Subgroups — C₅×#21707 #11944427

Order 1280.

998 conjugacy classes of subgroups.

The subgroup lattice has 358 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₅×#3147	C₂	1	1	yes	maximal, characteristic
2	C₂×C₅×#444	C₂	1	2	yes	maximal, complemented
3	C₂×C₅×#443	C₂	1	2	yes	maximal, complemented
4	C₅×#2932	C₂	1	2	yes	maximal, complemented
5	C₅×#1975	C₂	1	2	yes	maximal, complemented
6	C₅×#1974	C₂	1	2	yes	maximal, complemented
7	C₅×#1963	C₂	1	2	yes	maximal, complemented
8	C₅×#1848	C₂	1	1	yes	maximal, characteristic, complemented
9	C₅×#1726	C₂	1	1	yes	maximal, characteristic, complemented
10	C₂×C₅×#135	C₂²	1	2	yes	—
11	C₂×C₅×#135	C₂²	1	2	yes	—
12	C₂×C₅×#131	C₂²	1	4	yes	—
13	C₅×#532	C₂²	1	2	yes	—
14	C₅×#495	C₄	1	2	yes	complemented
15	C₅×#495	C₄	1	2	yes	complemented
16	C₅×#494	C₄	1	1	yes	characteristic, complemented
17	C₅×#493	C₄	1	1	yes	characteristic, complemented
18	C₅×#492	C₄	1	2	yes	complemented
19	C₅×#444	—	2	8	no	—
20	C₅×#443	—	2	8	no	—
21	C₅×#435	—	2	8	no	—
22	C₂×C₅×#108	C₂²	1	2	yes	—
23	C₂×C₅×#108	C₂²	1	2	yes	—
24	C₅×#423	C₂²	1	2	yes	—
25	C₂×C₅×#104	C₂²	1	4	yes	—
26	C₂×C₅×#104	C₂²	1	4	yes	—
27	C₅×#408	C₂²	1	4	yes	—
28	C₂×C₅×#97	C₂²	1	1	yes	characteristic
29	C₂×C₅×#97	C₂²	1	1	yes	characteristic
30	C₂×C₅×#97	C₂²	1	1	yes	characteristic
31	C₂×C₄×C₅×C₈	C₂²	1	1	yes	characteristic
32	C₂×C₄×C₅×C₈	C₂²	1	1	yes	characteristic
33	C₂×C₄×C₅×C₈	C₂²	1	1	yes	characteristic
34	C₅×#376	C₂²	1	1	yes	characteristic
35	#21707	C₅	1	1	yes	maximal, characteristic, direct product factor, Sylow
36	C₂×C₅×#41	C₂³	1	4	yes	—
37	C₅×#135	—	2	4	no	—
38	C₅×#135	—	2	4	no	—
39	C₅×#135	—	2	4	no	—
40	C₅×#135	—	2	4	no	—
41	C₂×C₅×Q₁₆	C₂×C₄	1	2	yes	—
42	C₂×C₅×Q₁₆	C₂×C₄	1	2	yes	—
43	C₂×C₅×SD₁₆	C₂×C₄	1	4	yes	—
44	C₂×C₅×SD₁₆	C₂×C₄	1	4	yes	—
45	C₂×C₅×D₈	C₂×C₄	1	2	yes	—
46	C₂×C₅×D₈	C₂×C₄	1	2	yes	—
47	C₅×#131	—	2	8	no	—
48	C₅×#131	—	2	8	no	—
49	C₂×C₅×M₁₆	—	2	4	no	—
50	C₂×C₅×M₁₆	C₂³	1	4	yes	—
51	C₂²×C₅×C₈	—	2	4	no	—
52	C₂²×C₅×C₈	C₂³	1	1	yes	characteristic
53	C₂²×C₅×C₈	C₂³	1	1	yes	characteristic
54	C₂²×C₅×C₈	C₂³	1	1	yes	characteristic
55	C₂²×C₅×C₈	C₂³	1	1	yes	characteristic
56	C₅×C₄⋊Q₈	C₂×C₄	1	2	yes	—
57	C₅×#127	C₂×C₄	1	2	yes	—
58	C₅×#124	C₂×C₄	1	4	yes	—
59	C₅×#121	—	2	4	no	—
60	C₄×C₅×D₄	—	2	4	no	—
61	C₂×C₄²×C₅	C₂³	1	1	yes	characteristic
62	C₂×C₄²×C₅	C₂³	1	1	yes	characteristic
63	C₂×C₄²×C₅	C₂³	1	1	yes	characteristic
64	C₅×#108	—	2	4	no	—
65	C₅×#108	—	2	4	no	—
66	C₅×C₄⋊C₈	—	2	4	no	—
67	C₅×#104	—	2	8	no	—
68	C₅×#104	—	2	8	no	—
69	C₅×C₂²⋊C₈	—	2	8	no	—
70	C₅×#97	—	2	2	no	—
71	C₅×#97	D₄	1	4	yes	—
72	C₅×#97	D₄	1	4	yes	complemented
73	C₄×C₅×C₈	—	2	2	no	—
74	C₄×C₅×C₈	C₂×C₄	1	1	yes	characteristic
75	C₄×C₅×C₈	C₂×C₄	1	1	yes	characteristic
76	C₄×C₅×C₈	C₂×C₄	1	1	yes	characteristic
77	C₄×C₅×C₈	C₂×C₄	1	1	yes	characteristic
78	C₄×C₅×C₈	D₄	1	4	yes	complemented
79	C₅×#95	—	2	2	no	—
80	#3147	C₂×C₅	1	1	yes	characteristic
81	C₂×#444	C₂×C₅	1	2	yes	complemented
82	C₂×#443	C₂×C₅	1	2	yes	complemented
83	#2932	C₂×C₅	1	2	yes	complemented
84	#1975	C₂×C₅	1	2	yes	complemented
85	#1974	C₂×C₅	1	2	yes	complemented
86	#1963	C₂×C₅	1	2	yes	complemented
87	#1848	C₂×C₅	1	1	yes	characteristic, complemented
88	#1726	C₂×C₅	1	1	yes	characteristic, complemented
89	C₅×#41	—	2	4	no	—
90	C₅×#41	—	2	4	no	—
91	C₅×#41	—	2	4	no	—
92	C₅×#41	—	2	4	no	—
93	C₂×C₅×Q₈	C₂²×C₄	1	4	yes	—
94	C₂×C₅×D₄	—	2	4	no	—
95	C₂×C₅×D₄	—	2	4	no	—
96	C₂×C₅×D₄	C₂²×C₄	1	4	yes	—
97	C₂²×C₄×C₅	—	2	1	no	—
98	C₂²×C₄×C₅	—	2	1	no	—
99	C₂²×C₄×C₅	—	2	4	no	—
100	C₂²×C₄×C₅	#41	1	2	yes	—
101	C₂²×C₄×C₅	C₂⁴	1	1	yes	characteristic
102	C₅×Q₁₆	—	2	4	no	—
103	C₅×Q₁₆	—	2	4	no	—
104	C₅×SD₁₆	—	2	8	no	—
105	C₅×SD₁₆	—	2	8	no	—
106	C₅×D₈	—	2	4	no	—
107	C₅×D₈	—	2	4	no	—
108	C₅×M₁₆	—	2	4	no	—
109	C₅×M₁₆	—	2	4	no	—
110	C₅×M₁₆	—	4	8	no	—
111	C₂×C₅×C₈	—	2	1	no	—
112	C₂×C₅×C₈	—	2	1	no	—
113	C₂×C₅×C₈	—	2	4	no	—
114	C₂×C₅×C₈	—	4	8	no	—
115	C₂×C₅×C₈	C₂²×C₄	1	1	yes	characteristic
116	C₂×C₅×C₈	C₂²×C₄	1	1	yes	characteristic
117	C₂×C₅×C₈	C₂²×C₄	1	1	yes	characteristic
118	C₂×C₅×C₈	C₂²×C₄	1	1	yes	characteristic
119	C₂×C₅×C₈	C₂×D₄	1	2	yes	—
120	C₂×C₅×C₈	C₂×D₄	1	2	yes	—
121	C₂×C₅×C₈	C₂×D₄	1	2	yes	—
122	C₂×C₅×C₈	C₂×D₄	1	2	yes	—
123	C₂×C₅×C₈	C₂×D₄	1	2	yes	—
124	C₂×C₅×C₈	C₂×D₄	1	2	yes	—
125	C₂×C₅×C₈	#41	1	2	yes	—
126	C₂×C₅×C₈	#41	1	2	yes	—
127	C₅×C₄⋊C₄	—	2	4	no	—
128	C₅×C₂²⋊C₄	—	2	8	no	—
129	C₄²×C₅	—	2	1	no	—
130	C₄²×C₅	—	2	1	no	—
131	C₄²×C₅	C₂²×C₄	1	1	yes	characteristic
132	C₄²×C₅	C₂²×C₄	1	1	yes	characteristic
133	C₄²×C₅	C₂×D₄	1	2	yes	—
134	C₄²×C₅	C₂×D₄	1	2	yes	—
135	C₄²×C₅	C₂×D₄	1	2	yes	—
136	C₂×#135	C₂²×C₅	1	2	yes	—
137	C₂×#135	C₂²×C₅	1	2	yes	—
138	C₂×#131	C₂²×C₅	1	4	yes	—
139	#532	C₂²×C₅	1	2	yes	—
140	#495	C₄×C₅	1	2	yes	complemented
141	#495	C₄×C₅	1	2	yes	complemented
142	#494	C₄×C₅	1	1	yes	characteristic, complemented
143	#493	C₄×C₅	1	1	yes	characteristic, complemented
144	#492	C₄×C₅	1	2	yes	complemented
145	#444	—	2	8	no	—
146	#443	—	2	8	no	—
147	#435	—	2	8	no	—
148	C₂×#108	C₂²×C₅	1	2	yes	—
149	C₂×#108	C₂²×C₅	1	2	yes	—
150	#423	C₂²×C₅	1	2	yes	—
151	C₂×#104	C₂²×C₅	1	4	yes	—
152	C₂×#104	C₂²×C₅	1	4	yes	—
153	#408	C₂²×C₅	1	4	yes	—
154	C₂×#97	C₂²×C₅	1	1	yes	characteristic
155	C₂×#97	C₂²×C₅	1	1	yes	characteristic
156	C₂×#97	C₂²×C₅	1	1	yes	characteristic
157	C₂×C₄×C₈	C₂²×C₅	1	1	yes	characteristic
158	C₂×C₄×C₈	C₂²×C₅	1	1	yes	characteristic
159	C₂×C₄×C₈	C₂²×C₅	1	1	yes	characteristic
160	#376	C₂²×C₅	1	1	yes	characteristic
161	C₂³×C₅	—	2	4	no	—
162	C₂³×C₅	C₂×#41	1	1	yes	characteristic
163	C₅×Q₈	—	2	4	no	—
164	C₅×Q₈	—	2	4	no	—
165	C₅×D₄	—	2	4	no	—
166	C₅×D₄	—	2	4	no	—
167	C₅×D₄	—	4	4	no	—
168	C₅×D₄	—	4	4	no	—
169	C₅×D₄	—	8	4	no	—
170	C₂×C₄×C₅	—	2	4	no	—
171	C₂×C₄×C₅	—	2	2	no	—
172	C₂×C₄×C₅	—	2	2	no	—
173	C₂×C₄×C₅	—	4	2	no	—
174	C₂×C₄×C₅	—	4	2	no	—
175	C₂×C₄×C₅	—	4	2	no	—
176	C₂×C₄×C₅	—	4	4	no	—
177	C₂×C₄×C₅	—	4	4	no	—
178	C₂×C₄×C₅	C₄×D₄	1	2	yes	—
179	C₂×C₄×C₅	C₄×D₄	1	2	yes	—
180	C₂×C₄×C₅	C₂³×C₄	1	1	yes	characteristic
181	C₂×C₄×C₅	C₂²×D₄	1	1	yes	characteristic
182	C₂×C₄×C₅	C₂²×D₄	1	1	yes	characteristic
183	C₂×C₄×C₅	C₂²×D₄	1	1	yes	characteristic
184	C₂×C₄×C₅	C₂×#41	1	1	yes	characteristic
185	C₂×C₄×C₅	C₂×#41	1	1	yes	characteristic
186	C₅×C₈	—	2	2	no	—
187	C₅×C₈	—	4	4	no	—
188	C₅×C₈	C₄×D₄	1	2	yes	—
189	C₅×C₈	C₄×D₄	1	2	yes	—
190	C₅×C₈	C₄×D₄	1	2	yes	—
191	C₅×C₈	C₄×D₄	1	2	yes	—
192	C₅×C₈	#127	1	4	yes	—
193	C₂×#41	C₂³×C₅	1	4	yes	—
194	#135	—	2	4	no	—
195	#135	—	2	4	no	—
196	#135	—	2	4	no	—
197	#135	—	2	4	no	—
198	C₂×Q₁₆	C₂×C₄×C₅	1	2	yes	—
199	C₂×Q₁₆	C₂×C₄×C₅	1	2	yes	—
200	C₂×SD₁₆	C₂×C₄×C₅	1	4	yes	—
201	C₂×SD₁₆	C₂×C₄×C₅	1	4	yes	—
202	C₂×D₈	C₂×C₄×C₅	1	2	yes	—
203	C₂×D₈	C₂×C₄×C₅	1	2	yes	—
204	#131	—	2	8	no	—
205	#131	—	2	8	no	—
206	C₂×M₁₆	—	2	4	no	—
207	C₂×M₁₆	C₂³×C₅	1	4	yes	—
208	C₂²×C₈	—	2	4	no	—
209	C₂²×C₈	C₂³×C₅	1	1	yes	characteristic
210	C₂²×C₈	C₂³×C₅	1	1	yes	characteristic
211	C₂²×C₈	C₂³×C₅	1	1	yes	characteristic
212	C₂²×C₈	C₂³×C₅	1	1	yes	characteristic
213	C₄⋊Q₈	C₂×C₄×C₅	1	2	yes	—
214	#127	C₂×C₄×C₅	1	2	yes	—
215	#124	C₂×C₄×C₅	1	4	yes	—
216	#121	—	2	4	no	—
217	C₄×D₄	—	2	4	no	—
218	C₂×C₄²	C₂³×C₅	1	1	yes	characteristic
219	C₂×C₄²	C₂³×C₅	1	1	yes	characteristic
220	C₂×C₄²	C₂³×C₅	1	1	yes	characteristic
221	#108	—	2	4	no	—
222	#108	—	2	4	no	—
223	C₄⋊C₈	—	2	4	no	—
224	#104	—	2	8	no	—
225	#104	—	2	8	no	—
226	C₂²⋊C₈	—	2	8	no	—
227	#97	—	2	2	no	—
228	#97	C₅×D₄	1	4	yes	—
229	#97	C₅×D₄	1	4	yes	complemented
230	C₄×C₈	—	2	2	no	—
231	C₄×C₈	C₂×C₄×C₅	1	1	yes	characteristic
232	C₄×C₈	C₂×C₄×C₅	1	1	yes	characteristic
233	C₄×C₈	C₂×C₄×C₅	1	1	yes	characteristic
234	C₄×C₈	C₂×C₄×C₅	1	1	yes	characteristic
235	C₄×C₈	C₅×D₄	1	4	yes	complemented
236	#95	—	2	2	no	—
237	C₂²×C₅	—	2	2	no	—
238	C₂²×C₅	—	4	4	no	—
239	C₂²×C₅	—	4	8	no	—
240	C₂²×C₅	C₂×C₄×D₄	1	1	yes	characteristic
241	C₂²×C₅	#532	1	1	yes	characteristic
242	C₂²×C₅	#532	1	1	yes	characteristic
243	C₄×C₅	—	2	2	no	—
244	C₄×C₅	—	2	2	no	—
245	C₄×C₅	—	4	2	no	—
246	C₄×C₅	—	4	2	no	—
247	C₄×C₅	—	4	4	no	—
248	C₄×C₅	C₂×C₄×D₄	1	1	yes	characteristic
249	C₄×C₅	C₂×C₄×D₄	1	1	yes	characteristic
250	C₄×C₅	C₂×#127	1	1	yes	characteristic
251	C₄×C₅	#532	1	1	yes	characteristic
252	#41	—	2	4	no	—
253	#41	—	2	4	no	—
254	#41	—	2	4	no	—
255	#41	—	2	4	no	—
256	C₂×Q₈	C₂²×C₄×C₅	1	4	yes	—
257	C₂×D₄	—	2	4	no	—
258	C₂×D₄	—	2	4	no	—
259	C₂×D₄	C₂²×C₄×C₅	1	4	yes	—
260	C₂²×C₄	—	2	1	no	—
261	C₂²×C₄	—	2	1	no	—
262	C₂²×C₄	—	2	4	no	—
263	C₂²×C₄	C₅×#41	1	2	yes	—
264	C₂²×C₄	C₂⁴×C₅	1	1	yes	characteristic
265	Q₁₆	—	2	4	no	—
266	Q₁₆	—	2	4	no	—
267	SD₁₆	—	2	8	no	—
268	SD₁₆	—	2	8	no	—
269	D₈	—	2	4	no	—
270	D₈	—	2	4	no	—
271	M₁₆	—	2	4	no	—
272	M₁₆	—	2	4	no	—
273	M₁₆	—	4	8	no	—
274	C₂×C₈	—	2	1	no	—
275	C₂×C₈	—	2	1	no	—
276	C₂×C₈	—	2	4	no	—
277	C₂×C₈	—	4	8	no	—
278	C₂×C₈	C₂²×C₄×C₅	1	1	yes	characteristic
279	C₂×C₈	C₂²×C₄×C₅	1	1	yes	characteristic
280	C₂×C₈	C₂²×C₄×C₅	1	1	yes	characteristic
281	C₂×C₈	C₂²×C₄×C₅	1	1	yes	characteristic
282	C₂×C₈	C₂×C₅×D₄	1	2	yes	—
283	C₂×C₈	C₂×C₅×D₄	1	2	yes	—
284	C₂×C₈	C₂×C₅×D₄	1	2	yes	—
285	C₂×C₈	C₂×C₅×D₄	1	2	yes	—
286	C₂×C₈	C₂×C₅×D₄	1	2	yes	—
287	C₂×C₈	C₂×C₅×D₄	1	2	yes	—
288	C₂×C₈	C₅×#41	1	2	yes	—
289	C₂×C₈	C₅×#41	1	2	yes	—
290	C₄⋊C₄	—	2	4	no	—
291	C₂²⋊C₄	—	2	8	no	—
292	C₄²	—	2	1	no	—
293	C₄²	—	2	1	no	—
294	C₄²	C₂²×C₄×C₅	1	1	yes	characteristic
295	C₄²	C₂²×C₄×C₅	1	1	yes	characteristic
296	C₄²	C₂×C₅×D₄	1	2	yes	—
297	C₄²	C₂×C₅×D₄	1	2	yes	—
298	C₄²	C₂×C₅×D₄	1	2	yes	—
299	C₂×C₅	—	2	1	no	—
300	C₂×C₅	—	2	1	no	—
301	C₂×C₅	—	8	4	no	—
302	C₂×C₅	C₄×#127	1	1	yes	characteristic
303	C₂×C₅	#2957	1	2	yes	—
304	C₂³	—	2	4	no	—
305	C₂³	C₂×C₅×#41	1	1	yes	characteristic
306	Q₈	—	2	4	no	—
307	Q₈	—	2	4	no	—
308	D₄	—	2	4	no	—
309	D₄	—	2	4	no	—
310	D₄	—	4	4	no	—
311	D₄	—	4	4	no	—
312	D₄	—	8	4	no	—
313	C₂×C₄	—	2	4	no	—
314	C₂×C₄	—	2	2	no	—
315	C₂×C₄	—	2	2	no	—
316	C₂×C₄	—	4	2	no	—
317	C₂×C₄	—	4	2	no	—
318	C₂×C₄	—	4	2	no	—
319	C₂×C₄	—	4	4	no	—
320	C₂×C₄	—	4	4	no	—
321	C₂×C₄	C₄×C₅×D₄	1	2	yes	—
322	C₂×C₄	C₄×C₅×D₄	1	2	yes	—
323	C₂×C₄	C₂³×C₄×C₅	1	1	yes	characteristic
324	C₂×C₄	C₂²×C₅×D₄	1	1	yes	characteristic
325	C₂×C₄	C₂²×C₅×D₄	1	1	yes	characteristic
326	C₂×C₄	C₂²×C₅×D₄	1	1	yes	characteristic
327	C₂×C₄	C₂×C₅×#41	1	1	yes	characteristic
328	C₂×C₄	C₂×C₅×#41	1	1	yes	characteristic
329	C₈	—	2	2	no	—
330	C₈	—	4	4	no	—
331	C₈	C₄×C₅×D₄	1	2	yes	—
332	C₈	C₄×C₅×D₄	1	2	yes	—
333	C₈	C₄×C₅×D₄	1	2	yes	—
334	C₈	C₄×C₅×D₄	1	2	yes	—
335	C₈	C₅×#127	1	4	yes	—
336	C₅	#21707	1	1	yes	characteristic, direct product factor, Sylow
337	C₂²	—	2	2	no	—
338	C₂²	—	4	4	no	—
339	C₂²	—	4	8	no	—
340	C₂²	C₂×C₄×C₅×D₄	1	1	yes	characteristic
341	C₂²	C₅×#532	1	1	yes	characteristic
342	C₂²	C₅×#532	1	1	yes	characteristic
343	C₄	—	2	2	no	—
344	C₄	—	2	2	no	—
345	C₄	—	4	2	no	—
346	C₄	—	4	2	no	—
347	C₄	—	4	4	no	—
348	C₄	C₂×C₄×C₅×D₄	1	1	yes	characteristic
349	C₄	C₂×C₄×C₅×D₄	1	1	yes	characteristic
350	C₄	C₂×C₅×#127	1	1	yes	characteristic
351	C₄	C₅×#532	1	1	yes	characteristic
352	C₂	—	2	1	no	—
353	C₂	—	2	1	no	—
354	C₂	—	8	4	no	—
355	C₂	C₄×C₅×#127	1	1	yes	characteristic
356	C₂	C₅×#2957	1	2	yes	—

	subgroup	G/H
center	C₂×C₄×C₅	C₂²×D₄
commutator	C₂×C₄	C₂³×C₄×C₅
Frattini, cosocle	C₂²×C₄	C₂⁴×C₅
socle	C₂²×C₅	C₂×C₄×D₄
prime radical	C₅×#3147	C₂
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂×C₄×C₅ ◁ C₂×C₅×#97 ◁ G

Complements

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

N	H ≅ G/N	type
2. C₂×C₅×#444	C₂	semidirect
3. C₂×C₅×#443	C₂	semidirect
4. C₅×#2932	C₂	semidirect
5. C₅×#1975	C₂	semidirect
6. C₅×#1974	C₂	semidirect
7. C₅×#1963	C₂	semidirect
8. C₅×#1848	C₂	semidirect
9. C₅×#1726	C₂	semidirect
14. C₅×#495	C₄	semidirect
15. C₅×#495	C₄	semidirect
16. C₅×#494	C₄	semidirect
17. C₅×#493	C₄	semidirect
18. C₅×#492	C₄	semidirect
35. #21707	C₅	direct (N × H)
72. C₅×#97	D₄	semidirect
78. C₄×C₅×C₈	D₄	semidirect
81. C₂×#444	C₂×C₅	semidirect
82. C₂×#443	C₂×C₅	semidirect
83. #2932	C₂×C₅	semidirect
84. #1975	C₂×C₅	semidirect
85. #1974	C₂×C₅	semidirect
86. #1963	C₂×C₅	semidirect
87. #1848	C₂×C₅	semidirect
88. #1726	C₂×C₅	semidirect
140. #495	C₄×C₅	semidirect
141. #495	C₄×C₅	semidirect
142. #494	C₄×C₅	semidirect
143. #493	C₄×C₅	semidirect
144. #492	C₄×C₅	semidirect
229. #97	C₅×D₄	semidirect
235. C₄×C₈	C₅×D₄	semidirect
336. C₅	#21707	direct (N × H)

Maximal subgroups

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

subgroup	index
C₅×#3147	2
C₂×C₅×#444	2
C₂×C₅×#443	2
C₅×#2932	2
C₅×#1975	2
C₅×#1974	2
C₅×#1963	2
C₅×#1848	2
C₅×#1726	2
#21707	5

Subgroups — C5×#21707 #11944427

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₅×#21707 #11944427