Subgroups — C₃₁×#33587 #21490346

Order 7936.

712 conjugacy classes of subgroups.

The subgroup lattice has 354 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂×C₃₁×#510	C₂	1	1	yes	maximal, characteristic, complemented
2	C₂²×C₃₁×SD₃₂	C₂	1	1	yes	maximal, characteristic, complemented
3	C₃₁×#3155	C₂	1	1	yes	maximal, characteristic
4	C₃₁×#2950	C₂	1	1	yes	maximal, characteristic, complemented
5	C₃₁×#2211	C₂	1	4	yes	maximal, complemented
6	C₃₁×#2207	C₂	1	4	yes	maximal, complemented
7	C₃₁×#2151	C₂	1	1	yes	maximal, characteristic, complemented
8	C₃₁×#2140	C₂	1	1	yes	maximal, characteristic, complemented
9	C₃₁×#2138	C₂	1	1	yes	maximal, characteristic, complemented
10	C₂×C₃₁×AGL(1,ℤ/8)	—	2	1	no	—
11	C₂×C₃₁×#135	C₂²	1	1	yes	characteristic
12	C₂²×Q₁₆×C₃₁	C₂²	1	1	yes	characteristic
13	C₂²×D₈×C₃₁	C₂²	1	1	yes	characteristic
14	C₃₁×#535	—	2	1	no	—
15	C₃₁×#519	—	2	1	no	—
16	C₃₁×#510	—	2	4	no	—
17	C₂×C₃₁×Q₃₂	C₂²	1	2	yes	complemented
18	C₂×C₃₁×SD₃₂	—	2	4	no	—
19	C₂×C₃₁×SD₃₂	C₂²	1	4	yes	—
20	C₂×C₃₁×SD₃₂	C₂²	1	2	yes	complemented
21	C₂×C₃₁×M₃₂	C₂²	1	1	yes	characteristic
22	C₂²×C₁₆×C₃₁	C₂²	1	1	yes	characteristic
23	C₃₁×#496	—	2	2	no	—
24	C₃₁×#495	C₂²	1	2	yes	—
25	C₃₁×#493	C₂²	1	2	yes	—
26	C₃₁×#441	—	2	2	no	—
27	C₄×Q₁₆×C₃₁	C₂²	1	4	yes	complemented
28	C₃₁×#427	C₂²	1	1	yes	characteristic
29	C₃₁×#419	—	2	1	no	—
30	C₃₁×#405	C₂²	1	1	yes	characteristic
31	C₃₁×C₄⋊C₁₆	C₂²	1	4	yes	complemented
32	C₃₁×#358	C₂²	1	2	yes	complemented
33	C₃₁×#357	C₂²	1	4	yes	—
34	C₃₁×#357	C₂²	1	2	yes	complemented
35	C₂×#41×C₃₁	—	2	1	no	—
36	C₂²×Q₈×C₃₁	—	2	1	no	—
37	C₂²×D₄×C₃₁	—	2	1	no	—
38	C₃₁×AGL(1,ℤ/8)	—	4	4	no	—
39	C₃₁×#135	—	2	2	no	—
40	C₃₁×#135	—	2	2	no	—
41	C₂×Q₁₆×C₃₁	—	2	1	no	—
42	C₂×Q₁₆×C₃₁	—	2	2	no	—
43	C₂×Q₁₆×C₃₁	D₄	1	4	yes	complemented
44	C₂×Q₁₆×C₃₁	C₂³	1	1	yes	characteristic
45	C₂×Q₁₆×C₃₁	C₂³	1	2	yes	—
46	C₂×SD₁₆×C₃₁	—	2	2	no	—
47	C₂×SD₁₆×C₃₁	—	2	1	no	—
48	C₂×D₈×C₃₁	—	2	2	no	—
49	C₂×D₈×C₃₁	—	2	2	no	—
50	C₂×D₈×C₃₁	—	2	1	no	—
51	C₂×D₈×C₃₁	—	2	2	no	—
52	C₂×D₈×C₃₁	C₂³	1	1	yes	characteristic
53	C₂×D₈×C₃₁	C₂³	1	2	yes	—
54	C₂×M₁₆×C₃₁	D₄	1	1	yes	characteristic
55	C₂²×C₈×C₃₁	C₂³	1	1	yes	characteristic
56	C₃₁×#127	—	2	2	no	—
57	C₃₁×#124	—	2	2	no	—
58	C₃₁×#121	—	4	2	no	—
59	C₃₁×#120	—	4	2	no	—
60	C₄×Q₈×C₃₁	—	2	4	no	—
61	C₄×Q₈×C₃₁	—	4	2	no	—
62	C₃₁×#117	—	2	1	no	—
63	C₃₁×#117	—	4	2	no	—
64	C₃₁×#117	D₄	1	1	yes	characteristic
65	C₃₁×Q₃₂	—	2	4	no	—
66	C₃₁×SD₃₂	—	2	8	no	—
67	C₃₁×SD₃₂	—	2	4	no	—
68	C₃₁×M₃₂	—	2	2	no	—
69	C₂×C₁₆×C₃₁	—	2	2	no	—
70	C₂×C₁₆×C₃₁	C₂³	1	2	yes	—
71	C₂×C₁₆×C₃₁	C₂³	1	2	yes	—
72	C₃₁×#107	C₂³	1	2	yes	—
73	C₃₁×#106	—	2	1	no	—
74	C₃₁×#103	—	2	4	no	—
75	C₃₁×#97	D₄	1	2	yes	—
76	C₄×C₈×C₃₁	C₂³	1	2	yes	—
77	C₂⁴×C₃₁	—	4	1	no	—
78	#41×C₃₁	—	4	2	no	—
79	#41×C₃₁	—	4	2	no	—
80	C₂×Q₈×C₃₁	—	2	4	no	—
81	C₂×Q₈×C₃₁	—	2	2	no	—
82	C₂×Q₈×C₃₁	—	2	1	no	—
83	C₂×Q₈×C₃₁	—	4	1	no	—
84	C₂×Q₈×C₃₁	—	4	2	no	—
85	C₂×D₄×C₃₁	—	2	2	no	—
86	C₂×D₄×C₃₁	—	2	1	no	—
87	C₂×D₄×C₃₁	—	4	1	no	—
88	C₂×D₄×C₃₁	—	4	2	no	—
89	C₂×D₄×C₃₁	—	4	1	no	—
90	C₂×D₄×C₃₁	—	4	4	no	—
91	C₂×D₄×C₃₁	—	4	2	no	—
92	C₂²×C₄×C₃₁	—	4	1	no	—
93	C₂²×C₄×C₃₁	—	4	1	no	—
94	C₂²×C₄×C₃₁	C₂×D₄	1	1	yes	characteristic
95	Q₁₆×C₃₁	—	2	4	no	—
96	Q₁₆×C₃₁	—	2	1	no	—
97	Q₁₆×C₃₁	—	2	2	no	—
98	Q₁₆×C₃₁	—	2	1	no	—
99	Q₁₆×C₃₁	C₂×D₄	1	4	yes	—
100	SD₁₆×C₃₁	—	4	4	no	—
101	SD₁₆×C₃₁	—	4	2	no	—
102	D₈×C₃₁	—	2	2	no	—
103	D₈×C₃₁	—	2	1	no	—
104	D₈×C₃₁	—	2	2	no	—
105	D₈×C₃₁	—	2	1	no	—
106	D₈×C₃₁	—	4	4	no	—
107	D₈×C₃₁	—	4	2	no	—
108	M₁₆×C₃₁	—	2	2	no	—
109	C₂×C₈×C₃₁	C₂×D₄	1	2	yes	—
110	C₂×C₈×C₃₁	C₂×D₄	1	1	yes	characteristic
111	C₂×C₈×C₃₁	C₂×D₄	1	2	yes	—
112	C₂×C₈×C₃₁	#41	1	2	yes	—
113	C₂×C₈×C₃₁	C₂⁴	1	1	yes	characteristic
114	C₄⋊C₄×C₃₁	—	2	2	no	—
115	C₄⋊C₄×C₃₁	—	4	4	no	—
116	C₄⋊C₄×C₃₁	D₈	1	2	yes	—
117	C₂²⋊C₄×C₃₁	—	4	1	no	—
118	C₂²⋊C₄×C₃₁	—	4	4	no	—
119	C₂²⋊C₄×C₃₁	D₈	1	2	yes	—
120	C₄²×C₃₁	—	4	1	no	—
121	C₄²×C₃₁	—	4	4	no	—
122	C₄²×C₃₁	C₂×D₄	1	2	yes	—
123	C₁₆×C₃₁	—	2	2	no	—
124	C₁₆×C₃₁	—	2	2	no	—
125	#33587	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
126	C₂³×C₃₁	—	4	2	no	—
127	C₂³×C₃₁	—	4	1	no	—
128	C₂³×C₃₁	—	8	2	no	—
129	C₂³×C₃₁	—	16	2	no	—
130	C₂³×C₃₁	C₂×D₈	1	1	yes	characteristic
131	Q₈×C₃₁	—	2	4	no	—
132	Q₈×C₃₁	—	4	2	no	—
133	Q₈×C₃₁	—	4	4	no	—
134	Q₈×C₃₁	—	4	1	no	—
135	Q₈×C₃₁	—	4	1	no	—
136	D₄×C₃₁	—	4	2	no	—
137	D₄×C₃₁	—	4	1	no	—
138	D₄×C₃₁	—	4	1	no	—
139	D₄×C₃₁	—	4	2	no	—
140	D₄×C₃₁	—	8	2	no	—
141	D₄×C₃₁	—	8	2	no	—
142	D₄×C₃₁	—	16	4	no	—
143	C₂×C₄×C₃₁	—	4	2	no	—
144	C₂×C₄×C₃₁	—	4	4	no	—
145	C₂×C₄×C₃₁	—	4	2	no	—
146	C₂×C₄×C₃₁	—	4	1	no	—
147	C₂×C₄×C₃₁	—	8	2	no	—
148	C₂×C₄×C₃₁	#121	1	2	yes	—
149	C₂×C₄×C₃₁	C₂×D₈	1	4	yes	—
150	C₂×C₄×C₃₁	C₂×D₈	1	1	yes	characteristic
151	C₂×C₄×C₃₁	AGL(1,ℤ/8)	1	2	yes	—
152	C₂×C₄×C₃₁	C₂²×D₄	1	1	yes	characteristic
153	C₈×C₃₁	—	2	2	no	—
154	C₈×C₃₁	#121	1	2	yes	—
155	C₈×C₃₁	C₂²×D₄	1	1	yes	characteristic
156	C₈×C₃₁	C₂×#41	1	1	yes	characteristic
157	C₂×#510	C₂×C₃₁	1	1	yes	characteristic, complemented
158	C₂²×SD₃₂	C₂×C₃₁	1	1	yes	characteristic, complemented
159	#3155	C₂×C₃₁	1	1	yes	characteristic
160	#2950	C₂×C₃₁	1	1	yes	characteristic, complemented
161	#2211	C₂×C₃₁	1	4	yes	complemented
162	#2207	C₂×C₃₁	1	4	yes	complemented
163	#2151	C₂×C₃₁	1	1	yes	characteristic, complemented
164	#2140	C₂×C₃₁	1	1	yes	characteristic, complemented
165	#2138	C₂×C₃₁	1	1	yes	characteristic, complemented
166	C₂²×C₃₁	—	2	2	no	—
167	C₂²×C₃₁	—	8	2	no	—
168	C₂²×C₃₁	—	8	4	no	—
169	C₂²×C₃₁	—	8	1	no	—
170	C₂²×C₃₁	—	8	2	no	—
171	C₂²×C₃₁	—	16	4	no	—
172	C₂²×C₃₁	#459	1	2	yes	—
173	C₂²×C₃₁	C₂²×D₈	1	1	yes	characteristic
174	C₄×C₃₁	—	2	4	no	—
175	C₄×C₃₁	—	4	4	no	—
176	C₄×C₃₁	—	8	2	no	—
177	C₄×C₃₁	—	8	1	no	—
178	C₄×C₃₁	#459	1	2	yes	—
179	C₄×C₃₁	C₂×#121	1	1	yes	characteristic
180	C₄×C₃₁	C₂×AGL(1,ℤ/8)	1	1	yes	characteristic
181	C₂×AGL(1,ℤ/8)	—	2	1	no	—
182	C₂×#135	C₂²×C₃₁	1	1	yes	characteristic
183	C₂²×Q₁₆	C₂²×C₃₁	1	1	yes	characteristic
184	C₂²×D₈	C₂²×C₃₁	1	1	yes	characteristic
185	#535	—	2	1	no	—
186	#519	—	2	1	no	—
187	#510	—	2	4	no	—
188	C₂×Q₃₂	C₂²×C₃₁	1	2	yes	complemented
189	C₂×SD₃₂	—	2	4	no	—
190	C₂×SD₃₂	C₂²×C₃₁	1	4	yes	—
191	C₂×SD₃₂	C₂²×C₃₁	1	2	yes	complemented
192	C₂×M₃₂	C₂²×C₃₁	1	1	yes	characteristic
193	C₂²×C₁₆	C₂²×C₃₁	1	1	yes	characteristic
194	#496	—	2	2	no	—
195	#495	C₂²×C₃₁	1	2	yes	—
196	#493	C₂²×C₃₁	1	2	yes	—
197	#441	—	2	2	no	—
198	C₄×Q₁₆	C₂²×C₃₁	1	4	yes	complemented
199	#427	C₂²×C₃₁	1	1	yes	characteristic
200	#419	—	2	1	no	—
201	#405	C₂²×C₃₁	1	1	yes	characteristic
202	C₄⋊C₁₆	C₂²×C₃₁	1	4	yes	complemented
203	#358	C₂²×C₃₁	1	2	yes	complemented
204	#357	C₂²×C₃₁	1	4	yes	—
205	#357	C₂²×C₃₁	1	2	yes	complemented
206	C₂×C₃₁	—	2	2	no	—
207	C₂×C₃₁	—	16	1	no	—
208	C₂×C₃₁	—	16	2	no	—
209	C₂×C₃₁	C₂×#459	1	1	yes	characteristic
210	C₂×C₃₁	#3416	1	2	yes	—
211	C₂×#41	—	2	1	no	—
212	C₂²×Q₈	—	2	1	no	—
213	C₂²×D₄	—	2	1	no	—
214	AGL(1,ℤ/8)	—	4	4	no	—
215	#135	—	2	2	no	—
216	#135	—	2	2	no	—
217	C₂×Q₁₆	—	2	1	no	—
218	C₂×Q₁₆	—	2	2	no	—
219	C₂×Q₁₆	D₄×C₃₁	1	4	yes	complemented
220	C₂×Q₁₆	C₂³×C₃₁	1	1	yes	characteristic
221	C₂×Q₁₆	C₂³×C₃₁	1	2	yes	—
222	C₂×SD₁₆	—	2	1	no	—
223	C₂×SD₁₆	—	2	2	no	—
224	C₂×D₈	—	2	2	no	—
225	C₂×D₈	—	2	1	no	—
226	C₂×D₈	—	2	2	no	—
227	C₂×D₈	—	2	2	no	—
228	C₂×D₈	C₂³×C₃₁	1	2	yes	—
229	C₂×D₈	C₂³×C₃₁	1	1	yes	characteristic
230	C₂×M₁₆	D₄×C₃₁	1	1	yes	characteristic
231	C₂²×C₈	C₂³×C₃₁	1	1	yes	characteristic
232	#127	—	2	2	no	—
233	#124	—	2	2	no	—
234	#121	—	4	2	no	—
235	#120	—	4	2	no	—
236	C₄×Q₈	—	2	4	no	—
237	C₄×Q₈	—	4	2	no	—
238	#117	—	2	1	no	—
239	#117	—	4	2	no	—
240	#117	D₄×C₃₁	1	1	yes	characteristic
241	Q₃₂	—	2	4	no	—
242	SD₃₂	—	2	8	no	—
243	SD₃₂	—	2	4	no	—
244	M₃₂	—	2	2	no	—
245	C₂×C₁₆	—	2	2	no	—
246	C₂×C₁₆	C₂³×C₃₁	1	2	yes	—
247	C₂×C₁₆	C₂³×C₃₁	1	2	yes	—
248	#107	C₂³×C₃₁	1	2	yes	—
249	#106	—	2	1	no	—
250	#103	—	2	4	no	—
251	#97	D₄×C₃₁	1	2	yes	—
252	C₄×C₈	C₂³×C₃₁	1	2	yes	—
253	C₃₁	#33587	1	1	yes	characteristic, direct product factor, Sylow
254	C₂⁴	—	4	1	no	—
255	#41	—	4	2	no	—
256	#41	—	4	2	no	—
257	C₂×Q₈	—	2	4	no	—
258	C₂×Q₈	—	2	2	no	—
259	C₂×Q₈	—	2	1	no	—
260	C₂×Q₈	—	4	1	no	—
261	C₂×Q₈	—	4	2	no	—
262	C₂×D₄	—	2	2	no	—
263	C₂×D₄	—	2	1	no	—
264	C₂×D₄	—	4	1	no	—
265	C₂×D₄	—	4	2	no	—
266	C₂×D₄	—	4	1	no	—
267	C₂×D₄	—	4	4	no	—
268	C₂×D₄	—	4	2	no	—
269	C₂²×C₄	—	4	1	no	—
270	C₂²×C₄	—	4	1	no	—
271	C₂²×C₄	C₂×D₄×C₃₁	1	1	yes	characteristic
272	Q₁₆	—	2	4	no	—
273	Q₁₆	—	2	1	no	—
274	Q₁₆	—	2	2	no	—
275	Q₁₆	—	2	1	no	—
276	Q₁₆	C₂×D₄×C₃₁	1	4	yes	—
277	SD₁₆	—	4	4	no	—
278	SD₁₆	—	4	2	no	—
279	D₈	—	2	2	no	—
280	D₈	—	2	1	no	—
281	D₈	—	2	2	no	—
282	D₈	—	2	1	no	—
283	D₈	—	4	4	no	—
284	D₈	—	4	2	no	—
285	M₁₆	—	2	2	no	—
286	C₂×C₈	C₂×D₄×C₃₁	1	2	yes	—
287	C₂×C₈	C₂×D₄×C₃₁	1	1	yes	characteristic
288	C₂×C₈	C₂×D₄×C₃₁	1	2	yes	—
289	C₂×C₈	#41×C₃₁	1	2	yes	—
290	C₂×C₈	C₂⁴×C₃₁	1	1	yes	characteristic
291	C₄⋊C₄	—	2	2	no	—
292	C₄⋊C₄	—	4	4	no	—
293	C₄⋊C₄	D₈×C₃₁	1	2	yes	—
294	C₂²⋊C₄	—	4	1	no	—
295	C₂²⋊C₄	—	4	4	no	—
296	C₂²⋊C₄	D₈×C₃₁	1	2	yes	—
297	C₄²	—	4	1	no	—
298	C₄²	—	4	4	no	—
299	C₄²	C₂×D₄×C₃₁	1	2	yes	—
300	C₁₆	—	2	2	no	—
301	C₁₆	—	2	2	no	—
302	C₂³	—	4	2	no	—
303	C₂³	—	4	1	no	—
304	C₂³	—	8	2	no	—
305	C₂³	—	16	2	no	—
306	C₂³	C₂×D₈×C₃₁	1	1	yes	characteristic
307	Q₈	—	2	4	no	—
308	Q₈	—	4	4	no	—
309	Q₈	—	4	2	no	—
310	Q₈	—	4	1	no	—
311	Q₈	—	4	1	no	—
312	D₄	—	4	2	no	—
313	D₄	—	4	1	no	—
314	D₄	—	4	1	no	—
315	D₄	—	4	2	no	—
316	D₄	—	8	2	no	—
317	D₄	—	8	2	no	—
318	D₄	—	16	4	no	—
319	C₂×C₄	—	4	4	no	—
320	C₂×C₄	—	4	2	no	—
321	C₂×C₄	—	4	2	no	—
322	C₂×C₄	—	4	1	no	—
323	C₂×C₄	—	8	2	no	—
324	C₂×C₄	C₃₁×#121	1	2	yes	—
325	C₂×C₄	C₂×D₈×C₃₁	1	4	yes	—
326	C₂×C₄	C₂×D₈×C₃₁	1	1	yes	characteristic
327	C₂×C₄	C₃₁×AGL(1,ℤ/8)	1	2	yes	—
328	C₂×C₄	C₂²×D₄×C₃₁	1	1	yes	characteristic
329	C₈	—	2	2	no	—
330	C₈	C₃₁×#121	1	2	yes	—
331	C₈	C₂²×D₄×C₃₁	1	1	yes	characteristic
332	C₈	C₂×#41×C₃₁	1	1	yes	characteristic
333	C₂²	—	2	2	no	—
334	C₂²	—	8	2	no	—
335	C₂²	—	8	4	no	—
336	C₂²	—	8	1	no	—
337	C₂²	—	8	2	no	—
338	C₂²	—	16	4	no	—
339	C₂²	C₃₁×#459	1	2	yes	—
340	C₂²	C₂²×D₈×C₃₁	1	1	yes	characteristic
341	C₄	—	2	4	no	—
342	C₄	—	4	4	no	—
343	C₄	—	8	2	no	—
344	C₄	—	8	1	no	—
345	C₄	C₃₁×#459	1	2	yes	—
346	C₄	C₂×C₃₁×#121	1	1	yes	characteristic
347	C₄	C₂×C₃₁×AGL(1,ℤ/8)	1	1	yes	characteristic
348	C₂	—	2	2	no	—
349	C₂	—	16	2	no	—
350	C₂	—	16	1	no	—
351	C₂	C₂×C₃₁×#459	1	1	yes	characteristic
352	C₂	C₃₁×#3416	1	2	yes	—

	subgroup	G/H
center, socle	C₂²×C₃₁	C₂²×D₈
commutator, Frattini, cosocle	C₂×C₈	C₂⁴×C₃₁
prime radical	C₃₁×#3155	C₂
LCS	G ▷ C₂×C₈ ▷ C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂²×C₃₁ ◁ C₃₁×#117 ◁ C₃₁×#405 ◁ G

Complements

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

N	H ≅ G/N	type
1. C₂×C₃₁×#510	C₂	semidirect
2. C₂²×C₃₁×SD₃₂	C₂	semidirect
4. C₃₁×#2950	C₂	semidirect
5. C₃₁×#2211	C₂	semidirect
6. C₃₁×#2207	C₂	semidirect
7. C₃₁×#2151	C₂	semidirect
8. C₃₁×#2140	C₂	semidirect
9. C₃₁×#2138	C₂	semidirect
17. C₂×C₃₁×Q₃₂	C₂²	semidirect
20. C₂×C₃₁×SD₃₂	C₂²	semidirect
27. C₄×Q₁₆×C₃₁	C₂²	semidirect
31. C₃₁×C₄⋊C₁₆	C₂²	semidirect
32. C₃₁×#358	C₂²	semidirect
34. C₃₁×#357	C₂²	semidirect
43. C₂×Q₁₆×C₃₁	D₄	semidirect
125. #33587	C₃₁	direct (N × H)
157. C₂×#510	C₂×C₃₁	semidirect
158. C₂²×SD₃₂	C₂×C₃₁	semidirect
160. #2950	C₂×C₃₁	semidirect
161. #2211	C₂×C₃₁	semidirect
162. #2207	C₂×C₃₁	semidirect
163. #2151	C₂×C₃₁	semidirect
164. #2140	C₂×C₃₁	semidirect
165. #2138	C₂×C₃₁	semidirect
188. C₂×Q₃₂	C₂²×C₃₁	semidirect
191. C₂×SD₃₂	C₂²×C₃₁	semidirect
198. C₄×Q₁₆	C₂²×C₃₁	semidirect
202. C₄⋊C₁₆	C₂²×C₃₁	semidirect
203. #358	C₂²×C₃₁	semidirect
205. #357	C₂²×C₃₁	semidirect
219. C₂×Q₁₆	D₄×C₃₁	semidirect
253. C₃₁	#33587	direct (N × H)

Maximal subgroups

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

subgroup	index
C₂×C₃₁×#510	2
C₂²×C₃₁×SD₃₂	2
C₃₁×#3155	2
C₃₁×#2950	2
C₃₁×#2211	2
C₃₁×#2207	2
C₃₁×#2151	2
C₃₁×#2140	2
C₃₁×#2138	2
#33587	31

Subgroups — C31×#33587 #21490346

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#33587 #21490346