Subgroups — C₁₉×#22705 #18028664

Order 4864.

1054 conjugacy classes of subgroups.

The subgroup lattice has 320 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₈×D₄×C₁₉	C₂	1	1	yes	maximal, characteristic
2	D₄×C₄⋊C₄×C₁₉	C₂	1	2	yes	maximal
3	C₁₉×#1947	C₂	1	2	yes	maximal, complemented
4	C₁₉×#1852	C₂	1	4	yes	maximal, complemented
5	C₁₉×#1834	C₂	1	1	yes	maximal, characteristic, complemented
6	C₁₉×#1808	C₂	1	2	yes	maximal, complemented
7	C₄×C₁₉×#107	C₂	1	1	yes	maximal, characteristic, complemented
8	C₂×C₁₉×#340	C₂	1	2	yes	maximal, complemented
9	C₂³×C₈×C₁₉	C₂²	1	2	yes	—
10	C₂×C₄×D₄×C₁₉	—	2	2	no	—
11	C₂×C₄×D₄×C₁₉	C₂²	1	1	yes	characteristic
12	C₂²×C₄⋊C₄×C₁₉	C₂²	1	4	yes	—
13	C₈×D₄×C₁₉	C₄	1	8	yes	complemented
14	C₂×C₁₉×#107	C₂²	1	2	yes	—
15	C₂×C₁₉×#107	C₂²	1	4	yes	—
16	C₂×C₁₉×C₄⋊C₈	C₂²	1	1	yes	characteristic
17	C₂×C₁₉×C₂²⋊C₈	C₂²	1	2	yes	—
18	C₂×C₄×C₈×C₁₉	C₂²	1	1	yes	characteristic
19	C₁₉×#389	—	2	2	no	—
20	C₁₉×#385	—	2	4	no	—
21	C₁₉×#384	C₂²	1	2	yes	—
22	C₁₉×#380	C₂²	1	4	yes	—
23	C₄×C₄⋊C₄×C₁₉	C₂²	1	2	yes	—
24	C₁₉×#340	C₂²	1	4	yes	—
25	C₁₉×#340	C₂²	1	1	yes	characteristic
26	C₁₉×#340	C₂²	1	2	yes	—
27	C₁₉×#340	C₂²	1	1	yes	characteristic
28	C₁₉×#340	C₂²	1	2	yes	—
29	C₂²×D₄×C₁₉	D₄	1	1	yes	characteristic
30	C₂³×C₄×C₁₉	—	2	4	no	—
31	C₂³×C₄×C₁₉	C₂³	1	2	yes	—
32	C₂²×C₈×C₁₉	—	4	4	no	—
33	C₂²×C₈×C₁₉	C₂×C₄	1	8	yes	complemented
34	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
35	C₂²×C₈×C₁₉	C₂³	1	1	yes	characteristic
36	C₂²×C₈×C₁₉	C₂³	1	2	yes	—
37	C₄×D₄×C₁₉	—	4	8	no	—
38	C₄×D₄×C₁₉	C₂×C₄	1	4	yes	—
39	C₄×D₄×C₁₉	Q₈	1	4	yes	—
40	C₂×C₄⋊C₄×C₁₉	—	2	8	no	—
41	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
42	C₂×C₄⋊C₄×C₁₉	—	2	4	no	—
43	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
44	C₂×C₄⋊C₄×C₁₉	—	4	4	no	—
45	C₂×C₄⋊C₄×C₁₉	D₄	1	1	yes	characteristic
46	C₂×C₄⋊C₄×C₁₉	C₂³	1	4	yes	—
47	C₂×C₄⋊C₄×C₁₉	C₂³	1	2	yes	—
48	C₂×C₄⋊C₄×C₁₉	C₂³	1	2	yes	—
49	C₂×C₂²⋊C₄×C₁₉	—	2	4	no	—
50	C₂×C₂²⋊C₄×C₁₉	D₄	1	2	yes	—
51	C₂×C₄²×C₁₉	—	2	2	no	—
52	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
53	C₁₉×#107	—	2	4	no	—
54	C₁₉×#107	—	4	4	no	—
55	C₁₉×C₄⋊C₈	C₂×C₄	1	4	yes	complemented
56	C₁₉×C₂²⋊C₈	C₂×C₄	1	8	yes	complemented
57	C₄×C₈×C₁₉	C₂×C₄	1	4	yes	complemented
58	C₁₉×#95	—	2	2	no	—
59	C₁₉×#95	—	2	4	no	—
60	C₂⁴×C₁₉	C₂×D₄	1	2	yes	—
61	C₂×D₄×C₁₉	C₄⋊C₄	1	4	yes	—
62	C₂×D₄×C₁₉	D₈	1	4	yes	—
63	C₂×D₄×C₁₉	Q₁₆	1	4	yes	—
64	C₂²×C₄×C₁₉	—	2	4	no	—
65	C₂²×C₄×C₁₉	—	2	4	no	—
66	C₂²×C₄×C₁₉	—	2	2	no	—
67	C₂²×C₄×C₁₉	—	2	2	no	—
68	C₂²×C₄×C₁₉	—	2	4	no	—
69	C₂²×C₄×C₁₉	—	4	8	no	—
70	C₂²×C₄×C₁₉	—	4	8	no	—
71	C₂²×C₄×C₁₉	—	8	4	no	—
72	C₂²×C₄×C₁₉	C₂²×C₄	1	4	yes	—
73	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
74	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
75	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
76	C₂²×C₄×C₁₉	C₂×Q₈	1	4	yes	—
77	C₂²×C₄×C₁₉	C₂⁴	1	1	yes	characteristic
78	C₂×C₈×C₁₉	—	2	2	no	—
79	C₂×C₈×C₁₉	—	2	2	no	—
80	C₂×C₈×C₁₉	—	2	4	no	—
81	C₂×C₈×C₁₉	—	4	8	no	—
82	C₂×C₈×C₁₉	C₂²×C₄	1	2	yes	—
83	C₂×C₈×C₁₉	C₂²×C₄	1	4	yes	—
84	C₂×C₈×C₁₉	C₂²×C₄	1	2	yes	—
85	C₄⋊C₄×C₁₉	—	2	2	no	—
86	C₄⋊C₄×C₁₉	—	2	4	no	—
87	C₄⋊C₄×C₁₉	—	2	2	no	—
88	C₄⋊C₄×C₁₉	—	2	4	no	—
89	C₄⋊C₄×C₁₉	—	2	2	no	—
90	C₄⋊C₄×C₁₉	—	4	8	no	—
91	C₄⋊C₄×C₁₉	—	4	4	no	—
92	C₄⋊C₄×C₁₉	—	8	2	no	—
93	C₄⋊C₄×C₁₉	C₄⋊C₄	1	4	yes	—
94	C₄⋊C₄×C₁₉	#41	1	4	yes	—
95	C₂²⋊C₄×C₁₉	—	4	8	no	—
96	C₂²⋊C₄×C₁₉	C₄⋊C₄	1	8	yes	—
97	C₄²×C₁₉	—	4	4	no	—
98	C₄²×C₁₉	C₂²×C₄	1	2	yes	—
99	C₄²×C₁₉	C₂×Q₈	1	2	yes	—
100	#22705	C₁₉	1	1	yes	maximal, characteristic, direct product factor, Sylow
101	C₂³×C₁₉	—	2	4	no	—
102	C₂³×C₁₉	—	2	4	no	—
103	C₂³×C₁₉	C₂×C₄⋊C₄	1	4	yes	—
104	C₂³×C₁₉	C₂×D₈	1	4	yes	—
105	C₂³×C₁₉	C₂×Q₁₆	1	4	yes	—
106	C₂³×C₁₉	C₂²×D₄	1	1	yes	characteristic
107	D₄×C₁₉	#107	1	16	yes	complemented
108	C₂×C₄×C₁₉	—	2	4	no	—
109	C₂×C₄×C₁₉	—	2	2	no	—
110	C₂×C₄×C₁₉	—	2	4	no	—
111	C₂×C₄×C₁₉	—	2	4	no	—
112	C₂×C₄×C₁₉	—	2	8	no	—
113	C₂×C₄×C₁₉	—	2	4	no	—
114	C₂×C₄×C₁₉	—	4	2	no	—
115	C₂×C₄×C₁₉	—	4	2	no	—
116	C₂×C₄×C₁₉	—	4	4	no	—
117	C₂×C₄×C₁₉	—	4	2	no	—
118	C₂×C₄×C₁₉	—	4	2	no	—
119	C₂×C₄×C₁₉	—	4	4	no	—
120	C₂×C₄×C₁₉	—	4	4	no	—
121	C₂×C₄×C₁₉	—	4	2	no	—
122	C₂×C₄×C₁₉	—	8	16	no	—
123	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
124	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	4	yes	—
125	C₂×C₄×C₁₉	C₂×C₄⋊C₄	1	2	yes	—
126	C₂×C₄×C₁₉	C₂×D₈	1	2	yes	—
127	C₂×C₄×C₁₉	C₂×Q₁₆	1	2	yes	—
128	C₂×C₄×C₁₉	C₂³×C₄	1	1	yes	characteristic
129	C₂×C₄×C₁₉	C₂²×Q₈	1	1	yes	characteristic
130	C₂×C₄×C₁₉	C₂×#41	1	2	yes	—
131	C₂×C₄×C₁₉	H(5,𝔽₂)	1	2	yes	—
132	C₈×C₁₉	—	2	2	no	—
133	C₈×C₁₉	—	2	2	no	—
134	C₈×C₁₉	—	2	4	no	—
135	C₂×C₈×D₄	C₂×C₁₉	1	1	yes	characteristic
136	D₄×C₄⋊C₄	C₂×C₁₉	1	2	yes	—
137	#1947	C₂×C₁₉	1	2	yes	complemented
138	#1852	C₂×C₁₉	1	4	yes	complemented
139	#1834	C₂×C₁₉	1	1	yes	characteristic, complemented
140	#1808	C₂×C₁₉	1	2	yes	complemented
141	C₄×#107	C₂×C₁₉	1	1	yes	characteristic, complemented
142	C₂×#340	C₂×C₁₉	1	2	yes	complemented
143	C₂²×C₁₉	—	2	4	no	—
144	C₂²×C₁₉	—	2	4	no	—
145	C₂²×C₁₉	—	2	8	no	—
146	C₂²×C₁₉	—	2	8	no	—
147	C₂²×C₁₉	C₂×#107	1	8	yes	—
148	C₂²×C₁₉	C₂²×C₄⋊C₄	1	1	yes	characteristic
149	C₂²×C₁₉	#546	1	2	yes	—
150	C₂²×C₁₉	C₂²×D₈	1	1	yes	characteristic
151	C₂²×C₁₉	C₂²×Q₁₆	1	1	yes	characteristic
152	C₂²×C₁₉	#577	1	2	yes	—
153	C₄×C₁₉	—	2	4	no	—
154	C₄×C₁₉	—	2	2	no	—
155	C₄×C₁₉	—	4	4	no	—
156	C₄×C₁₉	—	8	2	no	—
157	C₄×C₁₉	—	8	4	no	—
158	C₄×C₁₉	C₂×#107	1	4	yes	—
159	C₄×C₁₉	C₄×#41	1	1	yes	characteristic
160	C₄×C₁₉	#518	1	1	yes	characteristic
161	C₄×C₁₉	#554	1	2	yes	—
162	C₂³×C₈	C₂²×C₁₉	1	2	yes	—
163	C₂×C₄×D₄	—	2	2	no	—
164	C₂×C₄×D₄	C₂²×C₁₉	1	1	yes	characteristic
165	C₂²×C₄⋊C₄	C₂²×C₁₉	1	4	yes	—
166	C₈×D₄	C₄×C₁₉	1	8	yes	complemented
167	C₂×#107	C₂²×C₁₉	1	2	yes	—
168	C₂×#107	C₂²×C₁₉	1	4	yes	—
169	C₂×C₄⋊C₈	C₂²×C₁₉	1	1	yes	characteristic
170	C₂×C₂²⋊C₈	C₂²×C₁₉	1	2	yes	—
171	C₂×C₄×C₈	C₂²×C₁₉	1	1	yes	characteristic
172	#389	—	2	2	no	—
173	#385	—	2	4	no	—
174	#384	C₂²×C₁₉	1	2	yes	—
175	#380	C₂²×C₁₉	1	4	yes	—
176	C₄×C₄⋊C₄	C₂²×C₁₉	1	2	yes	—
177	#340	C₂²×C₁₉	1	1	yes	characteristic
178	#340	C₂²×C₁₉	1	2	yes	—
179	#340	C₂²×C₁₉	1	2	yes	—
180	#340	C₂²×C₁₉	1	4	yes	—
181	#340	C₂²×C₁₉	1	1	yes	characteristic
182	C₂×C₁₉	—	2	8	no	—
183	C₂×C₁₉	#2349	1	1	yes	characteristic
184	C₂×C₁₉	C₂²×#107	1	1	yes	characteristic
185	C₂×C₁₉	#2912	1	1	yes	characteristic
186	C₂×C₁₉	#3294	1	2	yes	—
187	C₂×C₁₉	#3299	1	2	yes	—
188	C₂²×D₄	D₄×C₁₉	1	1	yes	characteristic
189	C₂³×C₄	—	2	4	no	—
190	C₂³×C₄	C₂³×C₁₉	1	2	yes	—
191	C₂²×C₈	—	4	4	no	—
192	C₂²×C₈	C₂×C₄×C₁₉	1	8	yes	complemented
193	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
194	C₂²×C₈	C₂³×C₁₉	1	2	yes	—
195	C₂²×C₈	C₂³×C₁₉	1	1	yes	characteristic
196	C₄×D₄	—	4	8	no	—
197	C₄×D₄	C₂×C₄×C₁₉	1	4	yes	—
198	C₄×D₄	Q₈×C₁₉	1	4	yes	—
199	C₂×C₄⋊C₄	—	2	8	no	—
200	C₂×C₄⋊C₄	—	2	4	no	—
201	C₂×C₄⋊C₄	—	2	2	no	—
202	C₂×C₄⋊C₄	—	2	2	no	—
203	C₂×C₄⋊C₄	—	4	4	no	—
204	C₂×C₄⋊C₄	D₄×C₁₉	1	1	yes	characteristic
205	C₂×C₄⋊C₄	C₂³×C₁₉	1	4	yes	—
206	C₂×C₄⋊C₄	C₂³×C₁₉	1	2	yes	—
207	C₂×C₄⋊C₄	C₂³×C₁₉	1	2	yes	—
208	C₂×C₂²⋊C₄	—	2	4	no	—
209	C₂×C₂²⋊C₄	D₄×C₁₉	1	2	yes	—
210	C₂×C₄²	—	2	2	no	—
211	C₂×C₄²	C₂³×C₁₉	1	1	yes	characteristic
212	#107	—	2	4	no	—
213	#107	—	4	4	no	—
214	C₄⋊C₈	C₂×C₄×C₁₉	1	4	yes	complemented
215	C₂²⋊C₈	C₂×C₄×C₁₉	1	8	yes	complemented
216	C₄×C₈	C₂×C₄×C₁₉	1	4	yes	complemented
217	#95	—	2	2	no	—
218	#95	—	2	4	no	—
219	C₁₉	#22705	1	1	yes	characteristic, direct product factor, Sylow
220	C₂⁴	C₂×D₄×C₁₉	1	2	yes	—
221	C₂×D₄	C₄⋊C₄×C₁₉	1	4	yes	—
222	C₂×D₄	D₈×C₁₉	1	4	yes	—
223	C₂×D₄	Q₁₆×C₁₉	1	4	yes	—
224	C₂²×C₄	—	2	4	no	—
225	C₂²×C₄	—	2	4	no	—
226	C₂²×C₄	—	2	2	no	—
227	C₂²×C₄	—	2	2	no	—
228	C₂²×C₄	—	2	4	no	—
229	C₂²×C₄	—	4	8	no	—
230	C₂²×C₄	—	4	8	no	—
231	C₂²×C₄	—	8	4	no	—
232	C₂²×C₄	C₂²×C₄×C₁₉	1	4	yes	—
233	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
234	C₂²×C₄	C₂×D₄×C₁₉	1	2	yes	—
235	C₂²×C₄	C₂×D₄×C₁₉	1	1	yes	characteristic
236	C₂²×C₄	C₂×Q₈×C₁₉	1	4	yes	—
237	C₂²×C₄	C₂⁴×C₁₉	1	1	yes	characteristic
238	C₂×C₈	—	2	2	no	—
239	C₂×C₈	—	2	4	no	—
240	C₂×C₈	—	2	2	no	—
241	C₂×C₈	—	4	8	no	—
242	C₂×C₈	C₂²×C₄×C₁₉	1	2	yes	—
243	C₂×C₈	C₂²×C₄×C₁₉	1	2	yes	—
244	C₂×C₈	C₂²×C₄×C₁₉	1	4	yes	—
245	C₄⋊C₄	—	2	2	no	—
246	C₄⋊C₄	—	2	2	no	—
247	C₄⋊C₄	—	2	4	no	—
248	C₄⋊C₄	—	2	2	no	—
249	C₄⋊C₄	—	2	4	no	—
250	C₄⋊C₄	—	4	8	no	—
251	C₄⋊C₄	—	4	4	no	—
252	C₄⋊C₄	—	8	2	no	—
253	C₄⋊C₄	C₄⋊C₄×C₁₉	1	4	yes	—
254	C₄⋊C₄	#41×C₁₉	1	4	yes	—
255	C₂²⋊C₄	—	4	8	no	—
256	C₂²⋊C₄	C₄⋊C₄×C₁₉	1	8	yes	—
257	C₄²	—	4	4	no	—
258	C₄²	C₂²×C₄×C₁₉	1	2	yes	—
259	C₄²	C₂×Q₈×C₁₉	1	2	yes	—
260	C₂³	—	2	4	no	—
261	C₂³	—	2	4	no	—
262	C₂³	C₂×C₄⋊C₄×C₁₉	1	4	yes	—
263	C₂³	C₂×D₈×C₁₉	1	4	yes	—
264	C₂³	C₂×Q₁₆×C₁₉	1	4	yes	—
265	C₂³	C₂²×D₄×C₁₉	1	1	yes	characteristic
266	D₄	C₁₉×#107	1	16	yes	complemented
267	C₂×C₄	—	2	4	no	—
268	C₂×C₄	—	2	2	no	—
269	C₂×C₄	—	2	4	no	—
270	C₂×C₄	—	2	4	no	—
271	C₂×C₄	—	2	8	no	—
272	C₂×C₄	—	2	4	no	—
273	C₂×C₄	—	4	2	no	—
274	C₂×C₄	—	4	2	no	—
275	C₂×C₄	—	4	4	no	—
276	C₂×C₄	—	4	2	no	—
277	C₂×C₄	—	4	2	no	—
278	C₂×C₄	—	4	4	no	—
279	C₂×C₄	—	4	4	no	—
280	C₂×C₄	—	4	2	no	—
281	C₂×C₄	—	8	16	no	—
282	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
283	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	4	yes	—
284	C₂×C₄	C₂×C₄⋊C₄×C₁₉	1	2	yes	—
285	C₂×C₄	C₂×D₈×C₁₉	1	2	yes	—
286	C₂×C₄	C₂×Q₁₆×C₁₉	1	2	yes	—
287	C₂×C₄	C₂³×C₄×C₁₉	1	1	yes	characteristic
288	C₂×C₄	C₂²×Q₈×C₁₉	1	1	yes	characteristic
289	C₂×C₄	C₂×#41×C₁₉	1	2	yes	—
290	C₂×C₄	C₁₉×H(5,𝔽₂)	1	2	yes	—
291	C₈	—	2	2	no	—
292	C₈	—	2	2	no	—
293	C₈	—	2	4	no	—
294	C₂²	—	2	4	no	—
295	C₂²	—	2	8	no	—
296	C₂²	—	2	8	no	—
297	C₂²	—	2	4	no	—
298	C₂²	C₂×C₁₉×#107	1	8	yes	—
299	C₂²	C₂²×C₄⋊C₄×C₁₉	1	1	yes	characteristic
300	C₂²	C₁₉×#546	1	2	yes	—
301	C₂²	C₂²×D₈×C₁₉	1	1	yes	characteristic
302	C₂²	C₂²×Q₁₆×C₁₉	1	1	yes	characteristic
303	C₂²	C₁₉×#577	1	2	yes	—
304	C₄	—	2	2	no	—
305	C₄	—	2	4	no	—
306	C₄	—	4	4	no	—
307	C₄	—	8	4	no	—
308	C₄	—	8	2	no	—
309	C₄	C₂×C₁₉×#107	1	4	yes	—
310	C₄	C₄×#41×C₁₉	1	1	yes	characteristic
311	C₄	C₁₉×#518	1	1	yes	characteristic
312	C₄	C₁₉×#554	1	2	yes	—
313	C₂	—	2	8	no	—
314	C₂	C₁₉×#2349	1	1	yes	characteristic
315	C₂	C₂²×C₁₉×#107	1	1	yes	characteristic
316	C₂	C₁₉×#2912	1	1	yes	characteristic
317	C₂	C₁₉×#3294	1	2	yes	—
318	C₂	C₁₉×#3299	1	2	yes	—

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

Complements

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

N	H ≅ G/N	type
3. C₁₉×#1947	C₂	semidirect
4. C₁₉×#1852	C₂	semidirect
5. C₁₉×#1834	C₂	semidirect
6. C₁₉×#1808	C₂	semidirect
7. C₄×C₁₉×#107	C₂	semidirect
8. C₂×C₁₉×#340	C₂	semidirect
13. C₈×D₄×C₁₉	C₄	semidirect
33. C₂²×C₈×C₁₉	C₂×C₄	semidirect
55. C₁₉×C₄⋊C₈	C₂×C₄	semidirect
56. C₁₉×C₂²⋊C₈	C₂×C₄	semidirect
57. C₄×C₈×C₁₉	C₂×C₄	semidirect
100. #22705	C₁₉	direct (N × H)
107. D₄×C₁₉	#107	semidirect
137. #1947	C₂×C₁₉	semidirect
138. #1852	C₂×C₁₉	semidirect
139. #1834	C₂×C₁₉	semidirect
140. #1808	C₂×C₁₉	semidirect
141. C₄×#107	C₂×C₁₉	semidirect
142. C₂×#340	C₂×C₁₉	semidirect
166. C₈×D₄	C₄×C₁₉	semidirect
192. C₂²×C₈	C₂×C₄×C₁₉	semidirect
214. C₄⋊C₈	C₂×C₄×C₁₉	semidirect
215. C₂²⋊C₈	C₂×C₄×C₁₉	semidirect
216. C₄×C₈	C₂×C₄×C₁₉	semidirect
219. C₁₉	#22705	direct (N × H)
266. D₄	C₁₉×#107	semidirect

Maximal subgroups

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

subgroup	index
C₂×C₈×D₄×C₁₉	2
D₄×C₄⋊C₄×C₁₉	2
C₁₉×#1947	2
C₁₉×#1852	2
C₁₉×#1834	2
C₁₉×#1808	2
C₄×C₁₉×#107	2
C₂×C₁₉×#340	2
#22705	19

Subgroups — C19×#22705 #18028664

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₉×#22705 #18028664