Finite Group Databasebeta

← #32158336

Subgroups — #32158336

Order 18176.

2186 conjugacy classes of subgroups.

The subgroup lattice has 634 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#22591476C214yesmaximal, complemented
2#22591452C212yesmaximal, complemented
3#22591446C212yesmaximal, complemented
4#22591297C212yesmaximal, complemented
5#22591289C212yesmaximal, complemented
6#22591269C212yesmaximal, complemented
7#22591269C212yesmaximal, complemented
8#22591107C212yesmaximal
9#22591098C212yesmaximal, complemented
10#22590949C212yesmaximal, complemented
11#126×Dic71C214yesmaximal, complemented
12#22590738C211yesmaximal, characteristic, complemented
13#22590696C212yesmaximal, complemented
14C4×#14556087C211yesmaximal, characteristic, complemented
15C2×#529×C71C211yesmaximal, characteristic
16C2×#14556087C2212yes—
17C2×#14556087C2212yes—
18C22×C4⋊Dic71C2212yes—
19#17985906C2214yes—
20#17985902C2214yes—
21#17985892C2214yes—
22#17985892C2214yes—
23#17985892C2214yes—
24#17985892C2214yes—
25#17985892C2214yes—
26#17985892C2214yes—
27#17985885C2214yes—
28#17985885C2214yes—
29#17985885C2214yes—
30#17985885C2214yes—
31#17985885C2214yes—
32#17985885C2214yes—
33#17985879C2214yes—
34#17985879C2214yes—
35#17985869C2212yes—
36#17985867C2212yes—
37#17985865C2212yes—
38#17985865C2212yes—
39#17985862C2212yes—
40#17985859C2211yescharacteristic
41#17985859C2211yescharacteristic
42#17985859C2212yes—
43#17985859C2212yes—
44C4⋊C4×Dic71C2214yes—
45C4⋊C4×Dic71C2214yes—
46C4⋊C4×Dic71C2214yes—
47C4⋊C4×Dic71C2214yes—
48C4×C4⋊Dic71C2212yes—
49C4×C4⋊Dic71C2212yes—
50C4×C4⋊Dic71C2212yes—
51C4×C4⋊Dic71C2212yes—
52C4×C4⋊Dic71C2211yescharacteristic
53C4×C4⋊Dic71C2211yescharacteristic
54C22⋊C4×Dic71C2214yes—
55C22⋊C4×Dic71C2214yes—
56C22⋊C4×Dic71C2214yes—
57C22⋊C4×Dic71C2214yes—
58C4×C22⋊Dic71C2212yes—
59C4×C22⋊Dic71C2212yes—
60C4×C22⋊Dic71C2212yes—
61#17985845C2212yes—
62#17985845C2212yes—
63C42×Dic71C2212yes—
64#529×C71C4116yescomplemented
65C2×#126×C71C2212yes—
66C2×#125×C71C2211yescharacteristic
67C2×#124×C71C2211yescharacteristic
68C2×#123×C71C2212yes—
69C2×C22⋊Q8×C71C2211yescharacteristic
70C2×#121×C71C2211yescharacteristic
71C2×C4×Q8×C71C2211yescharacteristic
72C2×C4×D4×C71C2211yescharacteristic
73C2×C4×D4×C71C2212yes—
74C2×#117×C71C2212yes—
75C22×C42×C71C2211yescharacteristic
76C23×Dic71C2314yes—
77#14556087—28no—
78#14556087—28no—
79C2×C4⋊Dic71—28no—
80C2×C4⋊Dic71C2312yes—
81C2×C4⋊Dic71C2312yes—
82C2×C4⋊Dic71C2312yes—
83C2×C4⋊Dic71C2314yes—
84C2×C4⋊Dic71C2314yes—
85C2×C4⋊Dic71C2314yes—
86C2×C4⋊Dic71C2312yes—
87C2×C22⋊Dic71C2314yes—
88C2×C22⋊Dic71C2314yes—
89C2×C22⋊Dic71C2312yes—
90C2×C22⋊Dic71C2312yes—
91C2×C22⋊Dic71C2314yes—
92C2×C22⋊Dic71C2314yes—
93C2×C4×Dic71C2314yes—
94C2×C4×Dic71C2314yes—
95C2×C4×Dic71C2312yes—
96C2×C4×Dic71C2314yes—
97C2×C4×Dic71C2312yes—
98C2×C4×Dic71C2314yes—
99C2×C4×Dic71C2314yes—
100C2×C4×Dic71C2314yes—
101C71⋊#95C2312yes—
102C71⋊#95C2314yes—
103C71⋊#95C2312yes—
104C71⋊#95C2312yes—
105C71⋊#95C2312yes—
106C71⋊#95C2314yes—
107C71⋊#95C2314yes—
108C71⋊#95C2314yes—
109C71⋊#95C2314yes—
110C71⋊#95C2314yes—
111C71⋊#95C2314yes—
112C71⋊#95C2314yes—
113C71⋊#95C2314yes—
114C71⋊#95C2314yes—
115C22×Q8×C71C2311yescharacteristic
116C22×D4×C71C2311yescharacteristic
117C22×D4×C71C2312yes—
118C23×C4×C71C2311yescharacteristic
119C23×C4×C71C2312yes—
120C23×C4×C71C2311yescharacteristic
121C23×C4×C71C2311yescharacteristic
122#126×C71C2×C4116yescomplemented
123#125×C71C2×C418yescomplemented
124#124×C71C2×C418yes—
125#123×C71C2×C4116yescomplemented
126C22⋊Q8×C71C2×C418yescomplemented
127#121×C71C2×C418yes—
128C4×Q8×C71C2×C418yescomplemented
129C4×D4×C71C2×C418yes—
130C4×D4×C71C2×C4116yescomplemented
131#117×C71C2×C4116yescomplemented
132C2×C4⋊C4×C71C2312yes—
133C2×C4⋊C4×C71C2312yes—
134C2×C4⋊C4×C71C2312yes—
135C2×C4⋊C4×C71C2312yes—
136C2×C4⋊C4×C71C2311yescharacteristic
137C2×C4⋊C4×C71C2311yescharacteristic
138C2×C22⋊C4×C71C2312yes—
139C2×C22⋊C4×C71C2312yes—
140C2×C22⋊C4×C71C2312yes—
141C2×C22⋊C4×C71C2312yes—
142C2×C22⋊C4×C71C2312yes—
143C2×C42×C71C2×C418yescomplemented
144C2×C42×C71C2311yescharacteristic
145C2×C42×C71C2311yescharacteristic
146C2×C42×C71C2311yescharacteristic
147C2×C42×C71C2311yescharacteristic
148C2×C42×C71C2312yes—
149C22×Dic71—28no—
150C22×Dic71—44no—
151C22×Dic71—44no—
152C22×Dic71C2414yes—
153C22×Dic71C2414yes—
154C22×Dic71C2414yes—
155C22×Dic71C2414yes—
156C4⋊Dic71—24no—
157C4⋊Dic71—24no—
158C4⋊Dic71—24no—
159C4⋊Dic71—28no—
160C4⋊Dic71—44no—
161C4⋊Dic71—44no—
162C4⋊Dic71#4118yes—
163C22⋊Dic71—28no—
164C22⋊Dic71—28no—
165C22⋊Dic71—44no—
166C22⋊Dic71—44no—
167C22⋊Dic71—42no—
168C22⋊Dic71—42no—
169C4×Dic71—28no—
170C4×Dic71—28no—
171C4×Dic71—42no—
172C4×Dic71—44no—
173C4×Dic71—44no—
174C4×Dic71—44no—
175C4×Dic71—44no—
176C4×Dic71—42no—
177C24×C71C2412yes—
178C24×C71C2411yescharacteristic
179C2×Q8×C71—41no—
180C2×Q8×C71—41no—
181C2×Q8×C71C22×C414yes—
182C2×D4×C71—41no—
183C2×D4×C71—41no—
184C2×D4×C71—42no—
185C2×D4×C71—42no—
186C2×D4×C71C22×C414yes—
187C2×D4×C71C22×C418yes—
188C22×C4×C71—24no—
189C22×C4×C71—24no—
190C22×C4×C71—24no—
191C22×C4×C71—41no—
192C22×C4×C71—41no—
193C22×C4×C71—42no—
194C22×C4×C71C22×C414yes—
195C22×C4×C71C22×C418yes—
196C22×C4×C71C22×C414yes—
197C22×C4×C71C22×C414yes—
198C22×C4×C71C2411yescharacteristic
199C22×C4×C71C2411yescharacteristic
200C22×C4×C71C2411yescharacteristic
201C22×C4×C71C2411yescharacteristic
202C22×C4×C71C2411yescharacteristic
203C22×C4×C71C2412yes—
204C22×C4×C71C2412yes—
205C22×C4×C71C2412yes—
206C22×C4×C71C2411yescharacteristic
207C4⋊C4×C71C22×C418yes—
208C4⋊C4×C71C22×C418yes—
209C4⋊C4×C71C22×C414yes—
210C4⋊C4×C71C22×C418yes—
211C4⋊C4×C71C22×C414yes—
212C4⋊C4×C71C22×C418yes—
213C22⋊C4×C71C22×C418yes—
214C22⋊C4×C71C22×C418yes—
215C22⋊C4×C71C22×C418yes—
216C22⋊C4×C71C22×C418yes—
217C22⋊C4×C71C22×C418yes—
218C42×C71C22×C414yes—
219C42×C71C22×C414yes—
220C42×C71C22×C414yes—
221C42×C71C22×C414yes—
222C42×C71C22×C418yes—
223C23×C71—22no—
224C23×C71—22no—
225C23×C71—22no—
226C23×C71—22no—
227C23×C71—21no—
228C23×C71—21no—
229C23×C71—22no—
230C23×C71—22no—
231C23×C71—22no—
232C23×C71—22no—
233C23×C71C23×C414yes—
234C23×C71C23×C412yes—
235C23×C71C2511yescharacteristic
236Q8×C71—44no—
237D4×C71—44no—
238D4×C71—48no—
239C2×C4×C71—22no—
240C2×C4×C71—22no—
241C2×C4×C71—22no—
242C2×C4×C71—21no—
243C2×C4×C71—21no—
244C2×C4×C71—21no—
245C2×C4×C71—22no—
246C2×C4×C71—22no—
247C2×C4×C71—21no—
248C2×C4×C71—22no—
249C2×C4×C71—22no—
250C2×C4×C71—22no—
251C2×C4×C71—22no—
252C2×C4×C71—216no—
253C2×C4×C71—28no—
254C2×C4×C71—44no—
255C2×C4×C71—44no—
256C2×C4×C71C23×C412yes—
257C2×C4×C71C23×C412yes—
258C2×C4×C71C23×C412yes—
259C2×C4×C71C23×C412yes—
260C2×C4×C71C23×C412yes—
261C2×C4×C71C23×C414yes—
262C2×C4×C71C23×C414yes—
263C2×C4×C71C23×C414yes—
264C2×C4×C71C23×C412yes—
265C2×C4×C71C2×#4114yes—
266C2×Dic71—24no—
267C2×Dic71—24no—
268C2×Dic71—24no—
269C2×Dic71—24no—
270C2×Dic71—24no—
271C2×Dic71—24no—
272C2×Dic71—24no—
273C2×Dic71—24no—
274C2×Dic71—24no—
275C2×Dic71—24no—
276C2×Dic71—24no—
277C2×Dic71—88no—
278C2×Dic71C2×#4118yes—
279C22×C71—22no—
280C22×C71—24no—
281C22×C71—22no—
282C22×C71—22no—
283C22×C71—24no—
284C22×C71—24no—
285C22×C71—42no—
286C22×C71—42no—
287C22×C71—42no—
288C22×C71—42no—
289C22×C71—42no—
290C22×C71—42no—
291C22×C71C24×C411yescharacteristic
292C22×C71C22×#4112yes—
293C22×C71#58511yescharacteristic
294C22×C71#58512yes—
295C22×C71#58511yescharacteristic
296C4×C71—22no—
297C4×C71—24no—
298C4×C71—22no—
299C4×C71—22no—
300C4×C71—22no—
301C4×C71—22no—
302C4×C71—24no—
303C4×C71—24no—
304C4×C71C4×#4114yes—
305Dic71—28no—
306Dic71—44no—
307Dic71—44no—
308Dic71—44no—
309#34244—711nomaximal, Sylow
310C2×C71—42no—
311C2×C71—44no—
312C2×C71C2×C4×#4111yescharacteristic
313C2×C71#342811yescharacteristic
314C2×C71#342811yescharacteristic
315C2×C71#352112yes—
316C2×C71#352412yes—
317C2×#529D7111yescharacteristic
318#2374—714no—
319#2372—712no—
320#2371—712no—
321#2355—712no—
322#2354—712no—
323#2352—712no—
324#2352—712no—
325#2333—712no—
326#2332—712no—
327#2314—712no—
328C4×#126—714no—
329#2283—711no—
330#2274—712no—
331C4×#117—711no—
332C71#3424411yescharacteristic, complemented, Sylow
333#529Dic71116yescomplemented
334C2×#126C2×D7112yes—
335C2×#125C2×D7111yescharacteristic
336C2×#124C2×D7111yescharacteristic
337C2×#123C2×D7112yes—
338C2×C22⋊Q8C2×D7111yescharacteristic
339C2×#121C2×D7111yescharacteristic
340C2×C4×Q8C2×D7111yescharacteristic
341C2×C4×D4C2×D7111yescharacteristic
342C2×C4×D4C2×D7112yes—
343C2×#117—712no—
344C2×#117—712no—
345C2×#117C2×D7112yes—
346C22×C4⋊C4—712no—
347C22×C42C2×D7111yescharacteristic
348#391—714no—
349#390—714no—
350#388—714no—
351#388—714no—
352#388—714no—
353#388—714no—
354#388—714no—
355#388—714no—
356#387—714no—
357#387—714no—
358#387—714no—
359#387—714no—
360#387—714no—
361#387—714no—
362#386—714no—
363#386—714no—
364#384—712no—
365#383—712no—
366#382—712no—
367#382—712no—
368#381—712no—
369#380—712no—
370#380—712no—
371#380—711no—
372#380—711no—
373C4×C4⋊C4—714no—
374C4×C4⋊C4—714no—
375C4×C4⋊C4—714no—
376C4×C4⋊C4—714no—
377C4×C4⋊C4—711no—
378C4×C4⋊C4—712no—
379C4×C4⋊C4—712no—
380C4×C4⋊C4—712no—
381C4×C4⋊C4—712no—
382C4×C4⋊C4—711no—
383C4×C22⋊C4—712no—
384C4×C22⋊C4—712no—
385C4×C22⋊C4—712no—
386C4×C22⋊C4—714no—
387C4×C22⋊C4—714no—
388C4×C22⋊C4—714no—
389C4×C22⋊C4—714no—
390#376—712no—
391#376—712no—
392C43—712no—
393C22×Q8C22×D7111yescharacteristic
394C22×D4C22×D7112yes—
395C22×D4C22×D7111yescharacteristic
396C23×C4—714no—
397C23×C4C22×D7112yes—
398C23×C4C22×D7111yescharacteristic
399C23×C4C22×D7111yescharacteristic
400C23×C4C22×D7111yescharacteristic
401#126C2×Dic71116yescomplemented
402#125C2×Dic7118yescomplemented
403#124C2×Dic7118yes—
404#123C2×Dic71116yescomplemented
405C22⋊Q8C2×Dic7118yescomplemented
406#121C2×Dic7118yes—
407C4×Q8C2×Dic7118yescomplemented
408C4×D4C2×Dic7118yes—
409C4×D4C2×Dic71116yescomplemented
410#117—1428no—
411#117—1428no—
412#117C2×Dic71116yescomplemented
413C2×C4⋊C4—714no—
414C2×C4⋊C4—714no—
415C2×C4⋊C4—712no—
416C2×C4⋊C4—712no—
417C2×C4⋊C4—714no—
418C2×C4⋊C4—712no—
419C2×C4⋊C4—712no—
420C2×C4⋊C4—1428no—
421C2×C4⋊C4C22×D7112yes—
422C2×C4⋊C4C22×D7112yes—
423C2×C4⋊C4C22×D7111yescharacteristic
424C2×C4⋊C4C22×D7112yes—
425C2×C4⋊C4C22×D7111yescharacteristic
426C2×C4⋊C4C22×D7112yes—
427C2×C22⋊C4—712no—
428C2×C22⋊C4—712no—
429C2×C22⋊C4—714no—
430C2×C22⋊C4—714no—
431C2×C22⋊C4—714no—
432C2×C22⋊C4—714no—
433C2×C22⋊C4C22×D7112yes—
434C2×C22⋊C4C22×D7112yes—
435C2×C22⋊C4C22×D7112yes—
436C2×C22⋊C4C22×D7112yes—
437C2×C22⋊C4C22×D7112yes—
438C2×C42—712no—
439C2×C42—714no—
440C2×C42—712no—
441C2×C42—714no—
442C2×C42—714no—
443C2×C42—714no—
444C2×C42—714no—
445C2×C42—714no—
446C2×C42C2×Dic7118yescomplemented
447C2×C42C22×D7111yescharacteristic
448C2×C42C22×D7112yes—
449C2×C42C22×D7111yescharacteristic
450C2×C42C22×D7111yescharacteristic
451C2×C42C22×D7111yescharacteristic
452#95—712no—
453#95—712no—
454#95—714no—
455#95—712no—
456#95—712no—
457#95—714no—
458#95—714no—
459#95—714no—
460#95—714no—
461#95—714no—
462#95—714no—
463#95—714no—
464#95—714no—
465#95—714no—
466C24C23×D7111yescharacteristic
467C24C23×D7112yes—
468C2×Q8—41no—
469C2×Q8—41no—
470C2×Q8C22×Dic7114yes—
471C2×D4—42no—
472C2×D4—42no—
473C2×D4—41no—
474C2×D4—41no—
475C2×D4C22×Dic7114yes—
476C2×D4C22×Dic7118yes—
477C22×C4—24no—
478C22×C4—24no—
479C22×C4—24no—
480C22×C4—42no—
481C22×C4—41no—
482C22×C4—41no—
483C22×C4—2844no—
484C22×C4—2844no—
485C22×C4—714no—
486C22×C4—714no—
487C22×C4—714no—
488C22×C4—714no—
489C22×C4—1428no—
490C22×C4C22×Dic7114yes—
491C22×C4C22×Dic7118yes—
492C22×C4C22×Dic7114yes—
493C22×C4C22×Dic7114yes—
494C22×C4C23×D7111yescharacteristic
495C22×C4C23×D7111yescharacteristic
496C22×C4C23×D7111yescharacteristic
497C22×C4C23×D7111yescharacteristic
498C22×C4C23×D7111yescharacteristic
499C22×C4C23×D7112yes—
500C22×C4C23×D7112yes—
501C22×C4C23×D7112yes—
502C22×C4C23×D7111yescharacteristic
503C4⋊C4—2844no—
504C4⋊C4—2844no—
505C4⋊C4—718no—
506C4⋊C4—1428no—
507C4⋊C4—1424no—
508C4⋊C4—1424no—
509C4⋊C4—1424no—
510C4⋊C4C22×Dic7118yes—
511C4⋊C4C22×Dic7118yes—
512C4⋊C4C22×Dic7114yes—
513C4⋊C4C22×Dic7118yes—
514C4⋊C4C22×Dic7114yes—
515C4⋊C4C22×Dic7118yes—
516C22⋊C4—2844no—
517C22⋊C4—2844no—
518C22⋊C4—2842no—
519C22⋊C4—2842no—
520C22⋊C4—1428no—
521C22⋊C4—1428no—
522C22⋊C4C22×Dic7118yes—
523C22⋊C4C22×Dic7118yes—
524C22⋊C4C22×Dic7118yes—
525C22⋊C4C22×Dic7118yes—
526C22⋊C4C22×Dic7118yes—
527C42—2844no—
528C42—2842no—
529C42—2844no—
530C42—2842no—
531C42—2844no—
532C42—2844no—
533C42—1428no—
534C42—1428no—
535C42C22×Dic7114yes—
536C42C22×Dic7114yes—
537C42C22×Dic7114yes—
538C42C22×Dic7114yes—
539C42C22×Dic7118yes—
540C23—22no—
541C23—22no—
542C23—22no—
543C23—21no—
544C23—21no—
545C23—22no—
546C23—22no—
547C23—22no—
548C23—22no—
549C23—22no—
550C23C23×Dic7114yes—
551C23C23×Dic7112yes—
552C23C24×D7111yescharacteristic
553Q8—44no—
554D4—44no—
555D4—48no—
556C2×C4—22no—
557C2×C4—22no—
558C2×C4—22no—
559C2×C4—21no—
560C2×C4—22no—
561C2×C4—22no—
562C2×C4—21no—
563C2×C4—22no—
564C2×C4—22no—
565C2×C4—22no—
566C2×C4—22no—
567C2×C4—21no—
568C2×C4—21no—
569C2×C4—216no—
570C2×C4—28no—
571C2×C4—44no—
572C2×C4—44no—
573C2×C4—5688no—
574C2×C4—718no—
575C2×C4—1424no—
576C2×C4—1424no—
577C2×C4—1424no—
578C2×C4—1424no—
579C2×C4—1424no—
580C2×C4—1424no—
581C2×C4—1424no—
582C2×C4—1424no—
583C2×C4—1424no—
584C2×C4—1424no—
585C2×C4—1424no—
586C2×C4C23×Dic7112yes—
587C2×C4C23×Dic7112yes—
588C2×C4C23×Dic7112yes—
589C2×C4C23×Dic7112yes—
590C2×C4C23×Dic7112yes—
591C2×C4C23×Dic7114yes—
592C2×C4C23×Dic7114yes—
593C2×C4C23×Dic7114yes—
594C2×C4C23×Dic7112yes—
595C2×C4#41×D7114yes—
596C22—22no—
597C22—24no—
598C22—22no—
599C22—22no—
600C22—24no—
601C22—24no—
602C22—42no—
603C22—42no—
604C22—42no—
605C22—42no—
606C22—42no—
607C22—42no—
608C22C24×Dic7111yescharacteristic
609C22C2×#41×D7112yes—
610C22#1798683511yescharacteristic
611C22#1798683512yes—
612C22#1798683511yescharacteristic
613C4—22no—
614C4—24no—
615C4—22no—
616C4—22no—
617C4—22no—
618C4—22no—
619C4—24no—
620C4—24no—
621C4—2844no—
622C4—2844no—
623C4—2844no—
624C4—1428no—
625C4#41×Dic7114yes—
626C2—42no—
627C2—44no—
628C2C2×#41×Dic7111yescharacteristic
629C2#2260154311yescharacteristic
630C2#2260154311yescharacteristic
631C2#2260241212yes—
632C2#2260244512yes—
subgroupG/H
center, FrattiniC23C24×D71
commutatorC22×C71C24×C4
FittingC2×#529×C71C2
socle, cosocleC23×C71C25
prime radicalC2×#121×C71C22
hypercenterC2×#529D71
hypocenterC71#34244
LCSG ▷ C22×C71 ▷ C71
UCSC1 ◁ C23 ◁ C2×#529

Complements

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

NH ≅ G/Ntype
1. #22591476C2semidirect
2. #22591452C2semidirect
3. #22591446C2semidirect
4. #22591297C2semidirect
5. #22591289C2semidirect
6. #22591269C2semidirect
7. #22591269C2semidirect
9. #22591098C2semidirect
10. #22590949C2semidirect
11. #126×Dic71C2semidirect
12. #22590738C2semidirect
13. #22590696C2semidirect
14. C4×#14556087C2semidirect
64. #529×C71C4semidirect
122. #126×C71C2×C4semidirect
123. #125×C71C2×C4semidirect
125. #123×C71C2×C4semidirect
126. C22⋊Q8×C71C2×C4semidirect
128. C4×Q8×C71C2×C4semidirect
130. C4×D4×C71C2×C4semidirect
131. #117×C71C2×C4semidirect
143. C2×C42×C71C2×C4semidirect
332. C71#34244semidirect
333. #529Dic71semidirect
401. #126C2×Dic71semidirect
402. #125C2×Dic71semidirect
404. #123C2×Dic71semidirect
405. C22⋊Q8C2×Dic71semidirect
407. C4×Q8C2×Dic71semidirect
409. C4×D4C2×Dic71semidirect
412. #117C2×Dic71semidirect
446. C2×C42C2×Dic71semidirect

Maximal subgroups

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

subgroupindex
#225914762
#225914522
#225914462
#225912972
#225912892
#225912692
#225911072
#225910982
#225909492
#126×Dic712
#225907382
#225906962
C4×#145560872
C2×#529×C712
#3424471