Subgroups — C₁₇×#33866 #16891610

Order 4352.

548 conjugacy classes of subgroups.

The subgroup lattice has 350 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₁₇×#3338	C₂	1	1	yes	maximal, characteristic
2	D₄×Q₁₆×C₁₇	C₂	1	1	yes	maximal, characteristic
3	C₁₇×#2241	C₂	1	1	yes	maximal, characteristic, complemented
4	C₁₇×#2236	C₂	1	2	yes	maximal, complemented
5	C₁₇×#2227	C₂	1	1	yes	maximal, characteristic, complemented
6	C₁₇×#2216	C₂	1	2	yes	maximal, complemented
7	C₁₇×#2209	C₂	1	1	yes	maximal, characteristic, complemented
8	C₁₇×#2188	C₂	1	2	yes	maximal, complemented
9	C₄×C₁₇×Q₃₂	C₂	1	1	yes	maximal, characteristic, complemented
10	D₄×C₁₆×C₁₇	C₂	1	1	yes	maximal, characteristic
11	C₂×C₁₇×#358	C₂	1	2	yes	maximal, complemented
12	C₂²×Q₁₆×C₁₇	C₂²	1	2	yes	—
13	C₁₇×#554	—	2	1	no	—
14	D₄×Q₈×C₁₇	—	2	1	no	—
15	C₂×C₁₇×Q₃₂	C₂²	1	1	yes	characteristic
16	C₂×C₁₇×Q₃₂	C₂²	1	2	yes	—
17	C₂²×C₁₆×C₁₇	C₂²	1	2	yes	—
18	C₁₇×#500	C₂²	1	1	yes	characteristic
19	C₁₇×#494	C₂²	1	1	yes	characteristic
20	C₁₇×#484	—	2	2	no	—
21	C₁₇×#477	—	2	1	no	—
22	C₁₇×#467	C₂²	1	2	yes	—
23	C₁₇×#467	C₂²	1	2	yes	—
24	C₁₇×#462	—	2	1	no	—
25	C₁₇×#451	—	2	2	no	—
26	C₄×Q₁₆×C₁₇	C₂²	1	1	yes	characteristic
27	C₄×Q₁₆×C₁₇	C₂²	1	1	yes	characteristic
28	C₈×D₄×C₁₇	C₂²	1	1	yes	characteristic
29	C₂×C₁₇×#107	C₂²	1	2	yes	—
30	C₁₇×#366	C₂²	1	2	yes	—
31	C₁₇×#366	C₂²	1	1	yes	characteristic
32	C₁₇×C₄⋊C₁₆	C₂²	1	1	yes	characteristic
33	C₁₇×#358	C₂²	1	2	yes	—
34	C₁₇×#358	C₂²	1	2	yes	—
35	C₁₇×#358	C₂²	1	2	yes	—
36	C₁₇×#358	C₂²	1	1	yes	characteristic
37	C₁₇×#358	C₂²	1	2	yes	—
38	C₁₇×#358	C₂²	1	1	yes	characteristic
39	C₁₇×C₂²⋊C₁₆	C₂²	1	2	yes	—
40	C₄×C₁₆×C₁₇	C₂²	1	1	yes	characteristic
41	C₂²×Q₈×C₁₇	—	2	2	no	—
42	C₂×Q₁₆×C₁₇	—	2	4	no	—
43	C₂×Q₁₆×C₁₇	—	2	2	no	—
44	C₂×Q₁₆×C₁₇	—	2	1	no	—
45	C₂×Q₁₆×C₁₇	—	4	2	no	—
46	C₂×Q₁₆×C₁₇	C₂³	1	2	yes	—
47	C₂×Q₁₆×C₁₇	C₂³	1	1	yes	characteristic
48	C₂×Q₁₆×C₁₇	C₂³	1	1	yes	characteristic
49	C₂²×C₈×C₁₇	C₂³	1	2	yes	—
50	C₁₇×C₄⋊Q₈	—	2	1	no	—
51	C₁₇×C₄⋊Q₈	—	2	1	no	—
52	C₁₇×C₄⋊Q₈	—	4	1	no	—
53	C₁₇×#125	—	4	1	no	—
54	C₁₇×C₂²⋊Q₈	—	2	2	no	—
55	C₁₇×C₂²⋊Q₈	—	2	2	no	—
56	C₁₇×C₂²⋊Q₈	—	4	2	no	—
57	C₁₇×C₂²⋊Q₈	—	4	2	no	—
58	C₄×Q₈×C₁₇	—	2	1	no	—
59	C₄×Q₈×C₁₇	—	2	1	no	—
60	C₄×D₄×C₁₇	—	4	1	no	—
61	C₄×D₄×C₁₇	—	4	1	no	—
62	C₄×D₄×C₁₇	D₄	1	1	yes	characteristic
63	C₂×C₄⋊C₄×C₁₇	—	2	2	no	—
64	C₁₇×Q₃₂	—	2	2	no	—
65	C₁₇×Q₃₂	—	4	2	no	—
66	C₂×C₁₆×C₁₇	—	4	2	no	—
67	C₂×C₁₆×C₁₇	C₂³	1	1	yes	characteristic
68	C₂×C₁₆×C₁₇	C₂³	1	2	yes	—
69	C₂×C₁₆×C₁₇	C₂³	1	1	yes	characteristic
70	C₁₇×#107	—	2	1	no	—
71	C₁₇×#107	—	2	2	no	—
72	C₁₇×#107	C₂³	1	2	yes	—
73	C₁₇×#107	C₂³	1	1	yes	characteristic
74	C₁₇×#107	C₂³	1	1	yes	characteristic
75	C₁₇×C₄⋊C₈	D₄	1	1	yes	characteristic
76	C₁₇×#103	—	2	1	no	—
77	C₁₇×#103	—	2	1	no	—
78	C₁₇×#103	—	2	2	no	—
79	C₁₇×#103	—	2	2	no	—
80	C₁₇×C₂²⋊C₈	D₄	1	2	yes	—
81	C₄×C₈×C₁₇	C₂³	1	1	yes	characteristic
82	C₂×Q₈×C₁₇	—	2	1	no	—
83	C₂×Q₈×C₁₇	—	2	1	no	—
84	C₂×Q₈×C₁₇	—	2	2	no	—
85	C₂×Q₈×C₁₇	—	4	4	no	—
86	C₂×Q₈×C₁₇	—	4	2	no	—
87	C₂×Q₈×C₁₇	—	4	1	no	—
88	C₂×Q₈×C₁₇	—	8	2	no	—
89	C₂×D₄×C₁₇	D₈	1	1	yes	characteristic
90	C₂²×C₄×C₁₇	—	4	2	no	—
91	C₂²×C₄×C₁₇	—	4	2	no	—
92	C₂²×C₄×C₁₇	C₂×D₄	1	2	yes	—
93	Q₁₆×C₁₇	—	2	2	no	—
94	Q₁₆×C₁₇	—	2	1	no	—
95	Q₁₆×C₁₇	—	2	1	no	—
96	Q₁₆×C₁₇	—	2	2	no	—
97	Q₁₆×C₁₇	—	2	1	no	—
98	Q₁₆×C₁₇	—	4	4	no	—
99	Q₁₆×C₁₇	—	8	1	no	—
100	Q₁₆×C₁₇	#41	1	2	yes	—
101	C₂×C₈×C₁₇	—	2	2	no	—
102	C₂×C₈×C₁₇	—	2	2	no	—
103	C₂×C₈×C₁₇	C₂×D₄	1	2	yes	—
104	C₂×C₈×C₁₇	C₂×D₄	1	1	yes	characteristic
105	C₂×C₈×C₁₇	C₂⁴	1	1	yes	characteristic
106	C₄⋊C₄×C₁₇	—	2	1	no	—
107	C₄⋊C₄×C₁₇	—	2	2	no	—
108	C₄⋊C₄×C₁₇	—	2	1	no	—
109	C₄⋊C₄×C₁₇	—	4	2	no	—
110	C₄⋊C₄×C₁₇	—	4	2	no	—
111	C₄⋊C₄×C₁₇	—	4	1	no	—
112	C₄⋊C₄×C₁₇	—	4	1	no	—
113	C₄⋊C₄×C₁₇	—	4	1	no	—
114	C₄⋊C₄×C₁₇	—	4	2	no	—
115	C₄⋊C₄×C₁₇	—	4	1	no	—
116	C₄⋊C₄×C₁₇	—	4	1	no	—
117	C₄⋊C₄×C₁₇	D₈	1	1	yes	characteristic
118	C₂²⋊C₄×C₁₇	—	4	2	no	—
119	C₂²⋊C₄×C₁₇	—	4	2	no	—
120	C₂²⋊C₄×C₁₇	D₈	1	2	yes	—
121	C₄²×C₁₇	—	4	1	no	—
122	C₄²×C₁₇	—	4	1	no	—
123	C₄²×C₁₇	C₂×D₄	1	1	yes	characteristic
124	C₁₆×C₁₇	—	2	1	no	—
125	C₁₆×C₁₇	—	2	1	no	—
126	C₁₆×C₁₇	—	2	2	no	—
127	#33866	C₁₇	1	1	yes	maximal, characteristic, direct product factor, Sylow
128	C₂³×C₁₇	C₂×D₈	1	2	yes	—
129	Q₈×C₁₇	—	2	2	no	—
130	Q₈×C₁₇	—	4	1	no	—
131	Q₈×C₁₇	—	4	2	no	—
132	Q₈×C₁₇	—	4	1	no	—
133	Q₈×C₁₇	—	4	2	no	—
134	Q₈×C₁₇	—	4	1	no	—
135	Q₈×C₁₇	—	8	4	no	—
136	Q₈×C₁₇	—	16	1	no	—
137	D₄×C₁₇	Q₃₂	1	4	yes	complemented
138	C₂×C₄×C₁₇	—	2	2	no	—
139	C₂×C₄×C₁₇	—	2	2	no	—
140	C₂×C₄×C₁₇	—	4	1	no	—
141	C₂×C₄×C₁₇	—	4	1	no	—
142	C₂×C₄×C₁₇	—	4	1	no	—
143	C₂×C₄×C₁₇	—	4	1	no	—
144	C₂×C₄×C₁₇	—	4	2	no	—
145	C₂×C₄×C₁₇	—	4	2	no	—
146	C₂×C₄×C₁₇	—	8	4	no	—
147	C₂×C₄×C₁₇	—	16	2	no	—
148	C₂×C₄×C₁₇	C₂×D₈	1	1	yes	characteristic
149	C₂×C₄×C₁₇	C₂×D₈	1	2	yes	—
150	C₂×C₄×C₁₇	C₂×D₈	1	1	yes	characteristic
151	C₂×C₄×C₁₇	C₂²×D₄	1	1	yes	characteristic
152	C₈×C₁₇	—	2	2	no	—
153	C₈×C₁₇	—	2	1	no	—
154	C₈×C₁₇	C₂×#41	1	1	yes	characteristic
155	C₈×C₁₇	H(5,𝔽₂)	1	1	yes	characteristic
156	#3338	C₂×C₁₇	1	1	yes	characteristic
157	D₄×Q₁₆	C₂×C₁₇	1	1	yes	characteristic
158	#2241	C₂×C₁₇	1	1	yes	characteristic, complemented
159	#2236	C₂×C₁₇	1	2	yes	complemented
160	#2227	C₂×C₁₇	1	1	yes	characteristic, complemented
161	#2216	C₂×C₁₇	1	2	yes	complemented
162	#2209	C₂×C₁₇	1	1	yes	characteristic, complemented
163	#2188	C₂×C₁₇	1	2	yes	complemented
164	C₄×Q₃₂	C₂×C₁₇	1	1	yes	characteristic, complemented
165	D₄×C₁₆	C₂×C₁₇	1	1	yes	characteristic
166	C₂×#358	C₂×C₁₇	1	2	yes	complemented
167	C₂²×C₁₇	—	2	2	no	—
168	C₂²×C₁₇	—	2	2	no	—
169	C₂²×C₁₇	C₂×Q₃₂	1	4	yes	—
170	C₂²×C₁₇	C₂²×D₈	1	1	yes	characteristic
171	C₄×C₁₇	—	2	1	no	—
172	C₄×C₁₇	—	2	2	no	—
173	C₄×C₁₇	—	4	2	no	—
174	C₄×C₁₇	—	8	1	no	—
175	C₄×C₁₇	—	8	1	no	—
176	C₄×C₁₇	—	8	2	no	—
177	C₄×C₁₇	—	8	2	no	—
178	C₄×C₁₇	—	8	1	no	—
179	C₄×C₁₇	C₂×Q₃₂	1	2	yes	—
180	C₄×C₁₇	#546	1	1	yes	characteristic
181	C₄×C₁₇	#577	1	1	yes	characteristic
182	C₂²×Q₁₆	C₂²×C₁₇	1	2	yes	—
183	#554	—	2	1	no	—
184	D₄×Q₈	—	2	1	no	—
185	C₂×Q₃₂	C₂²×C₁₇	1	1	yes	characteristic
186	C₂×Q₃₂	C₂²×C₁₇	1	2	yes	—
187	C₂²×C₁₆	C₂²×C₁₇	1	2	yes	—
188	#500	C₂²×C₁₇	1	1	yes	characteristic
189	#494	C₂²×C₁₇	1	1	yes	characteristic
190	#484	—	2	2	no	—
191	#477	—	2	1	no	—
192	#467	C₂²×C₁₇	1	2	yes	—
193	#467	C₂²×C₁₇	1	2	yes	—
194	#462	—	2	1	no	—
195	#451	—	2	2	no	—
196	C₄×Q₁₆	C₂²×C₁₇	1	1	yes	characteristic
197	C₄×Q₁₆	C₂²×C₁₇	1	1	yes	characteristic
198	C₈×D₄	C₂²×C₁₇	1	1	yes	characteristic
199	C₂×#107	C₂²×C₁₇	1	2	yes	—
200	#366	C₂²×C₁₇	1	1	yes	characteristic
201	#366	C₂²×C₁₇	1	2	yes	—
202	C₄⋊C₁₆	C₂²×C₁₇	1	1	yes	characteristic
203	#358	C₂²×C₁₇	1	1	yes	characteristic
204	#358	C₂²×C₁₇	1	2	yes	—
205	#358	C₂²×C₁₇	1	2	yes	—
206	#358	C₂²×C₁₇	1	2	yes	—
207	#358	C₂²×C₁₇	1	1	yes	characteristic
208	#358	C₂²×C₁₇	1	2	yes	—
209	C₂²⋊C₁₆	C₂²×C₁₇	1	2	yes	—
210	C₄×C₁₆	C₂²×C₁₇	1	1	yes	characteristic
211	C₂×C₁₇	—	2	4	no	—
212	C₂×C₁₇	#3294	1	1	yes	characteristic
213	C₂×C₁₇	C₂²×Q₃₂	1	1	yes	characteristic
214	C₂×C₁₇	#3416	1	1	yes	characteristic
215	C₂²×Q₈	—	2	2	no	—
216	C₂×Q₁₆	—	2	4	no	—
217	C₂×Q₁₆	—	2	2	no	—
218	C₂×Q₁₆	—	2	1	no	—
219	C₂×Q₁₆	—	4	2	no	—
220	C₂×Q₁₆	C₂³×C₁₇	1	2	yes	—
221	C₂×Q₁₆	C₂³×C₁₇	1	1	yes	characteristic
222	C₂×Q₁₆	C₂³×C₁₇	1	1	yes	characteristic
223	C₂²×C₈	C₂³×C₁₇	1	2	yes	—
224	C₄⋊Q₈	—	2	1	no	—
225	C₄⋊Q₈	—	2	1	no	—
226	C₄⋊Q₈	—	4	1	no	—
227	#125	—	4	1	no	—
228	C₂²⋊Q₈	—	2	2	no	—
229	C₂²⋊Q₈	—	2	2	no	—
230	C₂²⋊Q₈	—	4	2	no	—
231	C₂²⋊Q₈	—	4	2	no	—
232	C₄×Q₈	—	2	1	no	—
233	C₄×Q₈	—	2	1	no	—
234	C₄×D₄	—	4	1	no	—
235	C₄×D₄	—	4	1	no	—
236	C₄×D₄	D₄×C₁₇	1	1	yes	characteristic
237	C₂×C₄⋊C₄	—	2	2	no	—
238	Q₃₂	—	2	2	no	—
239	Q₃₂	—	4	2	no	—
240	C₂×C₁₆	—	4	2	no	—
241	C₂×C₁₆	C₂³×C₁₇	1	1	yes	characteristic
242	C₂×C₁₆	C₂³×C₁₇	1	1	yes	characteristic
243	C₂×C₁₆	C₂³×C₁₇	1	2	yes	—
244	#107	—	2	2	no	—
245	#107	—	2	1	no	—
246	#107	C₂³×C₁₇	1	1	yes	characteristic
247	#107	C₂³×C₁₇	1	2	yes	—
248	#107	C₂³×C₁₇	1	1	yes	characteristic
249	C₄⋊C₈	D₄×C₁₇	1	1	yes	characteristic
250	#103	—	2	1	no	—
251	#103	—	2	1	no	—
252	#103	—	2	2	no	—
253	#103	—	2	2	no	—
254	C₂²⋊C₈	D₄×C₁₇	1	2	yes	—
255	C₄×C₈	C₂³×C₁₇	1	1	yes	characteristic
256	C₁₇	#33866	1	1	yes	characteristic, direct product factor, Sylow
257	C₂×Q₈	—	2	1	no	—
258	C₂×Q₈	—	2	1	no	—
259	C₂×Q₈	—	2	2	no	—
260	C₂×Q₈	—	4	4	no	—
261	C₂×Q₈	—	4	2	no	—
262	C₂×Q₈	—	4	1	no	—
263	C₂×Q₈	—	8	2	no	—
264	C₂×D₄	D₈×C₁₇	1	1	yes	characteristic
265	C₂²×C₄	—	4	2	no	—
266	C₂²×C₄	—	4	2	no	—
267	C₂²×C₄	C₂×D₄×C₁₇	1	2	yes	—
268	Q₁₆	—	2	1	no	—
269	Q₁₆	—	2	2	no	—
270	Q₁₆	—	2	1	no	—
271	Q₁₆	—	2	1	no	—
272	Q₁₆	—	2	2	no	—
273	Q₁₆	—	4	4	no	—
274	Q₁₆	—	8	1	no	—
275	Q₁₆	#41×C₁₇	1	2	yes	—
276	C₂×C₈	—	2	2	no	—
277	C₂×C₈	—	2	2	no	—
278	C₂×C₈	C₂×D₄×C₁₇	1	1	yes	characteristic
279	C₂×C₈	C₂×D₄×C₁₇	1	2	yes	—
280	C₂×C₈	C₂⁴×C₁₇	1	1	yes	characteristic
281	C₄⋊C₄	—	2	1	no	—
282	C₄⋊C₄	—	2	1	no	—
283	C₄⋊C₄	—	2	2	no	—
284	C₄⋊C₄	—	4	2	no	—
285	C₄⋊C₄	—	4	1	no	—
286	C₄⋊C₄	—	4	1	no	—
287	C₄⋊C₄	—	4	1	no	—
288	C₄⋊C₄	—	4	1	no	—
289	C₄⋊C₄	—	4	2	no	—
290	C₄⋊C₄	—	4	2	no	—
291	C₄⋊C₄	—	4	1	no	—
292	C₄⋊C₄	D₈×C₁₇	1	1	yes	characteristic
293	C₂²⋊C₄	—	4	2	no	—
294	C₂²⋊C₄	—	4	2	no	—
295	C₂²⋊C₄	D₈×C₁₇	1	2	yes	—
296	C₄²	—	4	1	no	—
297	C₄²	—	4	1	no	—
298	C₄²	C₂×D₄×C₁₇	1	1	yes	characteristic
299	C₁₆	—	2	1	no	—
300	C₁₆	—	2	1	no	—
301	C₁₆	—	2	2	no	—
302	C₂³	C₂×D₈×C₁₇	1	2	yes	—
303	Q₈	—	2	2	no	—
304	Q₈	—	4	1	no	—
305	Q₈	—	4	2	no	—
306	Q₈	—	4	1	no	—
307	Q₈	—	4	2	no	—
308	Q₈	—	4	1	no	—
309	Q₈	—	8	4	no	—
310	Q₈	—	16	1	no	—
311	D₄	C₁₇×Q₃₂	1	4	yes	complemented
312	C₂×C₄	—	2	2	no	—
313	C₂×C₄	—	2	2	no	—
314	C₂×C₄	—	4	1	no	—
315	C₂×C₄	—	4	1	no	—
316	C₂×C₄	—	4	1	no	—
317	C₂×C₄	—	4	1	no	—
318	C₂×C₄	—	4	2	no	—
319	C₂×C₄	—	4	2	no	—
320	C₂×C₄	—	8	4	no	—
321	C₂×C₄	—	16	2	no	—
322	C₂×C₄	C₂×D₈×C₁₇	1	1	yes	characteristic
323	C₂×C₄	C₂×D₈×C₁₇	1	2	yes	—
324	C₂×C₄	C₂×D₈×C₁₇	1	1	yes	characteristic
325	C₂×C₄	C₂²×D₄×C₁₇	1	1	yes	characteristic
326	C₈	—	2	2	no	—
327	C₈	—	2	1	no	—
328	C₈	C₂×#41×C₁₇	1	1	yes	characteristic
329	C₈	C₁₇×H(5,𝔽₂)	1	1	yes	characteristic
330	C₂²	—	2	2	no	—
331	C₂²	—	2	2	no	—
332	C₂²	C₂×C₁₇×Q₃₂	1	4	yes	—
333	C₂²	C₂²×D₈×C₁₇	1	1	yes	characteristic
334	C₄	—	2	2	no	—
335	C₄	—	2	1	no	—
336	C₄	—	4	2	no	—
337	C₄	—	8	2	no	—
338	C₄	—	8	1	no	—
339	C₄	—	8	1	no	—
340	C₄	—	8	2	no	—
341	C₄	—	8	1	no	—
342	C₄	C₂×C₁₇×Q₃₂	1	2	yes	—
343	C₄	C₁₇×#546	1	1	yes	characteristic
344	C₄	C₁₇×#577	1	1	yes	characteristic
345	C₂	—	2	4	no	—
346	C₂	C₁₇×#3294	1	1	yes	characteristic
347	C₂	C₂²×C₁₇×Q₃₂	1	1	yes	characteristic
348	C₂	C₁₇×#3416	1	1	yes	characteristic

	subgroup	G/H
center, socle	C₂²×C₁₇	C₂²×D₈
commutator, Frattini, cosocle	C₂×C₈	C₂⁴×C₁₇
prime radical	C₂×D₄×C₁₇	D₈
LCS	G ▷ C₂×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₁₇ ◁ C₄×D₄×C₁₇ ◁ C₈×D₄×C₁₇ ◁ G

Complements

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

N	H ≅ G/N	type
3. C₁₇×#2241	C₂	semidirect
4. C₁₇×#2236	C₂	semidirect
5. C₁₇×#2227	C₂	semidirect
6. C₁₇×#2216	C₂	semidirect
7. C₁₇×#2209	C₂	semidirect
8. C₁₇×#2188	C₂	semidirect
9. C₄×C₁₇×Q₃₂	C₂	semidirect
11. C₂×C₁₇×#358	C₂	semidirect
127. #33866	C₁₇	direct (N × H)
137. D₄×C₁₇	Q₃₂	semidirect
158. #2241	C₂×C₁₇	semidirect
159. #2236	C₂×C₁₇	semidirect
160. #2227	C₂×C₁₇	semidirect
161. #2216	C₂×C₁₇	semidirect
162. #2209	C₂×C₁₇	semidirect
163. #2188	C₂×C₁₇	semidirect
164. C₄×Q₃₂	C₂×C₁₇	semidirect
166. C₂×#358	C₂×C₁₇	semidirect
256. C₁₇	#33866	direct (N × H)
311. D₄	C₁₇×Q₃₂	semidirect

Maximal subgroups

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

subgroup	index
C₁₇×#3338	2
D₄×Q₁₆×C₁₇	2
C₁₇×#2241	2
C₁₇×#2236	2
C₁₇×#2227	2
C₁₇×#2216	2
C₁₇×#2209	2
C₁₇×#2188	2
C₄×C₁₇×Q₃₂	2
D₄×C₁₆×C₁₇	2
C₂×C₁₇×#358	2
#33866	17

Subgroups — C17×#33866 #16891610

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₁₇×#33866 #16891610