Subgroups — C₂×C₁₉×#1386 #18018525

Order 4864.

630 conjugacy classes of subgroups.

The subgroup lattice has 322 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₁₉×M₃₂	C₂	1	1	yes	maximal, characteristic
2	C₂×C₁₉×#427	C₂	1	1	yes	maximal, characteristic
3	C₂²×C₁₉×#106	C₂	1	1	yes	maximal, characteristic
4	C₁₉×#1386	C₂	1	4	yes	maximal, direct product factor
5	C₂³×C₈×C₁₉	C₂²	1	1	yes	characteristic
6	C₂×C₁₉×#117	—	2	1	no	—
7	C₂²×C₄⋊C₄×C₁₉	—	2	1	no	—
8	C₂×C₁₉×M₃₂	—	2	2	no	—
9	C₂×C₁₉×M₃₂	—	2	1	no	—
10	C₂×C₁₉×M₃₂	C₄	1	4	yes	complemented
11	C₂×C₁₉×M₃₂	C₂²	1	2	yes	—
12	C₂²×C₁₆×C₁₉	—	2	1	no	—
13	C₁₉×#427	—	2	1	no	—
14	C₁₉×#427	—	2	1	no	—
15	C₁₉×#427	C₄	1	2	yes	complemented
16	C₁₉×#427	C₂²	1	2	yes	—
17	C₂×C₁₉×#107	C₄	1	2	yes	complemented
18	C₂×C₁₉×#106	—	2	2	no	—
19	C₂×C₁₉×#106	—	2	1	no	—
20	C₂×C₁₉×#106	—	2	1	no	—
21	C₂×C₁₉×#106	C₄	1	4	yes	complemented
22	C₂×C₁₉×#106	C₂²	1	2	yes	—
23	C₂³×C₄×C₁₉	—	4	1	no	—
24	C₂³×C₄×C₁₉	D₄	1	1	yes	characteristic
25	C₂²×C₈×C₁₉	C₂×C₄	1	2	yes	—
26	C₂²×C₈×C₁₉	C₂×C₄	1	2	yes	—
27	C₂²×C₈×C₁₉	C₂×C₄	1	1	yes	characteristic
28	C₂²×C₈×C₁₉	C₂×C₄	1	1	yes	characteristic
29	C₂²×C₈×C₁₉	D₄	1	1	yes	characteristic
30	C₂²×C₈×C₁₉	D₄	1	1	yes	characteristic
31	C₂²×C₈×C₁₉	D₄	1	2	yes	—
32	C₂²×C₈×C₁₉	D₄	1	1	yes	characteristic
33	C₂²×C₈×C₁₉	Q₈	1	2	yes	—
34	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
35	C₁₉×#117	—	2	2	no	—
36	C₁₉×#117	—	2	2	no	—
37	C₁₉×#117	—	4	1	no	—
38	C₁₉×#117	—	4	1	no	—
39	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
40	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
41	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
42	C₂×C₄⋊C₄×C₁₉	—	4	1	no	—
43	C₂×C₄⋊C₄×C₁₉	—	4	2	no	—
44	C₂×C₂²⋊C₄×C₁₉	—	4	1	no	—
45	C₂×C₄²×C₁₉	—	4	1	no	—
46	C₁₉×M₃₂	—	2	4	no	—
47	C₁₉×M₃₂	—	2	2	no	—
48	C₁₉×M₃₂	C₂×C₄	1	4	yes	complemented
49	C₂×C₁₆×C₁₉	—	2	4	no	—
50	C₂×C₁₆×C₁₉	—	2	2	no	—
51	C₁₉×#107	—	2	2	no	—
52	C₁₉×#107	C₂×C₄	1	4	yes	complemented
53	C₁₉×#106	—	2	4	no	—
54	C₁₉×#106	—	2	2	no	—
55	C₁₉×#106	—	2	2	no	—
56	C₁₉×#106	—	2	2	no	—
57	C₁₉×#106	C₂×C₄	1	4	yes	complemented
58	C₂⁴×C₁₉	D₈	1	1	yes	characteristic
59	C₂²×C₄×C₁₉	—	4	4	no	—
60	C₂²×C₄×C₁₉	—	4	2	no	—
61	C₂²×C₄×C₁₉	—	4	2	no	—
62	C₂²×C₄×C₁₉	—	8	4	no	—
63	C₂²×C₄×C₁₉	C₂²⋊C₄	1	2	yes	—
64	C₂²×C₄×C₁₉	C₂²⋊C₄	1	1	yes	characteristic
65	C₂²×C₄×C₁₉	C₂²⋊C₄	1	1	yes	characteristic
66	C₂²×C₄×C₁₉	C₄⋊C₄	1	2	yes	—
67	C₂²×C₄×C₁₉	D₈	1	1	yes	characteristic
68	C₂²×C₄×C₁₉	SD₁₆	1	2	yes	—
69	C₂²×C₄×C₁₉	SD₁₆	1	1	yes	characteristic
70	C₂²×C₄×C₁₉	SD₁₆	1	1	yes	characteristic
71	C₂²×C₄×C₁₉	Q₁₆	1	2	yes	—
72	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
73	C₂×C₈×C₁₉	C₄²	1	2	yes	—
74	C₂×C₈×C₁₉	C₄²	1	2	yes	—
75	C₂×C₈×C₁₉	C₂²⋊C₄	1	2	yes	—
76	C₂×C₈×C₁₉	C₂²⋊C₄	1	1	yes	characteristic
77	C₂×C₈×C₁₉	C₂²⋊C₄	1	1	yes	characteristic
78	C₂×C₈×C₁₉	C₂²⋊C₄	1	2	yes	—
79	C₂×C₈×C₁₉	C₂²⋊C₄	1	2	yes	—
80	C₂×C₈×C₁₉	C₄⋊C₄	1	2	yes	—
81	C₂×C₈×C₁₉	C₄⋊C₄	1	2	yes	—
82	C₂×C₈×C₁₉	C₄⋊C₄	1	2	yes	—
83	C₂×C₈×C₁₉	C₄⋊C₄	1	2	yes	—
84	C₂×C₈×C₁₉	C₄⋊C₄	1	2	yes	—
85	C₂×C₈×C₁₉	C₂²×C₄	1	1	yes	characteristic
86	C₂×C₈×C₁₉	C₂²×C₄	1	1	yes	characteristic
87	C₂×C₈×C₁₉	C₂²×C₄	1	1	yes	characteristic
88	C₂×C₈×C₁₉	C₂×D₄	1	1	yes	characteristic
89	C₂×C₈×C₁₉	C₂×D₄	1	1	yes	characteristic
90	C₂×C₈×C₁₉	C₂×Q₈	1	1	yes	characteristic
91	C₄⋊C₄×C₁₉	—	2	4	no	—
92	C₄⋊C₄×C₁₉	—	2	4	no	—
93	C₄⋊C₄×C₁₉	—	4	4	no	—
94	C₄⋊C₄×C₁₉	—	4	2	no	—
95	C₄⋊C₄×C₁₉	—	4	2	no	—
96	C₂²⋊C₄×C₁₉	—	4	2	no	—
97	C₂²⋊C₄×C₁₉	—	4	2	no	—
98	C₄²×C₁₉	—	4	2	no	—
99	C₄²×C₁₉	—	4	2	no	—
100	C₁₆×C₁₉	—	2	4	no	—
101	C₂×#1386	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
102	C₂³×C₁₉	—	2	4	no	—
103	C₂³×C₁₉	#102	1	1	yes	characteristic
104	C₂³×C₁₉	#102	1	2	yes	—
105	C₂³×C₁₉	#102	1	1	yes	characteristic
106	C₂³×C₁₉	#107	1	2	yes	—
107	C₂³×C₁₉	C₂×D₈	1	1	yes	characteristic
108	C₂×C₄×C₁₉	—	4	4	no	—
109	C₂×C₄×C₁₉	—	4	4	no	—
110	C₂×C₄×C₁₉	—	8	4	no	—
111	C₂×C₄×C₁₉	—	8	8	no	—
112	C₂×C₄×C₁₉	—	8	4	no	—
113	C₂×C₄×C₁₉	#95	1	2	yes	—
114	C₂×C₄×C₁₉	#95	1	2	yes	—
115	C₂×C₄×C₁₉	#102	1	1	yes	characteristic
116	C₂×C₄×C₁₉	#102	1	2	yes	—
117	C₂×C₄×C₁₉	#102	1	1	yes	characteristic
118	C₂×C₄×C₁₉	#103	1	2	yes	—
119	C₂×C₄×C₁₉	#103	1	2	yes	—
120	C₂×C₄×C₁₉	#103	1	2	yes	—
121	C₂×C₄×C₁₉	#103	1	2	yes	—
122	C₂×C₄×C₁₉	#106	1	2	yes	—
123	C₂×C₄×C₁₉	#106	1	2	yes	—
124	C₂×C₄×C₁₉	#107	1	2	yes	—
125	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	1	yes	characteristic
126	C₂×C₄×C₁₉	C₂×C₂²⋊C₄	1	1	yes	characteristic
127	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	1	yes	characteristic
128	C₂×C₄×C₁₉	C₂×SD₁₆	1	1	yes	characteristic
129	C₂×C₄×C₁₉	C₂×SD₁₆	1	1	yes	characteristic
130	C₂×C₄×C₁₉	C₂×Q₁₆	1	1	yes	characteristic
131	C₈×C₁₉	#95	1	2	yes	—
132	C₈×C₁₉	#95	1	2	yes	—
133	C₈×C₁₉	C₂×C₄²	1	1	yes	characteristic
134	C₈×C₁₉	C₂×C₂²⋊C₄	1	1	yes	characteristic
135	C₈×C₁₉	C₂×C₄⋊C₄	1	1	yes	characteristic
136	C₈×C₁₉	C₂×C₄⋊C₄	1	1	yes	characteristic
137	C₂²×M₃₂	C₂×C₁₉	1	1	yes	characteristic
138	C₂×#427	C₂×C₁₉	1	1	yes	characteristic
139	C₂²×#106	C₂×C₁₉	1	1	yes	characteristic
140	#1386	C₂×C₁₉	1	4	yes	direct product factor
141	C₂²×C₁₉	—	2	2	no	—
142	C₂²×C₁₉	—	2	2	no	—
143	C₂²×C₁₉	—	2	4	no	—
144	C₂²×C₁₉	—	2	4	no	—
145	C₂²×C₁₉	#340	1	2	yes	—
146	C₂²×C₁₉	#340	1	2	yes	—
147	C₂²×C₁₉	#360	1	4	yes	—
148	C₂²×C₁₉	C₂×#102	1	1	yes	characteristic
149	C₂²×C₁₉	C₂×#102	1	1	yes	characteristic
150	C₂²×C₁₉	C₂×#107	1	1	yes	characteristic
151	C₄×C₁₉	—	8	4	no	—
152	C₄×C₁₉	—	8	4	no	—
153	C₄×C₁₉	#340	1	2	yes	—
154	C₄×C₁₉	#340	1	2	yes	—
155	C₄×C₁₉	C₂×#95	1	1	yes	characteristic
156	C₄×C₁₉	C₂×#103	1	1	yes	characteristic
157	C₄×C₁₉	C₂×#103	1	1	yes	characteristic
158	C₄×C₁₉	C₂×#106	1	1	yes	characteristic
159	C₂³×C₈	C₂²×C₁₉	1	1	yes	characteristic
160	C₂×#117	—	2	1	no	—
161	C₂²×C₄⋊C₄	—	2	1	no	—
162	C₂×M₃₂	—	2	2	no	—
163	C₂×M₃₂	—	2	1	no	—
164	C₂×M₃₂	C₄×C₁₉	1	4	yes	complemented
165	C₂×M₃₂	C₂²×C₁₉	1	2	yes	—
166	C₂²×C₁₆	—	2	1	no	—
167	#427	—	2	1	no	—
168	#427	—	2	1	no	—
169	#427	C₄×C₁₉	1	2	yes	complemented
170	#427	C₂²×C₁₉	1	2	yes	—
171	C₂×#107	C₄×C₁₉	1	2	yes	complemented
172	C₂×#106	—	2	1	no	—
173	C₂×#106	—	2	2	no	—
174	C₂×#106	—	2	1	no	—
175	C₂×#106	C₄×C₁₉	1	4	yes	complemented
176	C₂×#106	C₂²×C₁₉	1	2	yes	—
177	C₂×C₁₉	—	2	1	no	—
178	C₂×C₁₉	—	2	2	no	—
179	C₂×C₁₉	—	2	1	no	—
180	C₂×C₁₉	#1386	1	4	yes	direct product factor
181	C₂×C₁₉	C₂×#340	1	1	yes	characteristic
182	C₂×C₁₉	C₂×#360	1	2	yes	—
183	C₂³×C₄	—	4	1	no	—
184	C₂³×C₄	D₄×C₁₉	1	1	yes	characteristic
185	C₂²×C₈	C₂×C₄×C₁₉	1	2	yes	—
186	C₂²×C₈	C₂×C₄×C₁₉	1	2	yes	—
187	C₂²×C₈	C₂×C₄×C₁₉	1	1	yes	characteristic
188	C₂²×C₈	C₂×C₄×C₁₉	1	1	yes	characteristic
189	C₂²×C₈	D₄×C₁₉	1	1	yes	characteristic
190	C₂²×C₈	D₄×C₁₉	1	1	yes	characteristic
191	C₂²×C₈	D₄×C₁₉	1	2	yes	—
192	C₂²×C₈	D₄×C₁₉	1	1	yes	characteristic
193	C₂²×C₈	Q₈×C₁₉	1	2	yes	—
194	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
195	#117	—	2	2	no	—
196	#117	—	2	2	no	—
197	#117	—	4	1	no	—
198	#117	—	4	1	no	—
199	C₂×C₄⋊C₄	—	2	4	no	—
200	C₂×C₄⋊C₄	—	2	2	no	—
201	C₂×C₄⋊C₄	—	2	2	no	—
202	C₂×C₄⋊C₄	—	4	1	no	—
203	C₂×C₄⋊C₄	—	4	2	no	—
204	C₂×C₂²⋊C₄	—	4	1	no	—
205	C₂×C₄²	—	4	1	no	—
206	M₃₂	—	2	4	no	—
207	M₃₂	—	2	2	no	—
208	M₃₂	C₂×C₄×C₁₉	1	4	yes	complemented
209	C₂×C₁₆	—	2	4	no	—
210	C₂×C₁₆	—	2	2	no	—
211	#107	—	2	2	no	—
212	#107	C₂×C₄×C₁₉	1	4	yes	complemented
213	#106	—	2	4	no	—
214	#106	—	2	2	no	—
215	#106	—	2	2	no	—
216	#106	—	2	2	no	—
217	#106	C₂×C₄×C₁₉	1	4	yes	complemented
218	C₁₉	C₂×#1386	1	1	yes	characteristic, direct product factor, Sylow
219	C₂⁴	D₈×C₁₉	1	1	yes	characteristic
220	C₂²×C₄	—	4	2	no	—
221	C₂²×C₄	—	4	2	no	—
222	C₂²×C₄	—	4	4	no	—
223	C₂²×C₄	—	8	4	no	—
224	C₂²×C₄	C₂²⋊C₄×C₁₉	1	2	yes	—
225	C₂²×C₄	C₂²⋊C₄×C₁₉	1	1	yes	characteristic
226	C₂²×C₄	C₂²⋊C₄×C₁₉	1	1	yes	characteristic
227	C₂²×C₄	C₄⋊C₄×C₁₉	1	2	yes	—
228	C₂²×C₄	D₈×C₁₉	1	1	yes	characteristic
229	C₂²×C₄	SD₁₆×C₁₉	1	1	yes	characteristic
230	C₂²×C₄	SD₁₆×C₁₉	1	2	yes	—
231	C₂²×C₄	SD₁₆×C₁₉	1	1	yes	characteristic
232	C₂²×C₄	Q₁₆×C₁₉	1	2	yes	—
233	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
234	C₂×C₈	C₄²×C₁₉	1	2	yes	—
235	C₂×C₈	C₄²×C₁₉	1	2	yes	—
236	C₂×C₈	C₂²⋊C₄×C₁₉	1	2	yes	—
237	C₂×C₈	C₂²⋊C₄×C₁₉	1	2	yes	—
238	C₂×C₈	C₂²⋊C₄×C₁₉	1	2	yes	—
239	C₂×C₈	C₂²⋊C₄×C₁₉	1	1	yes	characteristic
240	C₂×C₈	C₂²⋊C₄×C₁₉	1	1	yes	characteristic
241	C₂×C₈	C₄⋊C₄×C₁₉	1	2	yes	—
242	C₂×C₈	C₄⋊C₄×C₁₉	1	2	yes	—
243	C₂×C₈	C₄⋊C₄×C₁₉	1	2	yes	—
244	C₂×C₈	C₄⋊C₄×C₁₉	1	2	yes	—
245	C₂×C₈	C₄⋊C₄×C₁₉	1	2	yes	—
246	C₂×C₈	C₂²×C₄×C₁₉	1	1	yes	characteristic
247	C₂×C₈	C₂²×C₄×C₁₉	1	1	yes	characteristic
248	C₂×C₈	C₂²×C₄×C₁₉	1	1	yes	characteristic
249	C₂×C₈	C₂×D₄×C₁₉	1	1	yes	characteristic
250	C₂×C₈	C₂×D₄×C₁₉	1	1	yes	characteristic
251	C₂×C₈	C₂×Q₈×C₁₉	1	1	yes	characteristic
252	C₄⋊C₄	—	2	4	no	—
253	C₄⋊C₄	—	2	4	no	—
254	C₄⋊C₄	—	4	2	no	—
255	C₄⋊C₄	—	4	4	no	—
256	C₄⋊C₄	—	4	2	no	—
257	C₂²⋊C₄	—	4	2	no	—
258	C₂²⋊C₄	—	4	2	no	—
259	C₄²	—	4	2	no	—
260	C₄²	—	4	2	no	—
261	C₁₆	—	2	4	no	—
262	C₂³	—	2	4	no	—
263	C₂³	C₁₉×#102	1	1	yes	characteristic
264	C₂³	C₁₉×#102	1	2	yes	—
265	C₂³	C₁₉×#102	1	1	yes	characteristic
266	C₂³	C₁₉×#107	1	2	yes	—
267	C₂³	C₂×D₈×C₁₉	1	1	yes	characteristic
268	C₂×C₄	—	4	4	no	—
269	C₂×C₄	—	4	4	no	—
270	C₂×C₄	—	8	4	no	—
271	C₂×C₄	—	8	8	no	—
272	C₂×C₄	—	8	4	no	—
273	C₂×C₄	C₁₉×#95	1	2	yes	—
274	C₂×C₄	C₁₉×#95	1	2	yes	—
275	C₂×C₄	C₁₉×#102	1	1	yes	characteristic
276	C₂×C₄	C₁₉×#102	1	2	yes	—
277	C₂×C₄	C₁₉×#102	1	1	yes	characteristic
278	C₂×C₄	C₁₉×#103	1	2	yes	—
279	C₂×C₄	C₁₉×#103	1	2	yes	—
280	C₂×C₄	C₁₉×#103	1	2	yes	—
281	C₂×C₄	C₁₉×#103	1	2	yes	—
282	C₂×C₄	C₁₉×#106	1	2	yes	—
283	C₂×C₄	C₁₉×#106	1	2	yes	—
284	C₂×C₄	C₁₉×#107	1	2	yes	—
285	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	1	yes	characteristic
286	C₂×C₄	C₂×C₂²⋊C₄×C₁₉	1	1	yes	characteristic
287	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	1	yes	characteristic
288	C₂×C₄	C₂×SD₁₆×C₁₉	1	1	yes	characteristic
289	C₂×C₄	C₂×SD₁₆×C₁₉	1	1	yes	characteristic
290	C₂×C₄	C₂×Q₁₆×C₁₉	1	1	yes	characteristic
291	C₈	C₁₉×#95	1	2	yes	—
292	C₈	C₁₉×#95	1	2	yes	—
293	C₈	C₂×C₄²×C₁₉	1	1	yes	characteristic
294	C₈	C₂×C₂²⋊C₄×C₁₉	1	1	yes	characteristic
295	C₈	C₂×C₄⋊C₄×C₁₉	1	1	yes	characteristic
296	C₈	C₂×C₄⋊C₄×C₁₉	1	1	yes	characteristic
297	C₂²	—	2	2	no	—
298	C₂²	—	2	2	no	—
299	C₂²	—	2	4	no	—
300	C₂²	—	2	4	no	—
301	C₂²	C₁₉×#340	1	2	yes	—
302	C₂²	C₁₉×#340	1	2	yes	—
303	C₂²	C₁₉×#360	1	4	yes	—
304	C₂²	C₂×C₁₉×#102	1	1	yes	characteristic
305	C₂²	C₂×C₁₉×#102	1	1	yes	characteristic
306	C₂²	C₂×C₁₉×#107	1	1	yes	characteristic
307	C₄	—	8	4	no	—
308	C₄	—	8	4	no	—
309	C₄	C₁₉×#340	1	2	yes	—
310	C₄	C₁₉×#340	1	2	yes	—
311	C₄	C₂×C₁₉×#95	1	1	yes	characteristic
312	C₄	C₂×C₁₉×#103	1	1	yes	characteristic
313	C₄	C₂×C₁₉×#103	1	1	yes	characteristic
314	C₄	C₂×C₁₉×#106	1	1	yes	characteristic
315	C₂	—	2	1	no	—
316	C₂	—	2	2	no	—
317	C₂	—	2	1	no	—
318	C₂	C₁₉×#1386	1	4	yes	direct product factor
319	C₂	C₂×C₁₉×#340	1	1	yes	characteristic
320	C₂	C₂×C₁₉×#360	1	2	yes	—

	subgroup	G/H
center, socle	C₂³×C₁₉	#102
commutator	C₈	C₂×C₄²×C₁₉
Frattini, cosocle	C₂²×C₈	C₂³×C₁₉
prime radical	C₂⁴×C₁₉	D₈
LCS	G ▷ C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₁₉ ◁ C₂³×C₄×C₁₉ ◁ C₂³×C₈×C₁₉ ◁ G

Complements

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

N	H ≅ G/N	type
4. C₁₉×#1386	C₂	direct (N × H)
10. C₂×C₁₉×M₃₂	C₄	semidirect
15. C₁₉×#427	C₄	semidirect
17. C₂×C₁₉×#107	C₄	semidirect
21. C₂×C₁₉×#106	C₄	semidirect
48. C₁₉×M₃₂	C₂×C₄	semidirect
52. C₁₉×#107	C₂×C₄	semidirect
57. C₁₉×#106	C₂×C₄	semidirect
101. C₂×#1386	C₁₉	direct (N × H)
140. #1386	C₂×C₁₉	direct (N × H)
164. C₂×M₃₂	C₄×C₁₉	semidirect
169. #427	C₄×C₁₉	semidirect
171. C₂×#107	C₄×C₁₉	semidirect
175. C₂×#106	C₄×C₁₉	semidirect
180. C₂×C₁₉	#1386	direct (N × H)
208. M₃₂	C₂×C₄×C₁₉	semidirect
212. #107	C₂×C₄×C₁₉	semidirect
217. #106	C₂×C₄×C₁₉	semidirect
218. C₁₉	C₂×#1386	direct (N × H)
318. C₂	C₁₉×#1386	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×M₃₂	2
C₂×C₁₉×#427	2
C₂²×C₁₉×#106	2
C₁₉×#1386	2
C₂×#1386	19

Subgroups — C2×C19×#1386 #18018525

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₂×C₁₉×#1386 #18018525