Finite Group Databasebeta

← #14814498

Subgroups — #14814498

Order 2816.

886 conjugacy classes of subgroups.

The subgroup lattice has 712 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#13072056C211yesmaximal, characteristic
2#13071545C211yesmaximal, characteristic, complemented
3#13070185C211yesmaximal, characteristic, complemented
4#13070044C211yesmaximal, characteristic, complemented
5#13070031C211yesmaximal, characteristic, complemented
6#13069799C211yesmaximal, characteristic, complemented
7#13069237C211yesmaximal, characteristic, complemented
8#13069209C211yesmaximal, characteristic, complemented
9#13069044C211yesmaximal, characteristic, complemented
10#13068936C211yesmaximal, characteristic, complemented
11#13068931C211yesmaximal, characteristic, complemented
12#13068806C211yesmaximal, characteristic, complemented
13#13068712C211yesmaximal, characteristic, complemented
14C2×#10622189C211yesmaximal, characteristic, complemented
15C11×#1869C211yesmaximal, characteristic, complemented
16C23×C8×C11C2211yescharacteristic
17C2×C4×D4×C11C2211yescharacteristic
18C2×#66992—21no—
19C2×#66983C2211yescharacteristic
20C2×#66983C2211yescharacteristic
21C2×#66979C2211yescharacteristic
22C22×C4⋊Dic11C2211yescharacteristic
23C22×C4⋊Dic11C2211yescharacteristic
24C2×C11×C22⋊C8C2211yescharacteristic
25C2×C11×C22⋊C8C2211yescharacteristic
26C2×C11×C22⋊C8C2211yescharacteristic
27#10622833—21no—
28#10622825C2211yescharacteristic
29#10622825C2211yescharacteristic
30#10622825C2211yescharacteristic
31C2×#66885C2211yescharacteristic
32C2×#66885C2211yescharacteristic
33C2×#66885C2211yescharacteristic
34C2×#66885C2211yescharacteristic
35C2×#66882C2211yescharacteristic
36C2×#66882C2211yescharacteristic
37#10622607—21no—
38#10622594—21no—
39#10622574—21no—
40#10622571—21no—
41#10622564—21no—
42C22⋊C4×Dic11—21no—
43#10622552C2211yescharacteristic
44#10622549C2211yescharacteristic
45C4×C4⋊Dic11C2211yescharacteristic
46#10622541C2211yescharacteristic
47C11×#336C2211yescharacteristic
48C11×#336C2211yescharacteristic
49#10622189C2211yescharacteristic
50#10622189C2211yescharacteristic
51#10622189C2211yescharacteristic
52#10622189C2211yescharacteristic
53#10622189C2211yescharacteristic
54#10622189C2211yescharacteristic
55#10622189C2211yescharacteristic
56#10622189C2211yescharacteristic
57#10622189C2211yescharacteristic
58#10622189C2211yescharacteristic
59C22×D4×C11D411yescharacteristic
60C23×C4×C11C2311yescharacteristic
61C23×C4×C11C2311yescharacteristic
62C22×C22⋊D11—21no—
63C22×C22⋊D11—21no—
64C23×Dic11—21no—
65C23×Dic11—21no—
66C22×D44C2311yescharacteristic
67C22×C8×C11—22no—
68C22×C8×C11—41no—
69C22×C8×C11—41no—
70C22×C8×C11C2311yescharacteristic
71C22×C8×C11C2311yescharacteristic
72C22×C8×C11C2311yescharacteristic
73C22×C8×C11C2311yescharacteristic
74C4×D4×C11—22no—
75C4×D4×C11—22no—
76C2×C11×C4⋊C4D411yescharacteristic
77C2×C11×C22⋊C4D411yescharacteristic
78C2×C11×C22⋊C4D411yescharacteristic
79C2×C42×C11C2311yescharacteristic
80C2×C22⋊Dic11—21no—
81C2×C22⋊Dic11—21no—
82C2×C22⋊Dic11—21no—
83C2×C22⋊Dic11—21no—
84#66992—44no—
85#66983—22no—
86#66983—22no—
87#66983—22no—
88#66983—41no—
89C2×(C2×D11)⋊C4—21no—
90C2×(C2×D11)⋊C4—21no—
91C2×(C2×D11)⋊C4—21no—
92C2×(C2×D11)⋊C4—21no—
93#66979—22no—
94#66979—41no—
95C2×C4⋊Dic11—22no—
96C2×C4⋊Dic11—22no—
97C2×C4⋊Dic11—21no—
98C2×C4⋊Dic11—21no—
99C2×C4⋊Dic11—41no—
100C2×C4⋊Dic11—41no—
101C2×C4⋊Dic11C2311yescharacteristic
102C2×C4⋊Dic11C2311yescharacteristic
103C2×C4⋊Dic11C2311yescharacteristic
104C2×C4⋊Dic11C2311yescharacteristic
105C2×C4⋊Dic11C2311yescharacteristic
106C2×C4⋊Dic11C2311yescharacteristic
107C2×C4⋊Dic11C2311yescharacteristic
108C2×Dic11⋊C4—21no—
109C2×C4×Dic11—21no—
110C2×C4×Dic11—21no—
111C11×C22⋊C8—22no—
112C11×C22⋊C8—41no—
113C11×C22⋊C8—41no—
114C11⋊#95—21no—
115C11⋊#95—21no—
116C11⋊#95—21no—
117C11⋊#95—21no—
118C11⋊#95—21no—
119C11⋊#95—21no—
120C11⋊#95—21no—
121#66885—22no—
122#66885—41no—
123#66885—41no—
124#66885—41no—
125#66882—22no—
126#66882—41no—
127#26208—111nomaximal, Sylow
128C24×C11C2×D411yescharacteristic
129C24×C11C2×D411yescharacteristic
130C23×D11—21no—
131C2×D4×C11—22no—
132C2×D4×C11—22no—
133C2×D4×C11—22no—
134C22×C4×C11—21no—
135C22×C4×C11—21no—
136C22×C4×C11—21no—
137C22×C4×C11—21no—
138C22×C4×C11—21no—
139C22×C4×C11—21no—
140C22×C4×C11—21no—
141C22×C4×C11—21no—
142C22×C4×C11—21no—
143C22×C4×C11—21no—
144C22×C4×C11C2×D411yescharacteristic
145C22×C4×C11C2×D411yescharacteristic
146C22×C4×C11C2×D411yescharacteristic
147C22×C4×C11C2×D411yescharacteristic
148C22×C4×C11#4112yes—
149C22×C4×C11#4112yes—
150C22×C4×C11C2411yescharacteristic
151C2×C22⋊D11—42no—
152C2×C22⋊D11—42no—
153C2×C22⋊D11—42no—
154C2×C22⋊D11—42no—
155C2×C22⋊D11—42no—
156C2×C22⋊D11—81no—
157C22×Dic11—21no—
158C22×Dic11—21no—
159C22×Dic11—21no—
160C22×Dic11—21no—
161C22×Dic11—21no—
162C22×Dic11—21no—
163C22×Dic11—21no—
164C22×Dic11—42no—
165C22×Dic11—42no—
166C22×Dic11—42no—
167C22×Dic11—42no—
168C22×Dic11—81no—
169C22×Dic11—81no—
170C2×D44—21no—
171C2×D44—21no—
172C2×D44—21no—
173C2×D44—21no—
174C2×D44—21no—
175C2×D44—21no—
176C2×C8×C11—21no—
177C2×C8×C11—21no—
178C2×C8×C11—21no—
179C2×C8×C11—21no—
180C2×C8×C11—21no—
181C2×C8×C11—21no—
182C2×C8×C11—21no—
183C2×C8×C11—21no—
184C2×C8×C11—21no—
185C2×C8×C11—21no—
186C2×C8×C11—21no—
187C2×C8×C11—21no—
188C2×C8×C11—44no—
189C11×C4⋊C4—22no—
190C11×C22⋊C4—22no—
191C11×C22⋊C4—22no—
192C42×C11—21no—
193C42×C11—21no—
194C22⋊Dic11—42no—
195C22⋊Dic11—42no—
196C22⋊Dic11—42no—
197C22⋊Dic11—81no—
198(C2×D11)⋊C4—42no—
199(C2×D11)⋊C4—42no—
200(C2×D11)⋊C4—42no—
201(C2×D11)⋊C4—81no—
202C4⋊Dic11—21no—
203C4⋊Dic11—21no—
204C4⋊Dic11—21no—
205C4⋊Dic11—21no—
206C4⋊Dic11—21no—
207C4⋊Dic11—21no—
208C4⋊Dic11—21no—
209C4⋊Dic11—21no—
210C4⋊Dic11—21no—
211C4⋊Dic11—21no—
212C4⋊Dic11—21no—
213C4⋊Dic11—21no—
214C4⋊Dic11—42no—
215C4⋊Dic11—42no—
216C4⋊Dic11#4112yes—
217C4⋊Dic11#4112yes—
218Dic11⋊C4—42no—
219C4×Dic11—42no—
220C4×Dic11—81no—
221#2416—111no—
222#2352—111no—
223#2101—111no—
224#2076—111no—
225#2073—111no—
226#2033—111no—
227#1925—111no—
228#1921—111no—
229#1893—111no—
230#1875—111no—
231#1874—111no—
232#1869D1111yescharacteristic, complemented
233#1852—111no—
234#1825—111no—
235C2×#340—111no—
236C23×C11—21no—
237C23×C11—21no—
238C23×C11—21no—
239C23×C11—21no—
240C23×C11—21no—
241C23×C11—21no—
242C23×C11—21no—
243C23×C11—21no—
244C23×C11—21no—
245C23×C11—21no—
246C23×C11—21no—
247C23×C11#12312yes—
248C23×C11#13512yes—
249C23×C11AGL(1,ℤ/8)12yes—
250C23×C11C22×D411yescharacteristic
251C22×D11—41no—
252C22×D11—41no—
253C22×D11—41no—
254C22×D11—41no—
255C22×D11—41no—
256C22×D11—41no—
257C22×D11—41no—
258D4×C11—44no—
259C2×C4×C11—21no—
260C2×C4×C11—21no—
261C2×C4×C11—22no—
262C2×C4×C11—22no—
263C2×C4×C11—22no—
264C2×C4×C11—22no—
265C2×C4×C11—21no—
266C2×C4×C11—21no—
267C2×C4×C11—21no—
268C2×C4×C11—21no—
269C2×C4×C11—21no—
270C2×C4×C11—21no—
271C2×C4×C11—21no—
272C2×C4×C11—21no—
273C2×C4×C11—21no—
274C2×C4×C11—41no—
275C2×C4×C11—41no—
276C2×C4×C11—41no—
277C2×C4×C11—41no—
278C2×C4×C11#12312yes—
279C2×C4×C11C2×#4111yescharacteristic
280C2×C4×C11C2×#4111yescharacteristic
281C2×C4×C11C2×#4111yescharacteristic
282C2×C4×C11C2×#4111yescharacteristic
283C2×C4×C11H(5,𝔽2)11yescharacteristic
284C2×C4×C11H(5,𝔽2)11yescharacteristic
285C22⋊D11—84no—
286C22⋊D11—84no—
287C2×Dic11—22no—
288C2×Dic11—22no—
289C2×Dic11—41no—
290C2×Dic11—41no—
291C2×Dic11—41no—
292C2×Dic11—41no—
293C2×Dic11—41no—
294C2×Dic11—41no—
295C2×Dic11—41no—
296C2×Dic11—41no—
297C2×Dic11—41no—
298C2×Dic11—41no—
299C2×Dic11—41no—
300C2×Dic11—41no—
301C2×Dic11—41no—
302C2×Dic11—41no—
303C2×Dic11—41no—
304C2×Dic11—41no—
305C2×Dic11—41no—
306C2×Dic11—41no—
307C2×Dic11—41no—
308C2×Dic11—84no—
309C2×Dic11—84no—
310D44—41no—
311D44—41no—
312D44—41no—
313D44—41no—
314C8×C11—41no—
315C8×C11—41no—
316C8×C11—41no—
317C8×C11—41no—
318C23×C8C2×D1111yescharacteristic
319C2×#121—111no—
320C2×#121—111no—
321C2×#121—221no—
322C2×C4×D4C2×D1111yescharacteristic
323C2×#117—111no—
324C22×C4⋊C4—111no—
325C22×C4⋊C4—111no—
326C2×#107—111no—
327C2×#107—111no—
328C2×#102—111no—
329C2×#102—111no—
330C2×#102—111no—
331C2×#102—111no—
332C2×C22⋊C8C2×D1111yescharacteristic
333C2×C22⋊C8C2×D1111yescharacteristic
334C2×C22⋊C8C2×D1111yescharacteristic
335#396—221no—
336#394—221no—
337#390—111no—
338#389—111no—
339#388—221no—
340#387—221no—
341#386—221no—
342#386—221no—
343#382—111no—
344#380—111no—
345#380—111no—
346#380—111no—
347C4×C4⋊C4—111no—
348C4×C22⋊C4—221no—
349#340—111no—
350#340—111no—
351#340—111no—
352#340—111no—
353#340—111no—
354#340—111no—
355#340—111no—
356#340—111no—
357#340—111no—
358#340—111no—
359#336C2×D1111yescharacteristic
360#336C2×D1111yescharacteristic
361C22×C11—22no—
362C22×C11—22no—
363C22×C11—22no—
364C22×C11—22no—
365C22×C11—22no—
366C22×C11—22no—
367C22×C11—41no—
368C22×C11—41no—
369C22×C11—41no—
370C22×C11—41no—
371C22×C11—41no—
372C22×C11—41no—
373C22×C11—41no—
374C22×C11#48214yes—
375C22×C11C2×#12311yescharacteristic
376C22×C11#54611yescharacteristic
377C22×C11#54611yescharacteristic
378C22×C11C2×#13511yescharacteristic
379C22×C11C2×AGL(1,ℤ/8)11yescharacteristic
380C22×C11#57611yescharacteristic
381C22×C11#57811yescharacteristic
382C2×D11—81no—
383C2×D11—81no—
384C2×D11—81no—
385C2×D11—81no—
386C2×D11—81no—
387C2×D11—81no—
388C2×D11—81no—
389C4×C11—22no—
390C4×C11—41no—
391C4×C11—41no—
392C4×C11—41no—
393C4×C11#52911yescharacteristic
394C4×C11#53811yescharacteristic
395C4×C11#55311yescharacteristic
396C4×C11#55311yescharacteristic
397Dic11—42no—
398Dic11—42no—
399Dic11—81no—
400Dic11—81no—
401Dic11—81no—
402Dic11—81no—
403Dic11—81no—
404C22×D4—111no—
405C22×D4—221no—
406C22×D4—221no—
407C22×D4D4411yescharacteristic
408C23×C4—221no—
409C23×C4—221no—
410C23×C4C22×D1111yescharacteristic
411C23×C4C22×D1111yescharacteristic
412C22×C8—22no—
413C22×C8—41no—
414C22×C8—41no—
415C22×C8C22×D1111yescharacteristic
416C22×C8C22×D1111yescharacteristic
417C22×C8C22×D1111yescharacteristic
418C22×C8C22×D1111yescharacteristic
419#121—222no—
420#121—222no—
421#121—222no—
422#121—441no—
423#121—444no—
424C4×D4—22no—
425C4×D4—22no—
426#117—222no—
427#117—441no—
428C2×C4⋊C4—111no—
429C2×C4⋊C4—111no—
430C2×C4⋊C4—111no—
431C2×C4⋊C4—111no—
432C2×C4⋊C4—111no—
433C2×C4⋊C4—111no—
434C2×C4⋊C4—111no—
435C2×C4⋊C4—222no—
436C2×C4⋊C4—222no—
437C2×C4⋊C4—221no—
438C2×C4⋊C4—221no—
439C2×C4⋊C4—221no—
440C2×C4⋊C4—441no—
441C2×C4⋊C4—441no—
442C2×C4⋊C4D4411yescharacteristic
443C2×C22⋊C4—221no—
444C2×C22⋊C4—221no—
445C2×C22⋊C4—221no—
446C2×C22⋊C4—221no—
447C2×C22⋊C4—221no—
448C2×C22⋊C4—221no—
449C2×C22⋊C4—221no—
450C2×C22⋊C4—221no—
451C2×C22⋊C4D4411yescharacteristic
452C2×C22⋊C4D4411yescharacteristic
453C2×C42—221no—
454C2×C42—221no—
455C2×C42C22×D1111yescharacteristic
456#107—222no—
457#107—441no—
458#102—222no—
459#102—441no—
460#102—441no—
461#102—441no—
462C22⋊C8—22no—
463C22⋊C8—41no—
464C22⋊C8—41no—
465#95—221no—
466#95—221no—
467#95—221no—
468#95—221no—
469#95—221no—
470#95—221no—
471#95—221no—
472C2×C11—24no—
473C2×C11—81no—
474C2×C11#244411yescharacteristic
475C2×C11C2×#48211yescharacteristic
476C2×C11#309811yescharacteristic
477C2×C11#329711yescharacteristic
478C2×C11#330011yescharacteristic
479C2×C11#330811yescharacteristic
480C2×C11#331811yescharacteristic
481D11—161no—
482C24—221no—
483C24C2×D4411yescharacteristic
484C24C2×D4411yescharacteristic
485C2×D4—22no—
486C2×D4—22no—
487C2×D4—22no—
488C2×D4—221no—
489C2×D4—221no—
490C2×D4—221no—
491C2×D4—221no—
492C2×D4—221no—
493C2×D4—221no—
494C2×D4—442no—
495C2×D4—442no—
496C2×D4—442no—
497C2×D4—442no—
498C2×D4—442no—
499C2×D4—881no—
500C22×C4—21no—
501C22×C4—21no—
502C22×C4—21no—
503C22×C4—21no—
504C22×C4—21no—
505C22×C4—21no—
506C22×C4—21no—
507C22×C4—21no—
508C22×C4—21no—
509C22×C4—21no—
510C22×C4—221no—
511C22×C4—221no—
512C22×C4—221no—
513C22×C4—221no—
514C22×C4—221no—
515C22×C4—221no—
516C22×C4—221no—
517C22×C4—442no—
518C22×C4—442no—
519C22×C4—442no—
520C22×C4—442no—
521C22×C4—881no—
522C22×C4—881no—
523C22×C4C2×D4411yescharacteristic
524C22×C4C2×D4411yescharacteristic
525C22×C4C2×D4411yescharacteristic
526C22×C4C2×D4411yescharacteristic
527C22×C4#434112yes—
528C22×C4#434112yes—
529C22×C4C23×D1111yescharacteristic
530C2×C8—21no—
531C2×C8—21no—
532C2×C8—21no—
533C2×C8—21no—
534C2×C8—21no—
535C2×C8—21no—
536C2×C8—21no—
537C2×C8—21no—
538C2×C8—21no—
539C2×C8—21no—
540C2×C8—21no—
541C2×C8—21no—
542C2×C8—44no—
543C4⋊C4—22no—
544C4⋊C4—112no—
545C4⋊C4—112no—
546C4⋊C4—221no—
547C4⋊C4—221no—
548C4⋊C4—221no—
549C4⋊C4—221no—
550C4⋊C4—221no—
551C4⋊C4—221no—
552C4⋊C4—221no—
553C4⋊C4—221no—
554C4⋊C4—221no—
555C4⋊C4—221no—
556C4⋊C4—221no—
557C4⋊C4—221no—
558C4⋊C4—442no—
559C4⋊C4—442no—
560C4⋊C4—442no—
561C22⋊C4—22no—
562C22⋊C4—22no—
563C22⋊C4—442no—
564C22⋊C4—442no—
565C22⋊C4—442no—
566C22⋊C4—442no—
567C22⋊C4—442no—
568C22⋊C4—442no—
569C22⋊C4—881no—
570C22⋊C4—881no—
571C42—21no—
572C42—21no—
573C42—442no—
574C42—881no—
575C11#2620811yescharacteristic, complemented, Sylow
576C23—21no—
577C23—21no—
578C23—21no—
579C23—21no—
580C23—21no—
581C23—21no—
582C23—21no—
583C23—21no—
584C23—21no—
585C23—21no—
586C23—21no—
587C23—441no—
588C23—441no—
589C23—441no—
590C23—441no—
591C23—441no—
592C23—441no—
593C23—441no—
594C23#6693912yes—
595C23#6695712yes—
596C23#6696112yes—
597C23C22×D4411yescharacteristic
598D4—44no—
599D4—441no—
600D4—441no—
601D4—441no—
602D4—441no—
603D4—884no—
604D4—884no—
605C2×C4—21no—
606C2×C4—21no—
607C2×C4—22no—
608C2×C4—22no—
609C2×C4—22no—
610C2×C4—22no—
611C2×C4—21no—
612C2×C4—21no—
613C2×C4—21no—
614C2×C4—21no—
615C2×C4—21no—
616C2×C4—21no—
617C2×C4—21no—
618C2×C4—21no—
619C2×C4—21no—
620C2×C4—41no—
621C2×C4—41no—
622C2×C4—41no—
623C2×C4—41no—
624C2×C4—222no—
625C2×C4—222no—
626C2×C4—441no—
627C2×C4—441no—
628C2×C4—441no—
629C2×C4—441no—
630C2×C4—441no—
631C2×C4—441no—
632C2×C4—441no—
633C2×C4—441no—
634C2×C4—441no—
635C2×C4—441no—
636C2×C4—441no—
637C2×C4—441no—
638C2×C4—441no—
639C2×C4—441no—
640C2×C4—441no—
641C2×C4—441no—
642C2×C4—441no—
643C2×C4—441no—
644C2×C4—441no—
645C2×C4—884no—
646C2×C4—884no—
647C2×C4#6693912yes—
648C2×C4C2×#434111yescharacteristic
649C2×C4C2×#434111yescharacteristic
650C2×C4#6703711yescharacteristic
651C2×C4#6703711yescharacteristic
652C2×C4#41×D1111yescharacteristic
653C2×C4#41×D1111yescharacteristic
654C8—41no—
655C8—41no—
656C8—41no—
657C8—41no—
658C22—22no—
659C22—22no—
660C22—22no—
661C22—22no—
662C22—22no—
663C22—22no—
664C22—41no—
665C22—41no—
666C22—41no—
667C22—41no—
668C22—41no—
669C22—41no—
670C22—41no—
671C22—881no—
672C22—881no—
673C22—881no—
674C22—881no—
675C22—881no—
676C22—881no—
677C22—881no—
678C22#1062235014yes—
679C22C2×#6693911yescharacteristic
680C22#1062308511yescharacteristic
681C22#1062308511yescharacteristic
682C22C2×#6695711yescharacteristic
683C22C2×#6696111yescharacteristic
684C22#1062328311yescharacteristic
685C22#1062328411yescharacteristic
686C4—22no—
687C4—41no—
688C4—41no—
689C4—41no—
690C4—442no—
691C4—442no—
692C4—881no—
693C4—881no—
694C4—881no—
695C4—881no—
696C4—881no—
697C4#1062312411yescharacteristic
698C4#1062313211yescharacteristic
699C4#1062313211yescharacteristic
700C4#1062318011yescharacteristic
701C2—24no—
702C2—81no—
703C2—1761no—
704C2#1307236411yescharacteristic
705C2C2×#1062235011yescharacteristic
706C2#1307859611yescharacteristic
707C2#1308046811yescharacteristic
708C2#1308050511yescharacteristic
709C2#1308060911yescharacteristic
710C2#1308075911yescharacteristic
subgroupG/H
centerC23C22×D44
commutator, cosocleC22×C4×C11C24
FrattiniC22×C4C23×D11
FittingC11×#1869C2
socleC23×C11C22×D4
prime radical#13072056C2
hypercenter#1869D11
hypocenterC11#26208
LCSG ▷ C22×C4×C11 ▷ C2×C11 ▷ C11
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ #1869

Complements

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

NH ≅ G/Ntype
2. #13071545C2semidirect
3. #13070185C2semidirect
4. #13070044C2semidirect
5. #13070031C2semidirect
6. #13069799C2semidirect
7. #13069237C2semidirect
8. #13069209C2semidirect
9. #13069044C2semidirect
10. #13068936C2semidirect
11. #13068931C2semidirect
12. #13068806C2semidirect
13. #13068712C2semidirect
14. C2×#10622189C2semidirect
15. C11×#1869C2semidirect
232. #1869D11semidirect
575. C11#26208semidirect

Maximal subgroups

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

subgroupindex
#130720562
#130715452
#130701852
#130700442
#130700312
#130697992
#130692372
#130692092
#130690442
#130689362
#130689312
#130688062
#130687122
C2×#106221892
C11×#18692
#2620811