	C₂³×C₁₉	#120	1	2	yes	—
99	C₂³×C₁₉	C₂²⋊Q₈	1	2	yes	—
100	C₂³×C₁₉	#124	1	2	yes	—
101	C₂³×C₁₉	#135	1	4	yes	—
102	C₂³×C₁₉	#137	1	4	yes	—
103	C₂³×C₁₉	C₂²×D₄	1	1	yes	characteristic
104	Q₈×C₁₉	—	2	8	no	—
105	Q₈×C₁₉	—	4	4	no	—
106	Q₈×C₁₉	—	4	8	no	—
107	C₂×C₄×C₁₉	—	2	4	no	—
108	C₂×C₄×C₁₉	—	2	8	no	—
109	C₂×C₄×C₁₉	—	2	4	no	—
110	C₂×C₄×C₁₉	—	2	4	no	—
111	C₂×C₄×C₁₉	—	2	4	no	—
112	C₂×C₄×C₁₉	—	4	2	no	—
113	C₂×C₄×C₁₉	—	4	2	no	—
114	C₂×C₄×C₁₉	—	4	4	no	—
115	C₂×C₄×C₁₉	—	4	4	no	—
116	C₂×C₄×C₁₉	—	4	8	no	—
117	C₂×C₄×C₁₉	—	4	8	no	—
118	C₂×C₄×C₁₉	—	4	16	no	—
119	C₂×C₄×C₁₉	—	4	2	no	—
120	C₂×C₄×C₁₉	—	4	4	no	—
121	C₂×C₄×C₁₉	—	8	4	no	—
122	C₂×C₄×C₁₉	#120	1	2	yes	—
123	C₂×C₄×C₁₉	C₂²⋊Q₈	1	8	yes	—
124	C₂×C₄×C₁₉	C₂²⋊Q₈	1	2	yes	—
125	C₂×C₄×C₁₉	#124	1	8	yes	—
126	C₂×C₄×C₁₉	#124	1	2	yes	—
127	C₂×C₄×C₁₉	C₂²×D₄	1	2	yes	—
128	C₂×C₄×C₁₉	C₂²×Q₈	1	1	yes	characteristic
129	C₂×C₄×C₁₉	C₂×#41	1	2	yes	—
130	C₂×C₄×C₁₉	C₂×#41	1	1	yes	characteristic
131	C₈×C₁₉	—	4	4	no	—
132	C₂²×#125	C₂×C₁₉	1	1	yes	characteristic
133	C₂²×#103	C₂×C₁₉	1	2	yes	—
134	C₂×#391	C₂×C₁₉	1	1	yes	characteristic
135	#2026	C₂×C₁₉	1	8	yes	direct product factor
136	C₂×#340	C₂×C₁₉	1	2	yes	—
137	C₂×#336	C₂×C₁₉	1	1	yes	characteristic
138	C₂²×C₁₉	#393	1	4	yes	—
139	C₂²×C₁₉	#452	1	8	yes	—
140	C₂²×C₁₉	#479	1	8	yes	—
141	C₂²×C₁₉	#488	1	4	yes	—
142	C₂²×C₁₉	#491	1	4	yes	—
143	C₂²×C₁₉	C₂×#120	1	1	yes	characteristic
144	C₂²×C₁₉	C₂×C₂²⋊Q₈	1	1	yes	characteristic
145	C₂²×C₁₉	C₂×#124	1	1	yes	characteristic
146	C₂²×C₁₉	C₂×#135	1	2	yes	—
147	C₂²×C₁₉	C₂×#137	1	2	yes	—
148	C₄×C₁₉	—	4	4	no	—
149	C₄×C₁₉	—	4	4	no	—
150	C₄×C₁₉	—	4	8	no	—
151	C₄×C₁₉	—	8	2	no	—
152	C₄×C₁₉	#393	1	4	yes	—
153	C₄×C₁₉	C₂×C₂²⋊Q₈	1	2	yes	—
154	C₄×C₁₉	C₂×#124	1	2	yes	—
155	C₂³×Q₈	C₂²×C₁₉	1	1	yes	characteristic
156	C₂³×C₈	C₂²×C₁₉	1	2	yes	—
157	C₂×#125	—	2	8	no	—
158	C₂×#125	—	2	2	no	—
159	C₂×#125	C₂²×C₁₉	1	4	yes	—
160	C₂²×C₄⋊C₄	—	2	2	no	—
161	C₂²×C₄⋊C₄	C₂²×C₁₉	1	1	yes	characteristic
162	C₂²×C₄⋊C₄	C₂²×C₁₉	1	2	yes	—
163	C₂²×C₄²	C₂²×C₁₉	1	1	yes	characteristic
164	C₂×#103	—	2	8	no	—
165	C₂×#103	C₂²×C₁₉	1	8	yes	—
166	#391	—	2	2	no	—
167	#391	C₂²×C₁₉	1	4	yes	—
168	C₂×#95	—	2	2	no	—
169	#340	C₂²×C₁₉	1	8	yes	—
170	#336	C₂²×C₁₉	1	4	yes	—
171	C₂×C₁₉	#2026	1	8	yes	direct product factor
172	C₂×C₁₉	C₂×#393	1	1	yes	characteristic
173	C₂×C₁₉	C₂×#452	1	2	yes	—
174	C₂×C₁₉	C₂×#479	1	2	yes	—
175	C₂×C₁₉	C₂×#488	1	1	yes	characteristic
176	C₂×C₁₉	C₂×#491	1	1	yes	characteristic
177	C₂²×Q₈	—	2	1	no	—
178	C₂²×Q₈	—	2	2	no	—
179	C₂²×Q₈	—	2	4	no	—
180	C₂²×Q₈	—	2	4	no	—
181	C₂²×Q₈	Q₈×C₁₉	1	4	yes	—
182	C₂²×Q₈	C₂³×C₁₉	1	2	yes	—
183	C₂³×C₄	—	2	2	no	—
184	C₂³×C₄	—	2	1	no	—
185	C₂³×C₄	—	2	1	no	—
186	C₂³×C₄	D₄×C₁₉	1	2	yes	—
187	C₂³×C₄	C₂³×C₁₉	1	1	yes	characteristic
188	C₂²×C₈	—	2	4	no	—
189	C₂²×C₈	—	2	4	no	—
190	C₂²×C₈	—	2	4	no	—
191	C₂²×C₈	C₂³×C₁₉	1	4	yes	—
192	#125	—	2	16	no	—
193	#125	—	2	16	no	—
194	C₂×C₄⋊C₄	—	2	16	no	—
195	C₂×C₄⋊C₄	—	2	8	no	—
196	C₂×C₄⋊C₄	—	2	2	no	—
197	C₂×C₄⋊C₄	—	2	4	no	—
198	C₂×C₄⋊C₄	—	2	4	no	—
199	C₂×C₄⋊C₄	—	2	1	no	—
200	C₂×C₄⋊C₄	D₄×C₁₉	1	8	yes	—
201	C₂×C₄⋊C₄	C₂³×C₁₉	1	2	yes	—
202	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
203	C₂×C₄²	—	2	4	no	—
204	C₂×C₄²	D₄×C₁₉	1	2	yes	—
205	C₂×C₄²	C₂³×C₁₉	1	2	yes	—
206	#103	—	2	16	no	—
207	#95	—	2	8	no	—
208	C₁₉	C₂×#2026	1	1	yes	characteristic, direct product factor, Sylow
209	C₂⁴	C₂×D₄×C₁₉	1	1	yes	characteristic
210	C₂×Q₈	—	2	4	no	—
211	C₂×Q₈	—	2	2	no	—
212	C₂×Q₈	—	2	16	no	—
213	C₂×Q₈	—	2	4	no	—
214	C₂×Q₈	—	2	4	no	—
215	C₂×Q₈	—	4	2	no	—
216	C₂×Q₈	—	4	8	no	—
217	C₂×Q₈	—	4	2	no	—
218	C₂×Q₈	C₂×Q₈×C₁₉	1	4	yes	—
219	C₂²×C₄	—	2	4	no	—
220	C₂²×C₄	—	2	8	no	—
221	C₂²×C₄	—	2	4	no	—
222	C₂²×C₄	—	2	4	no	—
223	C₂²×C₄	—	2	4	no	—
224	C₂²×C₄	—	2	2	no	—
225	C₂²×C₄	—	2	4	no	—
226	C₂²×C₄	—	2	2	no	—
227	C₂²×C₄	—	4	2	no	—
228	C₂²×C₄	—	4	2	no	—
229	C₂²×C₄	—	4	4	no	—
230	C₂²×C₄	—	4	4	no	—
231	C₂²×C₄	—	4	2	no	—
232	C₂²×C₄	—	4	4	no	—
233	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
234	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
235	C₂²×C₄	C₂×D₄×C₁₉	1	4	yes	—
236	C₂²×C₄	C₂×Q₈×C₁₉	1	2	yes	—
237	C₂²×C₄	#41×C₁₉	1	4	yes	—
238	C₂²×C₄	#41×C₁₉	1	2	yes	—
239	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
240	C₂×C₈	—	2	4	no	—
241	C₂×C₈	—	2	4	no	—
242	C₂×C₈	—	2	4	no	—
243	C₂×C₈	—	4	8	no	—
244	C₄⋊C₄	—	2	32	no	—
245	C₄⋊C₄	—	2	8	no	—
246	C₄⋊C₄	—	2	4	no	—
247	C₄⋊C₄	—	2	4	no	—
248	C₄⋊C₄	—	4	2	no	—
249	C₄⋊C₄	C₂×D₄×C₁₉	1	8	yes	—
250	C₄²	—	2	4	no	—
251	C₄²	—	2	4	no	—
252	C₂³	C₁₉×#120	1	2	yes	—
253	C₂³	C₁₉×C₂²⋊Q₈	1	2	yes	—
254	C₂³	C₁₉×#124	1	2	yes	—
255	C₂³	C₁₉×#135	1	4	yes	—
256	C₂³	C₁₉×#137	1	4	yes	—
257	C₂³	C₂²×D₄×C₁₉	1	1	yes	characteristic
258	Q₈	—	2	8	no	—
259	Q₈	—	4	8	no	—
260	Q₈	—	4	4	no	—
261	C₂×C₄	—	2	4	no	—
262	C₂×C₄	—	2	8	no	—
263	C₂×C₄	—	2	4	no	—
264	C₂×C₄	—	2	4	no	—
265	C₂×C₄	—	2	4	no	—
266	C₂×C₄	—	4	8	no	—
267	C₂×C₄	—	4	8	no	—
268	C₂×C₄	—	4	16	no	—
269	C₂×C₄	—	4	2	no	—
270	C₂×C₄	—	4	2	no	—
271	C₂×C₄	—	4	4	no	—
272	C₂×C₄	—	4	4	no	—
273	C₂×C₄	—	4	2	no	—
274	C₂×C₄	—	4	4	no	—
275	C₂×C₄	—	8	4	no	—
276	C₂×C₄	C₁₉×#120	1	2	yes	—
277	C₂×C₄	C₁₉×C₂²⋊Q₈	1	2	yes	—
278	C₂×C₄	C₁₉×C₂²⋊Q₈	1	8	yes	—
279	C₂×C₄	C₁₉×#124	1	2	yes	—
280	C₂×C₄	C₁₉×#124	1	8	yes	—
281	C₂×C₄	C₂²×D₄×C₁₉	1	2	yes	—
282	C₂×C₄	C₂²×Q₈×C₁₉	1	1	yes	characteristic
283	C₂×C₄	C₂×#41×C₁₉	1	2	yes	—
284	C₂×C₄	C₂×#41×C₁₉	1	1	yes	characteristic
285	C₈	—	4	4	no	—
286	C₂²	C₁₉×#393	1	4	yes	—
287	C₂²	C₁₉×#452	1	8	yes	—
288	C₂²	C₁₉×#479	1	8	yes	—
289	C₂²	C₁₉×#488	1	4	yes	—
290	C₂²	C₁₉×#491	1	4	yes	—
291	C₂²	C₂×C₁₉×#120	1	1	yes	characteristic
292	C₂²	C₂×C₁₉×C₂²⋊Q₈	1	1	yes	characteristic
293	C₂²	C₂×C₁₉×#124	1	1	yes	characteristic
294	C₂²	C₂×C₁₉×#135	1	2	yes	—
295	C₂²	C₂×C₁₉×#137	1	2	yes	—
296	C₄	—	4	4	no	—
297	C₄	—	4	8	no	—
298	C₄	—	4	4	no	—
299	C₄	—	8	2	no	—
300	C₄	C₁₉×#393	1	4	yes	—
301	C₄	C₂×C₁₉×C₂²⋊Q₈	1	2	yes	—
302	C₄	C₂×C₁₉×#124	1	2	yes	—
303	C₂	C₁₉×#2026	1	8	yes	direct product factor
304	C₂	C₂×C₁₉×#393	1	1	yes	characteristic
305	C₂	C₂×C₁₉×#452	1	2	yes	—
306	C₂	C₂×C₁₉×#479	1	2	yes	—
307	C₂	C₂×C₁₉×#488	1	1	yes	characteristic
308	C₂	C₂×C₁₉×#491	1	1	yes	characteristic

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

Complements

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

N	H ≅ G/N	type
4. C₁₉×#2026	C₂	direct (N × H)
97. C₂×#2026	C₁₉	direct (N × H)
135. #2026	C₂×C₁₉	direct (N × H)
171. C₂×C₁₉	#2026	direct (N × H)
208. C₁₉	C₂×#2026	direct (N × H)
303. C₂	C₁₉×#2026	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×#125	2
C₂²×C₁₉×#103	2
C₂×C₁₉×#391	2
C₁₉×#2026	2
C₂×C₁₉×#340	2
C₂×C₁₉×#336	2
C₂×#2026	19

Subgroups — C2×C19×#2026 #18029409

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×C₁₉×#2026 #18029409