Finite Group Databasebeta

← C31×#25201 #21481960

Subgroups — C31×#25201 #21481960

Order 7936.

806 conjugacy classes of subgroups.

The subgroup lattice has 640 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C31×#485C211yesmaximal, characteristic
2C2×C31×#467C211yesmaximal, characteristic
3C31×#2499C211yesmaximal, characteristic
4C31×#2362C211yesmaximal, characteristic
5C31×#2083C211yesmaximal, characteristic, complemented
6C31×#2074C211yesmaximal, characteristic, complemented
7C31×#2066C211yesmaximal, characteristic, complemented
8C31×#2056C211yesmaximal, characteristic, complemented
9C31×#1949C211yesmaximal, characteristic, complemented
10C31×#1928C211yesmaximal, characteristic, complemented
11C31×#1878C211yesmaximal, characteristic, complemented
12C31×#1873C211yesmaximal, characteristic
13C31×#1850C211yesmaximal, characteristic
14C31×#1803C211yesmaximal, characteristic, complemented
15C31×#1735C211yesmaximal, characteristic
16C22×Q16×C31C2211yescharacteristic
17C23×C8×C31C2211yescharacteristic
18C2×C31×C22⋊Q8C2211yescharacteristic
19C2×C31×C22⋊Q8C2211yescharacteristic
20C2×C4×Q8×C31C2211yescharacteristic
21C2×C31×#117C2211yescharacteristic
22C2×C31×#117C2211yescharacteristic
23C31×#485—24no—
24C31×#467—24no—
25C2×C31×#107C2211yescharacteristic
26C2×C31×#107C2211yescharacteristic
27C2×C31×#106C2211yescharacteristic
28C2×C31×C4⋊C8C2211yescharacteristic
29C2×C31×C4⋊C8C2211yescharacteristic
30C2×C31×#103C2211yescharacteristic
31C2×C31×#103C2211yescharacteristic
32C2×C31×#103C2211yescharacteristic
33C2×C31×#103C2211yescharacteristic
34C2×C31×#103C2211yescharacteristic
35C2×C31×#103C2211yescharacteristic
36C2×C31×C22⋊C8C2211yescharacteristic
37C31×#397—21no—
38C31×#397—21no—
39C31×#391C2211yescharacteristic
40C31×#391C2211yescharacteristic
41C31×#391C2211yescharacteristic
42C31×#389C2211yescharacteristic
43C31×#388—21no—
44C31×#388—21no—
45C31×#387—21no—
46C31×#387—21no—
47C31×#387—21no—
48C31×#384C2211yescharacteristic
49C31×#382C2211yescharacteristic
50C4×C4⋊C4×C31—21no—
51C4×C4⋊C4×C31C2211yescharacteristic
52C4×C22⋊C4×C31C2211yescharacteristic
53C31×#340C2211yescharacteristic
54C31×#340C2211yescharacteristic
55C31×#340C2211yescharacteristic
56C31×#340C2211yescharacteristic
57C31×#340C2211yescharacteristic
58C31×#340C2211yescharacteristic
59C31×#336C2211yescharacteristic
60C31×#336C2211yescharacteristic
61C22×Q8×C31C2311yescharacteristic
62C22×Q8×C31C2311yescharacteristic
63C23×C4×C31C2311yescharacteristic
64C2×Q16×C31—22no—
65C2×Q16×C31—22no—
66C2×Q16×C31—41no—
67C22×C8×C31—22no—
68C22×C8×C31—22no—
69C22×C8×C31—41no—
70C22×C8×C31C2311yescharacteristic
71C22×C8×C31C2311yescharacteristic
72C22×C8×C31C2311yescharacteristic
73C22×C8×C31C2311yescharacteristic
74C31×C22⋊Q8—22no—
75C31×C22⋊Q8—22no—
76C31×C22⋊Q8—22no—
77C31×C22⋊Q8D414yes—
78C4×Q8×C31—22no—
79C4×Q8×C31—41no—
80C31×#117—22no—
81C31×#117—22no—
82C31×#117—22no—
83C31×#117—41no—
84C2×C4⋊C4×C31—21no—
85C2×C4⋊C4×C31—21no—
86C2×C4⋊C4×C31—21no—
87C2×C4⋊C4×C31—21no—
88C2×C4⋊C4×C31—21no—
89C2×C4⋊C4×C31—21no—
90C2×C4⋊C4×C31C2311yescharacteristic
91C2×C4⋊C4×C31C2311yescharacteristic
92C2×C4⋊C4×C31C2311yescharacteristic
93C2×C4⋊C4×C31C2311yescharacteristic
94C2×C4⋊C4×C31C2311yescharacteristic
95C2×C4⋊C4×C31C2311yescharacteristic
96C2×C22⋊C4×C31—21no—
97C2×C22⋊C4×C31—21no—
98C2×C22⋊C4×C31—21no—
99C2×C22⋊C4×C31—21no—
100C2×C22⋊C4×C31D411yescharacteristic
101C2×C22⋊C4×C31D411yescharacteristic
102C2×C42×C31—21no—
103C2×C42×C31—21no—
104C2×C42×C31—21no—
105C2×C42×C31—21no—
106C2×C42×C31C2311yescharacteristic
107C2×C42×C31C2311yescharacteristic
108C31×#107—22no—
109C31×#107—22no—
110C31×#106—22no—
111C31×C4⋊C8—22no—
112C31×C4⋊C8—41no—
113C31×#103—22no—
114C31×#103—22no—
115C31×#103—22no—
116C31×#103—22no—
117C31×#103—22no—
118C31×#103—41no—
119C31×C22⋊C8—22no—
120C31×#95—21no—
121C31×#95—21no—
122C31×#95—21no—
123C31×#95—21no—
124C31×#95—21no—
125C31×#95—21no—
126C31×#95—21no—
127C31×#95—21no—
128C31×#95—21no—
129C31×#95—21no—
130C31×#95D411yescharacteristic
131C31×#95D411yescharacteristic
132C24×C31C2×D411yescharacteristic
133C2×Q8×C31—21no—
134C2×Q8×C31—21no—
135C2×Q8×C31—21no—
136C2×Q8×C31—21no—
137C2×Q8×C31—21no—
138C2×Q8×C31—21no—
139C2×Q8×C31—21no—
140C2×Q8×C31—21no—
141C2×Q8×C31—21no—
142C2×Q8×C31—21no—
143C2×Q8×C31—21no—
144C2×Q8×C31C2×D412yes—
145C22×C4×C31—21no—
146C22×C4×C31—21no—
147C22×C4×C31—21no—
148C22×C4×C31—21no—
149C22×C4×C31—21no—
150C22×C4×C31—21no—
151C22×C4×C31—21no—
152C22×C4×C31—21no—
153C22×C4×C31—21no—
154C22×C4×C31—21no—
155C22×C4×C31—21no—
156C22×C4×C31—21no—
157C22×C4×C31C2×D411yescharacteristic
158C22×C4×C31C2×D411yescharacteristic
159C22×C4×C31C2×D411yescharacteristic
160C22×C4×C31C2×D411yescharacteristic
161C22×C4×C31C2×D412yes—
162C22×C4×C31C2×D411yescharacteristic
163C22×C4×C31#4112yes—
164C22×C4×C31C2411yescharacteristic
165Q16×C31—44no—
166C2×C8×C31—21no—
167C2×C8×C31—21no—
168C2×C8×C31—21no—
169C2×C8×C31—21no—
170C2×C8×C31—21no—
171C2×C8×C31—21no—
172C2×C8×C31—21no—
173C2×C8×C31—21no—
174C2×C8×C31—21no—
175C2×C8×C31—21no—
176C2×C8×C31—21no—
177C2×C8×C31—44no—
178C2×C8×C31#4112yes—
179C4⋊C4×C31—24no—
180C4⋊C4×C31—21no—
181C4⋊C4×C31—21no—
182C4⋊C4×C31—21no—
183C4⋊C4×C31—21no—
184C4⋊C4×C31—21no—
185C4⋊C4×C31—21no—
186C4⋊C4×C31—21no—
187C4⋊C4×C31—21no—
188C4⋊C4×C31—21no—
189C4⋊C4×C31—21no—
190C4⋊C4×C31—42no—
191C4⋊C4×C31—42no—
192C4⋊C4×C31—42no—
193C4⋊C4×C31—42no—
194C4⋊C4×C31—42no—
195C4⋊C4×C31C2×D412yes—
196C4⋊C4×C31#4112yes—
197C22⋊C4×C31—24no—
198C22⋊C4×C31—22no—
199C22⋊C4×C31—41no—
200C22⋊C4×C31—42no—
201C22⋊C4×C31—42no—
202C22⋊C4×C31—42no—
203C42×C31—21no—
204C42×C31—21no—
205C42×C31—21no—
206C42×C31—21no—
207C42×C31—42no—
208C42×C31—42no—
209C42×C31—42no—
210C42×C31—42no—
211#25201C3111yesmaximal, characteristic, direct product factor, Sylow
212C23×C31—21no—
213C23×C31—21no—
214C23×C31—21no—
215C23×C31—21no—
216C23×C31—21no—
217C23×C31—21no—
218C23×C31#12112yes—
219C23×C31C22×D411yescharacteristic
220Q8×C31—22no—
221Q8×C31—22no—
222Q8×C31—41no—
223Q8×C31—41no—
224Q8×C31—41no—
225Q8×C31—41no—
226Q8×C31—41no—
227Q8×C31—41no—
228C2×C4×C31—21no—
229C2×C4×C31—21no—
230C2×C4×C31—21no—
231C2×C4×C31—21no—
232C2×C4×C31—22no—
233C2×C4×C31—22no—
234C2×C4×C31—22no—
235C2×C4×C31—22no—
236C2×C4×C31—22no—
237C2×C4×C31—22no—
238C2×C4×C31—21no—
239C2×C4×C31—22no—
240C2×C4×C31—21no—
241C2×C4×C31—21no—
242C2×C4×C31—21no—
243C2×C4×C31—21no—
244C2×C4×C31—21no—
245C2×C4×C31—21no—
246C2×C4×C31—21no—
247C2×C4×C31—21no—
248C2×C4×C31—41no—
249C2×C4×C31—41no—
250C2×C4×C31—41no—
251C2×C4×C31—41no—
252C2×C4×C31—41no—
253C2×C4×C31—41no—
254C2×C4×C31—41no—
255C2×C4×C31—41no—
256C2×C4×C31—41no—
257C2×C4×C31—41no—
258C2×C4×C31—41no—
259C2×C4×C31—41no—
260C2×C4×C31—41no—
261C2×C4×C31—41no—
262C2×C4×C31—41no—
263C2×C4×C31—41no—
264C2×C4×C31—41no—
265C2×C4×C31—41no—
266C2×C4×C31—41no—
267C2×C4×C31—41no—
268C2×C4×C31—41no—
269C2×C4×C31#12112yes—
270C2×C4×C31#13512yes—
271C2×C4×C31C22×D411yescharacteristic
272C2×C4×C31C2×#4111yescharacteristic
273C2×C4×C31C2×#4111yescharacteristic
274C2×C4×C31C2×#4111yescharacteristic
275C2×C4×C31H(5,𝔽2)11yescharacteristic
276C2×C4×C312−1+411yescharacteristic
277C8×C31—22no—
278C8×C31—41no—
279C8×C31—41no—
280C8×C31—41no—
281C2×#485C2×C3111yescharacteristic
282C2×#467C2×C3111yescharacteristic
283#2499C2×C3111yescharacteristic
284#2362C2×C3111yescharacteristic
285#2083C2×C3111yescharacteristic, complemented
286#2074C2×C3111yescharacteristic, complemented
287#2066C2×C3111yescharacteristic, complemented
288#2056C2×C3111yescharacteristic, complemented
289#1949C2×C3111yescharacteristic, complemented
290#1928C2×C3111yescharacteristic, complemented
291#1878C2×C3111yescharacteristic, complemented
292#1873C2×C3111yescharacteristic
293#1850C2×C3111yescharacteristic
294#1803C2×C3111yescharacteristic, complemented
295#1735C2×C3111yescharacteristic
296C22×C31—22no—
297C22×C31—22no—
298C22×C31—22no—
299C22×C31—41no—
300C22×C31—41no—
301C22×C31—41no—
302C22×C31—41no—
303C22×C31C2×#12111yescharacteristic
304C22×C31#54611yescharacteristic
305C22×C31#54711yescharacteristic
306C22×C31C2×#13511yescharacteristic
307C22×C31#57511yescharacteristic
308C22×C31#57811yescharacteristic
309C22×C31#57811yescharacteristic
310C4×C31—22no—
311C4×C31—22no—
312C4×C31—41no—
313C4×C31—41no—
314C4×C31—42no—
315C4×C31—42no—
316C4×C31—41no—
317C4×C31—42no—
318C4×C31—81no—
319C4×C31—81no—
320C4×C31—81no—
321C4×C31—81no—
322C4×C31—81no—
323C4×C31#52911yescharacteristic
324C4×C31#53911yescharacteristic
325C4×C31#54611yescharacteristic
326C4×C31#54711yescharacteristic
327C22×Q16C22×C3111yescharacteristic
328C23×C8C22×C3111yescharacteristic
329C2×C22⋊Q8C22×C3111yescharacteristic
330C2×C22⋊Q8C22×C3111yescharacteristic
331C2×C4×Q8C22×C3111yescharacteristic
332C2×#117C22×C3111yescharacteristic
333C2×#117C22×C3111yescharacteristic
334#485—24no—
335#467—24no—
336C2×#107C22×C3111yescharacteristic
337C2×#107C22×C3111yescharacteristic
338C2×#106C22×C3111yescharacteristic
339C2×C4⋊C8C22×C3111yescharacteristic
340C2×C4⋊C8C22×C3111yescharacteristic
341C2×#103C22×C3111yescharacteristic
342C2×#103C22×C3111yescharacteristic
343C2×#103C22×C3111yescharacteristic
344C2×#103C22×C3111yescharacteristic
345C2×#103C22×C3111yescharacteristic
346C2×#103C22×C3111yescharacteristic
347C2×C22⋊C8C22×C3111yescharacteristic
348#397—21no—
349#397—21no—
350#391C22×C3111yescharacteristic
351#391C22×C3111yescharacteristic
352#391C22×C3111yescharacteristic
353#389C22×C3111yescharacteristic
354#388—21no—
355#388—21no—
356#387—21no—
357#387—21no—
358#387—21no—
359#384C22×C3111yescharacteristic
360#382C22×C3111yescharacteristic
361C4×C4⋊C4—21no—
362C4×C4⋊C4C22×C3111yescharacteristic
363C4×C22⋊C4C22×C3111yescharacteristic
364#340C22×C3111yescharacteristic
365#340C22×C3111yescharacteristic
366#340C22×C3111yescharacteristic
367#340C22×C3111yescharacteristic
368#340C22×C3111yescharacteristic
369#340C22×C3111yescharacteristic
370#336C22×C3111yescharacteristic
371#336C22×C3111yescharacteristic
372C2×C31—42no—
373C2×C31#242511yescharacteristic
374C2×C31#303511yescharacteristic
375C2×C31#304411yescharacteristic
376C2×C31#330011yescharacteristic
377C2×C31#331511yescharacteristic
378C2×C31#334211yescharacteristic
379C2×C31#334911yescharacteristic
380C22×Q8C23×C3111yescharacteristic
381C22×Q8C23×C3111yescharacteristic
382C23×C4C23×C3111yescharacteristic
383C2×Q16—22no—
384C2×Q16—22no—
385C2×Q16—41no—
386C22×C8—22no—
387C22×C8—22no—
388C22×C8—41no—
389C22×C8C23×C3111yescharacteristic
390C22×C8C23×C3111yescharacteristic
391C22×C8C23×C3111yescharacteristic
392C22×C8C23×C3111yescharacteristic
393C22⋊Q8—22no—
394C22⋊Q8—22no—
395C22⋊Q8—22no—
396C22⋊Q8D4×C3114yes—
397C4×Q8—22no—
398C4×Q8—41no—
399#117—22no—
400#117—22no—
401#117—22no—
402#117—41no—
403C2×C4⋊C4—21no—
404C2×C4⋊C4—21no—
405C2×C4⋊C4—21no—
406C2×C4⋊C4—21no—
407C2×C4⋊C4—21no—
408C2×C4⋊C4—21no—
409C2×C4⋊C4C23×C3111yescharacteristic
410C2×C4⋊C4C23×C3111yescharacteristic
411C2×C4⋊C4C23×C3111yescharacteristic
412C2×C4⋊C4C23×C3111yescharacteristic
413C2×C4⋊C4C23×C3111yescharacteristic
414C2×C4⋊C4C23×C3111yescharacteristic
415C2×C22⋊C4—21no—
416C2×C22⋊C4—21no—
417C2×C22⋊C4—21no—
418C2×C22⋊C4—21no—
419C2×C22⋊C4D4×C3111yescharacteristic
420C2×C22⋊C4D4×C3111yescharacteristic
421C2×C42—21no—
422C2×C42—21no—
423C2×C42—21no—
424C2×C42—21no—
425C2×C42C23×C3111yescharacteristic
426C2×C42C23×C3111yescharacteristic
427#107—22no—
428#107—22no—
429#106—22no—
430C4⋊C8—22no—
431C4⋊C8—41no—
432#103—22no—
433#103—22no—
434#103—22no—
435#103—22no—
436#103—22no—
437#103—41no—
438C22⋊C8—22no—
439#95—21no—
440#95—21no—
441#95—21no—
442#95—21no—
443#95—21no—
444#95—21no—
445#95—21no—
446#95—21no—
447#95—21no—
448#95—21no—
449#95D4×C3111yescharacteristic
450#95D4×C3111yescharacteristic
451C31#2520111yescharacteristic, direct product factor, Sylow
452C24C2×D4×C3111yescharacteristic
453C2×Q8—21no—
454C2×Q8—21no—
455C2×Q8—21no—
456C2×Q8—21no—
457C2×Q8—21no—
458C2×Q8—21no—
459C2×Q8—21no—
460C2×Q8—21no—
461C2×Q8—21no—
462C2×Q8—21no—
463C2×Q8—21no—
464C2×Q8C2×D4×C3112yes—
465C22×C4—21no—
466C22×C4—21no—
467C22×C4—21no—
468C22×C4—21no—
469C22×C4—21no—
470C22×C4—21no—
471C22×C4—21no—
472C22×C4—21no—
473C22×C4—21no—
474C22×C4—21no—
475C22×C4—21no—
476C22×C4—21no—
477C22×C4C2×D4×C3111yescharacteristic
478C22×C4C2×D4×C3111yescharacteristic
479C22×C4C2×D4×C3111yescharacteristic
480C22×C4C2×D4×C3111yescharacteristic
481C22×C4C2×D4×C3112yes—
482C22×C4C2×D4×C3111yescharacteristic
483C22×C4#41×C3112yes—
484C22×C4C24×C3111yescharacteristic
485Q16—44no—
486C2×C8—21no—
487C2×C8—21no—
488C2×C8—21no—
489C2×C8—21no—
490C2×C8—21no—
491C2×C8—21no—
492C2×C8—21no—
493C2×C8—21no—
494C2×C8—21no—
495C2×C8—21no—
496C2×C8—21no—
497C2×C8—44no—
498C2×C8#41×C3112yes—
499C4⋊C4—24no—
500C4⋊C4—21no—
501C4⋊C4—21no—
502C4⋊C4—21no—
503C4⋊C4—21no—
504C4⋊C4—21no—
505C4⋊C4—21no—
506C4⋊C4—21no—
507C4⋊C4—21no—
508C4⋊C4—21no—
509C4⋊C4—21no—
510C4⋊C4—42no—
511C4⋊C4—42no—
512C4⋊C4—42no—
513C4⋊C4—42no—
514C4⋊C4—42no—
515C4⋊C4C2×D4×C3112yes—
516C4⋊C4#41×C3112yes—
517C22⋊C4—24no—
518C22⋊C4—22no—
519C22⋊C4—41no—
520C22⋊C4—42no—
521C22⋊C4—42no—
522C22⋊C4—42no—
523C42—21no—
524C42—21no—
525C42—21no—
526C42—21no—
527C42—42no—
528C42—42no—
529C42—42no—
530C42—42no—
531C23—21no—
532C23—21no—
533C23—21no—
534C23—21no—
535C23—21no—
536C23—21no—
537C23C31×#12112yes—
538C23C22×D4×C3111yescharacteristic
539Q8—22no—
540Q8—22no—
541Q8—41no—
542Q8—41no—
543Q8—41no—
544Q8—41no—
545Q8—41no—
546Q8—41no—
547C2×C4—21no—
548C2×C4—21no—
549C2×C4—21no—
550C2×C4—21no—
551C2×C4—22no—
552C2×C4—22no—
553C2×C4—22no—
554C2×C4—22no—
555C2×C4—22no—
556C2×C4—22no—
557C2×C4—21no—
558C2×C4—22no—
559C2×C4—21no—
560C2×C4—21no—
561C2×C4—21no—
562C2×C4—21no—
563C2×C4—21no—
564C2×C4—21no—
565C2×C4—21no—
566C2×C4—21no—
567C2×C4—41no—
568C2×C4—41no—
569C2×C4—41no—
570C2×C4—41no—
571C2×C4—41no—
572C2×C4—41no—
573C2×C4—41no—
574C2×C4—41no—
575C2×C4—41no—
576C2×C4—41no—
577C2×C4—41no—
578C2×C4—41no—
579C2×C4—41no—
580C2×C4—41no—
581C2×C4—41no—
582C2×C4—41no—
583C2×C4—41no—
584C2×C4—41no—
585C2×C4—41no—
586C2×C4—41no—
587C2×C4—41no—
588C2×C4C31×#12112yes—
589C2×C4C31×#13512yes—
590C2×C4C22×D4×C3111yescharacteristic
591C2×C4C2×#41×C3111yescharacteristic
592C2×C4C2×#41×C3111yescharacteristic
593C2×C4C2×#41×C3111yescharacteristic
594C2×C4C31×H(5,𝔽2)11yescharacteristic
595C2×C4C31×2−1+411yescharacteristic
596C8—22no—
597C8—41no—
598C8—41no—
599C8—41no—
600C22—22no—
601C22—22no—
602C22—22no—
603C22—41no—
604C22—41no—
605C22—41no—
606C22—41no—
607C22C2×C31×#12111yescharacteristic
608C22C31×#54611yescharacteristic
609C22C31×#54711yescharacteristic
610C22C2×C31×#13511yescharacteristic
611C22C31×#57511yescharacteristic
612C22C31×#57811yescharacteristic
613C22C31×#57811yescharacteristic
614C4—22no—
615C4—22no—
616C4—41no—
617C4—41no—
618C4—42no—
619C4—42no—
620C4—41no—
621C4—42no—
622C4—81no—
623C4—81no—
624C4—81no—
625C4—81no—
626C4—81no—
627C4C31×#52911yescharacteristic
628C4C31×#53911yescharacteristic
629C4C31×#54611yescharacteristic
630C4C31×#54711yescharacteristic
631C2—42no—
632C2C31×#242511yescharacteristic
633C2C31×#303511yescharacteristic
634C2C31×#304411yescharacteristic
635C2C31×#330011yescharacteristic
636C2C31×#331511yescharacteristic
637C2C31×#334211yescharacteristic
638C2C31×#334911yescharacteristic
subgroupG/H
center, socleC23×C31C22×D4
commutator, Frattini, cosocleC22×C4C24×C31
prime radicalC24×C31C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C31 ◁ C4×C22⋊C4×C31 ◁ G

Complements

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

NH ≅ G/Ntype
5. C31×#2083C2semidirect
6. C31×#2074C2semidirect
7. C31×#2066C2semidirect
8. C31×#2056C2semidirect
9. C31×#1949C2semidirect
10. C31×#1928C2semidirect
11. C31×#1878C2semidirect
14. C31×#1803C2semidirect
211. #25201C31direct (N × H)
285. #2083C2×C31semidirect
286. #2074C2×C31semidirect
287. #2066C2×C31semidirect
288. #2056C2×C31semidirect
289. #1949C2×C31semidirect
290. #1928C2×C31semidirect
291. #1878C2×C31semidirect
294. #1803C2×C31semidirect
451. C31#25201direct (N × H)

Maximal subgroups

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

subgroupindex
C2×C31×#4852
C2×C31×#4672
C31×#24992
C31×#23622
C31×#20832
C31×#20742
C31×#20662
C31×#20562
C31×#19492
C31×#19282
C31×#18782
C31×#18732
C31×#18502
C31×#18032
C31×#17352
#2520131