Finite Group Databasebeta

← #6459064

Subgroups — #6459064

Order 512.

1840 conjugacy classes of subgroups.

The subgroup lattice has 773 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#36625C211yesmaximal, characteristic
2C2×#2283C211yesmaximal, characteristic
3#27983C211yesmaximal, characteristic, complemented
4#27969C211yesmaximal, characteristic, complemented
5#27956C211yesmaximal, characteristic, complemented
6#27919C211yesmaximal, characteristic, complemented
7#27896C212yesmaximal, complemented
8#27882C212yesmaximal, complemented
9#27860C214yesmaximal, complemented
10#24552C212yesmaximal
11#24551C212yesmaximal
12#23765C214yesmaximal, complemented
13#21581C212yesmaximal, complemented
14#21579C212yesmaximal, complemented
15#21407C212yesmaximal, complemented
16#20823C212yesmaximal, complemented
17C2×#1749C211yesmaximal, characteristic
18C2×#533C2211yescharacteristic
19C23×C42C2211yescharacteristic
20C2×#484C2212yes—
21C2×#483C2212yes—
22C22×C22⋊C8C2212yes—
23C22×#97C2212yes—
24#2857C2211yescharacteristic
25#2857C2211yescharacteristic
26#2857C2211yescharacteristic
27#2857C2211yescharacteristic
28#2855—21no—
29#2855C2212yes—
30#2851—21no—
31#2851—21no—
32#2848—21no—
33#2848C2212yes—
34C4×C22⋊Q8—21no—
35C4×C22⋊Q8—21no—
36C4×C22⋊Q8C2212yes—
37C4×C22⋊Q8C2212yes—
38#2296—21no—
39#2285C2211yescharacteristic
40#2283—21no—
41#2283—21no—
42#2283—21no—
43#2283—21no—
44#2283C2212yes—
45#2283C2212yes—
46#2283C2212yes—
47#2283C2212yes—
48C2×#383—21no—
49C2×#382C2211yescharacteristic
50C2×#382C2211yescharacteristic
51#2280—21no—
52C2×#381—21no—
53C2×#380C2211yescharacteristic
54C2×#380C2211yescharacteristic
55C2×C4×C4⋊C4C2211yescharacteristic
56C2×C4×C4⋊C4C2211yescharacteristic
57C2×C4×C22⋊C4—21no—
58C2×#376—21no—
59#2101C2214yescomplemented
60#2097C2214yescomplemented
61#2085C2214yescomplemented
62#2077C2214yes—
63#2076C2214yes—
64#2074C2214yescomplemented
65#2036C2214yes—
66#2035C2214yes—
67#1993C2212yescomplemented
68#1993C2212yescomplemented
69#1960C2212yescomplemented
70#1960C2212yescomplemented
71#1928C2214yescomplemented
72#1927C2214yescomplemented
73#1919C2214yescomplemented
74#1918C2214yescomplemented
75#1892C2214yes—
76#1892C2214yes—
77#1872C2212yes—
78#1872C2212yes—
79#1853C2212yes—
80#1852C2212yes—
81#1847C2212yescomplemented
82#1847C2212yescomplemented
83#1836C2212yescomplemented
84#1836C2212yescomplemented
85#1824C2212yes—
86#1823C2212yes—
87#1808C2214yes—
88#1807C2214yes—
89#1776C2214yescomplemented
90#1776C2214yescomplemented
91#1763C2214yescomplemented
92#1763C2214yescomplemented
93#1749C2211yescharacteristic
94#1749C2211yescharacteristic
95#1749C2212yes—
96#1749C2212yes—
97#1749C2212yes—
98C2×#336C2212yes—
99C24×C4D411yescharacteristic
100C24×C4D411yescharacteristic
101C24×C4C2311yescharacteristic
102C23×C8C2314yes—
103#533—28no—
104C2×C4⋊Q8C2311yescharacteristic
105C2×C4⋊Q8C2311yescharacteristic
106C2×#125—21no—
107C2×C22⋊Q8—21no—
108C2×C22⋊Q8—21no—
109C2×C22⋊Q8—21no—
110C2×C22⋊Q8C2312yes—
111C2×C22⋊Q8C2312yes—
112C2×C22⋊Q8C2312yes—
113C2×C4×Q8—21no—
114C2×C4×Q8C2312yes—
115C2×#117—21no—
116C2×#117—21no—
117C22×C4⋊C4C2311yescharacteristic
118C22×C4⋊C4C2311yescharacteristic
119C22×C4⋊C4C2311yescharacteristic
120C22×C4⋊C4C2311yescharacteristic
121C22×C22⋊C4—21no—
122C22×C22⋊C4—21no—
123C22×C42—28no—
124C22×C42—21no—
125C22×C42—21no—
126C22×C42D411yescharacteristic
127C22×C42D411yescharacteristic
128C22×C42D411yescharacteristic
129C22×C42D411yescharacteristic
130C22×C42D411yescharacteristic
131C22×C42D411yescharacteristic
132C22×C42C2311yescharacteristic
133C22×C42C2311yescharacteristic
134C22×C42C2311yescharacteristic
135C22×C42C2311yescharacteristic
136C22×C42C2311yescharacteristic
137C22×C42C2311yescharacteristic
138#484—28no—
139#483—28no—
140C2×#107C2314yes—
141C2×#107C2314yes—
142C2×#106C2314yes—
143C2×#106C2314yes—
144C2×#103C2314yes—
145C2×#103C2314yes—
146C2×#103C2314yes—
147C2×#103C2314yes—
148C2×C22⋊C8—28no—
149C2×C22⋊C8C2314yes—
150C2×C22⋊C8C2312yes—
151C2×C22⋊C8C2312yes—
152C2×#97—28no—
153C2×#97C2312yes—
154C2×#97C2312yes—
155C2×#97C2314yes—
156#391—21no—
157#391—21no—
158#391C2312yes—
159#391C2312yes—
160#389—21no—
161#389—21no—
162#389—21no—
163#389—21no—
164#389—21no—
165#389—21no—
166#389C2312yes—
167#389C2312yes—
168#387—22no—
169#387—22no—
170#387—22no—
171#387—22no—
172#385—22no—
173#385—22no—
174#385—22no—
175#385—22no—
176#385—22no—
177#385—22no—
178#384C2311yescharacteristic
179#384C2311yescharacteristic
180#383—22no—
181#383—22no—
182#383—22no—
183#383—22no—
184#382—21no—
185#382—21no—
186#382—21no—
187#382—21no—
188#382—21no—
189#382C2312yes—
190#382C2312yes—
191#382C2312yes—
192#382C2312yes—
193#381—22no—
194#381—22no—
195#381—22no—
196#381—22no—
197#381—22no—
198#380—21no—
199#380—21no—
200#380—21no—
201#380—21no—
202#380—21no—
203#380—21no—
204#380—21no—
205#380—21no—
206#380—21no—
207#380—21no—
208#380—21no—
209#380C2312yes—
210#380C2312yes—
211#380C2312yes—
212#380C2312yes—
213#380C2312yes—
214#380C2312yes—
215#380C2312yes—
216#379—22no—
217C4×C4⋊C4—21no—
218C4×C4⋊C4—21no—
219C4×C4⋊C4—21no—
220C4×C4⋊C4—21no—
221C4×C4⋊C4—21no—
222C4×C4⋊C4—22no—
223C4×C4⋊C4—22no—
224C4×C4⋊C4C2312yes—
225C4×C4⋊C4C2312yes—
226C4×C4⋊C4C2312yes—
227C4×C4⋊C4C2312yes—
228C4×C4⋊C4C2312yes—
229C4×C22⋊C4—22no—
230C4×C22⋊C4—22no—
231C4×C22⋊C4—22no—
232C4×C22⋊C4—22no—
233C4×C22⋊C4—22no—
234C4×C22⋊C4—22no—
235#376—22no—
236#376—22no—
237#376—22no—
238#376—22no—
239C2×#95—21no—
240C2×#95—21no—
241C2×#95—21no—
242C2×#95—21no—
243C2×#95—21no—
244C2×#95—21no—
245C2×#95—21no—
246C2×#95—21no—
247#340C2314yes—
248#340C2314yes—
249#340C2314yes—
250#340C2314yes—
251#340C2314yes—
252#340C2314yes—
253#340C2314yes—
254#340C2314yes—
255#336C2312yes—
256#336C2312yes—
257#336C2314yes—
258C25C2×D411yescharacteristic
259C22×Q8—21no—
260C22×Q8C2412yes—
261C23×C4—24no—
262C23×C4—24no—
263C23×C4—24no—
264C23×C4—24no—
265C23×C4—24no—
266C23×C4—21no—
267C23×C4—21no—
268C23×C4—21no—
269C23×C4—21no—
270C23×C4—42no—
271C23×C4—42no—
272C23×C4—42no—
273C23×C4—42no—
274C23×C4C2×D411yescharacteristic
275C23×C4C2×D411yescharacteristic
276C23×C4C2×D411yescharacteristic
277C23×C4C2×D411yescharacteristic
278C23×C4C2×D411yescharacteristic
279C23×C4C2×D411yescharacteristic
280C23×C4C2×D411yescharacteristic
281C23×C4C2×D411yescharacteristic
282C23×C4C2×D411yescharacteristic
283C23×C4C2×D411yescharacteristic
284C23×C4C2×D411yescharacteristic
285C23×C4C2×D411yescharacteristic
286C23×C4C2×D411yescharacteristic
287C23×C4C2×D411yescharacteristic
288C23×C4C2×D411yescharacteristic
289C23×C4C2411yescharacteristic
290C23×C4C2411yescharacteristic
291C23×C4C2411yescharacteristic
292C22×C8—28no—
293C22×C8—28no—
294C22×C8—44no—
295C22×C8C2414yes—
296C22×C8C2414yes—
297C4⋊Q8—24no—
298C4⋊Q8—24no—
299#125—44no—
300C22⋊Q8—28no—
301C22⋊Q8—24no—
302C22⋊Q8—24no—
303C22⋊Q8—44no—
304C22⋊Q8—44no—
305C22⋊Q8—44no—
306C22⋊Q8—44no—
307C4×Q8—28no—
308C4×Q8—44no—
309#117—44no—
310#117—44no—
311C2×C4⋊C4—24no—
312C2×C4⋊C4—24no—
313C2×C4⋊C4—21no—
314C2×C4⋊C4—21no—
315C2×C4⋊C4—21no—
316C2×C4⋊C4—21no—
317C2×C4⋊C4—21no—
318C2×C4⋊C4—21no—
319C2×C4⋊C4—21no—
320C2×C4⋊C4—21no—
321C2×C4⋊C4—21no—
322C2×C4⋊C4—22no—
323C2×C4⋊C4—22no—
324C2×C4⋊C4—21no—
325C2×C4⋊C4—21no—
326C2×C4⋊C4—22no—
327C2×C4⋊C4—22no—
328C2×C4⋊C4—22no—
329C2×C4⋊C4—22no—
330C2×C4⋊C4—42no—
331C2×C4⋊C4—42no—
332C2×C4⋊C4C2412yes—
333C2×C4⋊C4C2412yes—
334C2×C4⋊C4C2412yes—
335C2×C4⋊C4C2412yes—
336C2×C4⋊C4C2412yes—
337C2×C4⋊C4C2412yes—
338C2×C4⋊C4C2412yes—
339C2×C22⋊C4—22no—
340C2×C22⋊C4—22no—
341C2×C22⋊C4—22no—
342C2×C22⋊C4—22no—
343C2×C22⋊C4—22no—
344C2×C22⋊C4—22no—
345C2×C22⋊C4—22no—
346C2×C22⋊C4—22no—
347C2×C22⋊C4—22no—
348C2×C22⋊C4—22no—
349C2×C22⋊C4—44no—
350C2×C22⋊C4—44no—
351C2×C42—24no—
352C2×C42—24no—
353C2×C42—24no—
354C2×C42—24no—
355C2×C42—24no—
356C2×C42—24no—
357C2×C42—24no—
358C2×C42—24no—
359C2×C42—24no—
360C2×C42—24no—
361C2×C42—24no—
362C2×C42—22no—
363C2×C42—22no—
364C2×C42—22no—
365C2×C42—22no—
366C2×C42—22no—
367C2×C42—22no—
368C2×C42—44no—
369C2×C42—44no—
370C2×C42C2×D411yescharacteristic
371C2×C42C2×D411yescharacteristic
372C2×C42C2×D411yescharacteristic
373C2×C42C2×D411yescharacteristic
374C2×C42C2×D411yescharacteristic
375C2×C42C2×D411yescharacteristic
376C2×C42C2×D411yescharacteristic
377C2×C42C2×D411yescharacteristic
378C2×C42C2×D411yescharacteristic
379C2×C42C2×D411yescharacteristic
380C2×C42C2×D411yescharacteristic
381C2×C42C2×D411yescharacteristic
382C2×C42#4118yes—
383C2×C42C2411yescharacteristic
384C2×C42C2411yescharacteristic
385C2×C42C2411yescharacteristic
386C2×C42C2411yescharacteristic
387#107—28no—
388#107—44no—
389#106—28no—
390#106—44no—
391#103—28no—
392#103—28no—
393#103—44no—
394#103—44no—
395C22⋊C8—24no—
396C22⋊C8—28no—
397C22⋊C8#4118yes—
398#97—28no—
399#97—24no—
400#97—24no—
401#95—22no—
402#95—22no—
403#95—22no—
404#95—22no—
405#95—22no—
406#95—22no—
407#95—22no—
408#95—22no—
409#95—22no—
410#95—22no—
411#95—22no—
412#95—22no—
413#95—22no—
414#95—22no—
415#95—22no—
416#95—22no—
417#95—22no—
418#95—22no—
419#95—22no—
420#95—22no—
421#95—22no—
422#95—22no—
423#95—22no—
424#95—22no—
425#95—22no—
426#95—22no—
427C24—22no—
428C24—22no—
429C24—22no—
430C24—22no—
431C24—41no—
432C24—41no—
433C24#13714yes—
434C24C22×D411yescharacteristic
435C24C22×D411yescharacteristic
436C24C22×D411yescharacteristic
437C2×Q8—22no—
438C2×Q8—22no—
439C2×Q8—24no—
440C2×Q8—24no—
441C2×Q8—42no—
442C2×Q8—42no—
443C2×Q8—42no—
444C22×C4—22no—
445C22×C4—22no—
446C22×C4—22no—
447C22×C4—22no—
448C22×C4—22no—
449C22×C4—22no—
450C22×C4—22no—
451C22×C4—22no—
452C22×C4—22no—
453C22×C4—22no—
454C22×C4—22no—
455C22×C4—22no—
456C22×C4—22no—
457C22×C4—22no—
458C22×C4—22no—
459C22×C4—22no—
460C22×C4—22no—
461C22×C4—22no—
462C22×C4—22no—
463C22×C4—22no—
464C22×C4—22no—
465C22×C4—22no—
466C22×C4—22no—
467C22×C4—22no—
468C22×C4—22no—
469C22×C4—22no—
470C22×C4—22no—
471C22×C4—22no—
472C22×C4—22no—
473C22×C4—22no—
474C22×C4—22no—
475C22×C4—22no—
476C22×C4—22no—
477C22×C4—22no—
478C22×C4—22no—
479C22×C4—22no—
480C22×C4—22no—
481C22×C4—22no—
482C22×C4—22no—
483C22×C4—22no—
484C22×C4—22no—
485C22×C4—22no—
486C22×C4—22no—
487C22×C4—22no—
488C22×C4—41no—
489C22×C4—41no—
490C22×C4—41no—
491C22×C4—41no—
492C22×C4—41no—
493C22×C4—41no—
494C22×C4—41no—
495C22×C4—41no—
496C22×C4—41no—
497C22×C4—41no—
498C22×C4—41no—
499C22×C4—41no—
500C22×C4—41no—
501C22×C4—41no—
502C22×C4—416no—
503C22×C4—416no—
504C22×C4—416no—
505C22×C4—42no—
506C22×C4—42no—
507C22×C4—42no—
508C22×C4—42no—
509C22×C4—42no—
510C22×C4—42no—
511C22×C4—42no—
512C22×C4—42no—
513C22×C4—42no—
514C22×C4—42no—
515C22×C4—42no—
516C22×C4—42no—
517C22×C4#12314yes—
518C22×C4#12314yes—
519C22×C4C22×D411yescharacteristic
520C22×C4C22×D411yescharacteristic
521C22×C4C22×D411yescharacteristic
522C22×C4C22×D411yescharacteristic
523C22×C4C22×D411yescharacteristic
524C22×C4C22×D411yescharacteristic
525C22×C4C22×D411yescharacteristic
526C22×C4C22×D411yescharacteristic
527C22×C4C22×D411yescharacteristic
528C22×C4C22×D411yescharacteristic
529C22×C4C22×D411yescharacteristic
530C22×C4C2×#4114yes—
531C22×C4C2×#4114yes—
532C22×C4C2511yescharacteristic
533C2×C8—24no—
534C2×C8—24no—
535C2×C8—24no—
536C2×C8—24no—
537C2×C8—24no—
538C2×C8—416no—
539C2×C8C2×#4118yes—
540C4⋊C4—24no—
541C4⋊C4—24no—
542C4⋊C4—22no—
543C4⋊C4—22no—
544C4⋊C4—24no—
545C4⋊C4—24no—
546C4⋊C4—24no—
547C4⋊C4—24no—
548C4⋊C4—42no—
549C4⋊C4—42no—
550C4⋊C4—42no—
551C4⋊C4—42no—
552C4⋊C4—42no—
553C4⋊C4—42no—
554C4⋊C4—44no—
555C4⋊C4—44no—
556C4⋊C4—42no—
557C4⋊C4—42no—
558C4⋊C4—44no—
559C4⋊C4—44no—
560C4⋊C4—42no—
561C4⋊C4—42no—
562C4⋊C4—42no—
563C4⋊C4—44no—
564C4⋊C4—44no—
565C22⋊C4—44no—
566C22⋊C4—44no—
567C22⋊C4—44no—
568C22⋊C4—44no—
569C22⋊C4—44no—
570C22⋊C4—44no—
571C22⋊C4—44no—
572C22⋊C4—44no—
573C22⋊C4—44no—
574C22⋊C4—44no—
575C42—22no—
576C42—22no—
577C42—22no—
578C42—22no—
579C42—22no—
580C42—22no—
581C42—22no—
582C42—22no—
583C42—22no—
584C42—22no—
585C42—22no—
586C42—22no—
587C42—44no—
588C42—44no—
589C42—44no—
590C42—44no—
591C42—44no—
592C42—44no—
593C42#12314yes—
594C42#12314yes—
595C42C2×#4114yes—
596C42C2×#4114yes—
597C23—21no—
598C23—21no—
599C23—21no—
600C23—21no—
601C23—21no—
602C23—21no—
603C23—21no—
604C23—21no—
605C23—28no—
606C23—21no—
607C23—28no—
608C23—21no—
609C23—21no—
610C23—21no—
611C23—21no—
612C23—21no—
613C23—44no—
614C23—44no—
615C23—44no—
616C23—44no—
617C23—44no—
618C23C2×#12312yes—
619C23#53212yes—
620C23C2×#13712yes—
621C23C2×#13712yes—
622C23C2×#13712yes—
623C23#57512yes—
624C23#57512yes—
625C23C23×D411yescharacteristic
626Q8—44no—
627Q8—44no—
628Q8—84no—
629C2×C4—28no—
630C2×C4—28no—
631C2×C4—21no—
632C2×C4—21no—
633C2×C4—21no—
634C2×C4—21no—
635C2×C4—21no—
636C2×C4—21no—
637C2×C4—21no—
638C2×C4—21no—
639C2×C4—21no—
640C2×C4—21no—
641C2×C4—21no—
642C2×C4—21no—
643C2×C4—21no—
644C2×C4—21no—
645C2×C4—28no—
646C2×C4—28no—
647C2×C4—21no—
648C2×C4—21no—
649C2×C4—21no—
650C2×C4—21no—
651C2×C4—21no—
652C2×C4—21no—
653C2×C4—21no—
654C2×C4—21no—
655C2×C4—21no—
656C2×C4—21no—
657C2×C4—21no—
658C2×C4—21no—
659C2×C4—44no—
660C2×C4—44no—
661C2×C4—44no—
662C2×C4—44no—
663C2×C4—44no—
664C2×C4—44no—
665C2×C4—44no—
666C2×C4—44no—
667C2×C4—44no—
668C2×C4—44no—
669C2×C4—44no—
670C2×C4—44no—
671C2×C4—44no—
672C2×C4—44no—
673C2×C4—42no—
674C2×C4—42no—
675C2×C4—42no—
676C2×C4—42no—
677C2×C4—42no—
678C2×C4—42no—
679C2×C4—42no—
680C2×C4—42no—
681C2×C4—42no—
682C2×C4—42no—
683C2×C4—42no—
684C2×C4—42no—
685C2×C4—42no—
686C2×C4—42no—
687C2×C4—42no—
688C2×C4—42no—
689C2×C4—42no—
690C2×C4—42no—
691C2×C4—42no—
692C2×C4—42no—
693C2×C4—42no—
694C2×C4—42no—
695C2×C4—42no—
696C2×C4—42no—
697C2×C4—84no—
698C2×C4—84no—
699C2×C4—84no—
700C2×C4—84no—
701C2×C4C2×#12312yes—
702C2×C4C2×#12312yes—
703C2×C4C2×#12312yes—
704C2×C4C2×#12312yes—
705C2×C4C2×#12312yes—
706C2×C4#53212yes—
707C2×C4#57512yes—
708C2×C4C22×#4112yes—
709C2×C4C22×#4112yes—
710C2×C4#58512yes—
711C8—28no—
712C8—44no—
713C22—22no—
714C22—22no—
715C22—22no—
716C22—22no—
717C22—22no—
718C22—22no—
719C22—22no—
720C22—22no—
721C22—22no—
722C22—22no—
723C22—22no—
724C22—22no—
725C22—22no—
726C22—22no—
727C22—22no—
728C22—416no—
729C22—41no—
730C22—41no—
731C22—41no—
732C22—41no—
733C22#309514yes—
734C22#318114yes—
735C22C22×#12311yescharacteristic
736C22C2×#53211yescharacteristic
737C22#344911yescharacteristic
738C22C22×#13711yescharacteristic
739C22C2×#57511yescharacteristic
740C22C2×#57511yescharacteristic
741C22C2×#57511yescharacteristic
742C4—22no—
743C4—22no—
744C4—22no—
745C4—22no—
746C4—22no—
747C4—22no—
748C4—22no—
749C4—41no—
750C4—41no—
751C4—41no—
752C4—41no—
753C4—82no—
754C4—82no—
755C4—82no—
756C4—82no—
757C4—82no—
758C4—82no—
759C4—82no—
760C4—82no—
761C4#347514yes—
762C2—24no—
763C2—24no—
764C2—42no—
765C2#3481011yescharacteristic
766C2C2×#309511yescharacteristic
767C2#6051111yescharacteristic
768C2C2×#318111yescharacteristic
769C2#6070211yescharacteristic
770C2#6095911yescharacteristic
771C2#6096011yescharacteristic
subgroupG/H
center, socleC23C23×D4
commutator, Frattini, cosocleC22×C4C25
prime radicalC25C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C23×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
3. #27983C2semidirect
4. #27969C2semidirect
5. #27956C2semidirect
6. #27919C2semidirect
7. #27896C2semidirect
8. #27882C2semidirect
9. #27860C2semidirect
12. #23765C2semidirect
13. #21581C2semidirect
14. #21579C2semidirect
15. #21407C2semidirect
16. #20823C2semidirect
59. #2101C22semidirect
60. #2097C22semidirect
61. #2085C22semidirect
64. #2074C22semidirect
67. #1993C22semidirect
68. #1993C22semidirect
69. #1960C22semidirect
70. #1960C22semidirect
71. #1928C22semidirect
72. #1927C22semidirect
73. #1919C22semidirect
74. #1918C22semidirect
81. #1847C22semidirect
82. #1847C22semidirect
83. #1836C22semidirect
84. #1836C22semidirect
89. #1776C22semidirect
90. #1776C22semidirect
91. #1763C22semidirect
92. #1763C22semidirect

Maximal subgroups

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

subgroupindex
#366252
C2×#22832
#279832
#279692
#279562
#279192
#278962
#278822
#278602
#245522
#245512
#237652
#215812
#215792
#214072
#208232
C2×#17492