Finite Group Databasebeta

← #6714850

Subgroups — #6714850

Order 512.

1270 conjugacy classes of subgroups.

The subgroup lattice has 782 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1#39181C211yesmaximal, characteristic, complemented
2#36476C211yesmaximal, characteristic
3#33072C211yesmaximal, characteristic
4#32584C212yesmaximal
5#32560C212yesmaximal
6#32329C212yesmaximal, complemented
7#31480C212yesmaximal, complemented
8#30229C211yesmaximal, characteristic, complemented
9#29867C211yesmaximal, characteristic, complemented
10#27821C211yesmaximal, characteristic
11#27736C211yesmaximal, characteristic
12#27452C212yesmaximal
13#27385C212yesmaximal
14#26511C211yesmaximal, characteristic, complemented
15#26444C211yesmaximal, characteristic, complemented
16#26294C212yesmaximal, complemented
17#25005C212yesmaximal, complemented
18#24813C211yesmaximal, characteristic
19#24679C211yesmaximal, characteristic
20#23068C211yesmaximal, characteristic, complemented
21#22971C211yesmaximal, characteristic, complemented
22#22311C211yesmaximal, characteristic, complemented
23#21117C211yesmaximal, characteristic
24C2×#477C2211yescharacteristic
25C2×#475C2211yescharacteristic
26C2×C4×SD16C2211yescharacteristic
27#2862C2211yescharacteristic
28#2859C2211yescharacteristic
29#2855—21no—
30#2774—22no—
31#2713—22no—
32#2647—21no—
33#2607—22no—
34#2589—22no—
35#2581C2212yes—
36#2580C2212yes—
37#2571C2211yescharacteristic
38#2570—21no—
39#2570C2212yes—
40#2563C2211yescharacteristic
41#2551—21no—
42#2551C2211yescharacteristic
43#2546C2212yes—
44#2542C2211yescharacteristic
45#2509C2212yes—
46#2492—21no—
47#2451C2212yes—
48#2423—21no—
49#2369C2211yescharacteristic
50#2365C2211yescharacteristic
51#2357C2212yes—
52#2355C2211yescharacteristic
53#2355C2212yes—
54Q8×C4⋊C4C2211yescharacteristic
55#2331—21no—
56C4×C4⋊Q8C2211yescharacteristic
57C4×C22⋊Q8—21no—
58#2295C2211yescharacteristic
59C42×D4C2211yescharacteristic
60#2101C2212yes—
61#2101C2212yes—
62#2101C2212yes—
63#2101C2212yes—
64#2101C2212yes—
65#2101C2212yes—
66#2100C2212yes—
67#2088C2212yes—
68#2088C2212yes—
69#2085C2212yes—
70#2085C2212yes—
71#2084C2212yes—
72#2074C2212yes—
73#2074C2212yes—
74#2074C2212yes—
75#2073C2212yes—
76#2065C2212yes—
77#2058C2212yes—
78#2055C2212yes—
79#2023C2212yes—
80#1993C2212yes—
81#1990C2211yescharacteristic
82#1990C2211yescharacteristic
83#1990C2211yescharacteristic
84#1990C2211yescharacteristic
85#1988C2211yescharacteristic
86#1987C2212yes—
87#1987C2211yescharacteristic
88#1985C2212yes—
89#1985C2212yes—
90#1949C2212yes—
91#1949C2212yes—
92#1948C2211yescharacteristic
93#1947C2211yescharacteristic
94#1943C2212yes—
95#1939C2211yescharacteristic
96#1939C2211yescharacteristic
97#1936C2212yes—
98#1936C2212yes—
99#1935C2212yes—
100#1928C2212yes—
101#1927C2211yescharacteristic
102#1927C2211yescharacteristic
103#1925C2212yes—
104#1921C2212yes—
105#1920C2212yes—
106#1920C2211yescharacteristic
107#1920C2212yes—
108#1920C2211yescharacteristic
109#1919C2212yes—
110#1918C2212yes—
111#1918C2212yes—
112#1917C2212yes—
113#1917C2212yes—
114#1880C2212yes—
115#1877C2211yescharacteristic
116#1877C2211yescharacteristic
117#1865C2212yes—
118#1864C2212yes—
119#1864C2211yescharacteristic
120#1864C2211yescharacteristic
121#1862C2212yes—
122#1836C2212yes—
123#1831C2211yescharacteristic
124#1803C2212yes—
125#1802C2211yescharacteristic
126#1802C2211yescharacteristic
127#1776C2212yes—
128C4×#106C2211yescharacteristic
129#1770C2211yescharacteristic
130#1770C2211yescharacteristic
131#1763C2212yes—
132C4×#103C2211yescharacteristic
133C4×#102C2211yescharacteristic
134#1744C2211yescharacteristic
135C22×SD16C2311yescharacteristic
136C2×C4⋊Q8—22no—
137C2×C4⋊Q8—21no—
138C2×C4⋊Q8D411yescharacteristic
139C2×C4⋊Q8C2311yescharacteristic
140C2×C4⋊Q8C2311yescharacteristic
141C2×C4⋊Q8C2312yes—
142C2×#125—21no—
143C2×C22⋊Q8—21no—
144C2×C22⋊Q8—21no—
145C2×C4×Q8—21no—
146C2×C4×Q8C2311yescharacteristic
147C2×C4×Q8C2312yes—
148C2×C4×Q8C2312yes—
149C2×C4×D4C2311yescharacteristic
150C2×C4×D4C2311yescharacteristic
151C2×C4×D4C2311yescharacteristic
152C22×C42—21no—
153#477—24no—
154#475—24no—
155C4×SD16—24no—
156C2×#107C2312yes—
157C2×#107C2312yes—
158C2×#106C2312yes—
159C2×#106C2311yescharacteristic
160C2×#106C2311yescharacteristic
161C2×#106C2311yescharacteristic
162C2×#106C2312yes—
163C2×C4⋊C8C2311yescharacteristic
164C2×C4⋊C8C2311yescharacteristic
165C2×C4⋊C8C2312yes—
166C2×C4⋊C8C2312yes—
167C2×#103C2312yes—
168C2×#103C2312yes—
169C2×#103C2311yescharacteristic
170C2×#103C2311yescharacteristic
171C2×#103C2311yescharacteristic
172C2×#102C2312yes—
173C2×#102C2311yescharacteristic
174C2×#102C2311yescharacteristic
175C2×#102C2312yes—
176C2×#102C2311yescharacteristic
177C2×#97C2312yes—
178C2×#97C2312yes—
179C2×C4×C8C2311yescharacteristic
180C2×C4×C8C2311yescharacteristic
181#400—22no—
182#400—22no—
183#400—22no—
184#400—22no—
185#400—22no—
186#399—22no—
187#399—22no—
188#398—22no—
189#398—22no—
190#398—22no—
191#398—22no—
192#395—22no—
193#395—22no—
194#395—22no—
195#393—22no—
196#393—22no—
197#391—22no—
198#391—22no—
199#391—21no—
200#391—21no—
201#391—21no—
202#391—21no—
203#391—21no—
204#391—22no—
205#391—22no—
206#391D412yes—
207#391C2312yes—
208#391C2311yescharacteristic
209#391C2311yescharacteristic
210#390C2312yes—
211#390C2312yes—
212#389—21no—
213#389—21no—
214#389—21no—
215#389—22no—
216#389—21no—
217#389—21no—
218#389—22no—
219#389D411yescharacteristic
220#389D412yes—
221#389D411yescharacteristic
222#389C2312yes—
223#389C2312yes—
224#389C2312yes—
225#389C2312yes—
226#389C2312yes—
227#389C2312yes—
228#389C2311yescharacteristic
229#389C2311yescharacteristic
230#389C2312yes—
231#388—22no—
232#388—22no—
233#387—22no—
234#387—22no—
235#387—22no—
236#387—22no—
237#387—22no—
238#387—21no—
239#387—21no—
240#387—22no—
241#387—22no—
242#387—22no—
243#387—22no—
244#387—22no—
245#385—22no—
246#385—22no—
247#384—21no—
248#384D411yescharacteristic
249#384C2311yescharacteristic
250#384C2311yescharacteristic
251#384C2312yes—
252#382—21no—
253#382—21no—
254#382—21no—
255#382C2312yes—
256#382C2312yes—
257#382C2312yes—
258#382C2312yes—
259#381—22no—
260#380—21no—
261#380—21no—
262C4×C4⋊C4—21no—
263C4×C4⋊C4—21no—
264C4×C4⋊C4—22no—
265C4×C4⋊C4—21no—
266C4×C4⋊C4—21no—
267C4×C4⋊C4C2311yescharacteristic
268C4×C4⋊C4C2311yescharacteristic
269C4×C4⋊C4C2311yescharacteristic
270C4×C4⋊C4C2312yes—
271C4×C4⋊C4C2312yes—
272C4×C4⋊C4C2312yes—
273C4×C4⋊C4C2311yescharacteristic
274C4×C4⋊C4C2311yescharacteristic
275C4×C4⋊C4C2312yes—
276C4×C4⋊C4C2311yescharacteristic
277C4×C22⋊C4—21no—
278C4×C22⋊C4—21no—
279C4×C22⋊C4—21no—
280C4×C22⋊C4—22no—
281#376—21no—
282C43C2311yescharacteristic
283#340C2312yes—
284#340C2312yes—
285#340C2312yes—
286#340C2312yes—
287#340C2312yes—
288#340C2312yes—
289#340C2312yes—
290#340C2312yes—
291#340C2312yes—
292#340C2312yes—
293#340C2312yes—
294#340C2311yescharacteristic
295#340C2312yes—
296#340C2311yescharacteristic
297#340C2312yes—
298#340C2311yescharacteristic
299#340C2312yes—
300#340C2312yes—
301#340C2312yes—
302#340C2311yescharacteristic
303#340C2311yescharacteristic
304#340C2311yescharacteristic
305#336C2312yes—
306#336C2312yes—
307#336C2312yes—
308#336C2312yes—
309#336C2312yes—
310#336C2311yescharacteristic
311#336C2311yescharacteristic
312#336C2311yescharacteristic
313#336C2311yescharacteristic
314#336C2312yes—
315C22×Q8—21no—
316C22×Q8—22no—
317C22×Q8—21no—
318C22×Q8C2×D412yes—
319C22×Q8C2411yescharacteristic
320C22×D4C2411yescharacteristic
321C23×C4—21no—
322C23×C4—21no—
323C23×C4—21no—
324C2×SD16—22no—
325C2×SD16—22no—
326C2×SD16—41no—
327C22×C8C2411yescharacteristic
328C22×C8C2411yescharacteristic
329C22×C8C2411yescharacteristic
330C22×C8C2411yescharacteristic
331C22×C8C2412yes—
332C22×C8C2412yes—
333C4⋊Q8—22no—
334C4⋊Q8—22no—
335C4⋊Q8—22no—
336C4⋊Q8—22no—
337C4⋊Q8—42no—
338C4⋊Q8—42no—
339C4⋊Q8—42no—
340C4⋊Q8—44no—
341C4⋊Q8—84no—
342#125—82no—
343C22⋊Q8—44no—
344C22⋊Q8—82no—
345C4×Q8—22no—
346C4×Q8—42no—
347C4×Q8—42no—
348C4×Q8—42no—
349C4×Q8—42no—
350C4×Q8—82no—
351C4×Q8#4114yes—
352C4×D4—22no—
353C4×D4—22no—
354C4×D4—22no—
355C4×D4—22no—
356C4×D4—41no—
357C4×D4—41no—
358C2×C4⋊C4—21no—
359C2×C4⋊C4—22no—
360C2×C4⋊C4—22no—
361C2×C4⋊C4—21no—
362C2×C4⋊C4—21no—
363C2×C4⋊C4—22no—
364C2×C4⋊C4—21no—
365C2×C4⋊C4—21no—
366C2×C4⋊C4—21no—
367C2×C4⋊C4—21no—
368C2×C4⋊C4—22no—
369C2×C4⋊C4—22no—
370C2×C4⋊C4—22no—
371C2×C4⋊C4—21no—
372C2×C4⋊C4—21no—
373C2×C4⋊C4—22no—
374C2×C4⋊C4—22no—
375C2×C4⋊C4—22no—
376C2×C4⋊C4—22no—
377C2×C4⋊C4—22no—
378C2×C4⋊C4C2×D411yescharacteristic
379C2×C4⋊C4C2×D411yescharacteristic
380C2×C4⋊C4C2×D411yescharacteristic
381C2×C4⋊C4C2×D411yescharacteristic
382C2×C4⋊C4C2×D412yes—
383C2×C4⋊C4C2×D412yes—
384C2×C4⋊C4C2×D412yes—
385C2×C4⋊C4C2×D412yes—
386C2×C4⋊C4C2×D412yes—
387C2×C4⋊C4C2411yescharacteristic
388C2×C4⋊C4C2411yescharacteristic
389C2×C4⋊C4C2412yes—
390C2×C4⋊C4C2411yescharacteristic
391C2×C4⋊C4C2412yes—
392C2×C4⋊C4C2412yes—
393C2×C4⋊C4C2411yescharacteristic
394C2×C4⋊C4C2412yes—
395C2×C4⋊C4C2411yescharacteristic
396C2×C4⋊C4C2411yescharacteristic
397C2×C22⋊C4—21no—
398C2×C22⋊C4—21no—
399C2×C22⋊C4—21no—
400C2×C22⋊C4—22no—
401C2×C22⋊C4—22no—
402C2×C22⋊C4—22no—
403C2×C22⋊C4—22no—
404C2×C42—21no—
405C2×C42—21no—
406C2×C42—21no—
407C2×C42—22no—
408C2×C42—22no—
409C2×C42—22no—
410C2×C42—21no—
411C2×C42—22no—
412C2×C42—21no—
413C2×C42—82no—
414C2×C42C2×D411yescharacteristic
415C2×C42C2×D411yescharacteristic
416C2×C42C2×D411yescharacteristic
417C2×C42C2×D411yescharacteristic
418C2×C42C2411yescharacteristic
419C2×C42C2411yescharacteristic
420C2×C42C2412yes—
421C2×C42C2412yes—
422C2×C42C2411yescharacteristic
423#107—24no—
424#107—24no—
425#106—22no—
426#106—24no—
427#106—22no—
428#106—41no—
429#106—42no—
430C4⋊C8—22no—
431C4⋊C8—22no—
432C4⋊C8—42no—
433C4⋊C8—42no—
434#103—22no—
435#103—24no—
436#103—24no—
437#103—22no—
438#103—41no—
439#102—24no—
440#102—22no—
441#102—22no—
442#102—42no—
443#102—41no—
444#97—42no—
445#97—42no—
446C4×C8—22no—
447C4×C8—22no—
448#95—21no—
449#95—21no—
450#95—21no—
451#95—21no—
452#95—21no—
453#95—21no—
454#95—21no—
455#95—22no—
456#95—22no—
457#95—22no—
458#95—22no—
459#95—21no—
460#95—21no—
461#95—22no—
462#95—22no—
463#95—22no—
464#95—22no—
465#95—22no—
466#95—21no—
467#95—22no—
468#95—22no—
469#95—22no—
470#95—22no—
471#95—22no—
472#95—22no—
473#95—22no—
474#95—22no—
475#95—22no—
476#95—22no—
477#95—22no—
478#95C2×D412yes—
479#95C2×D412yes—
480#95C2×D412yes—
481#95C2×D412yes—
482C24—21no—
483C2×Q8—21no—
484C2×Q8—21no—
485C2×Q8—21no—
486C2×Q8—21no—
487C2×Q8—21no—
488C2×Q8—42no—
489C2×Q8—42no—
490C2×Q8—42no—
491C2×Q8—44no—
492C2×Q8—42no—
493C2×Q8—42no—
494C2×Q8—42no—
495C2×Q8—42no—
496C2×Q8—82no—
497C2×Q8—82no—
498C2×Q8—81no—
499C2×Q8—81no—
500C2×Q8C2×#4112yes—
501C2×D4—21no—
502C2×D4—21no—
503C2×D4—21no—
504C2×D4—21no—
505C2×D4—21no—
506C2×D42−1+412yes—
507C22×C4—21no—
508C22×C4—21no—
509C22×C4—21no—
510C22×C4—24no—
511C22×C4—21no—
512C22×C4—22no—
513C22×C4—22no—
514C22×C4—21no—
515C22×C4—21no—
516C22×C4—22no—
517C22×C4—21no—
518C22×C4—22no—
519C22×C4—42no—
520C22×C4—42no—
521C22×C4—42no—
522C22×C4—42no—
523C22×C4—81no—
524C22×C4—81no—
525C22×C4—81no—
526C22×C4—81no—
527C22×C4C22×D411yescharacteristic
528C22×C4C22×D411yescharacteristic
529C22×C4C22×D411yescharacteristic
530C22×C4C22×D412yes—
531C22×C4C22×D412yes—
532C22×C4C22×D412yes—
533C22×C4C22×D411yescharacteristic
534C22×C4C22×D412yes—
535C22×C4C22×D411yescharacteristic
536C22×C4C22×D411yescharacteristic
537C22×C4C2511yescharacteristic
538SD16—44no—
539C2×C8—21no—
540C2×C8—21no—
541C2×C8—22no—
542C2×C8—22no—
543C2×C8—21no—
544C2×C8—21no—
545C2×C8—22no—
546C2×C8—21no—
547C2×C8—21no—
548C2×C8—21no—
549C2×C8—22no—
550C2×C8—21no—
551C2×C8—21no—
552C2×C8—21no—
553C2×C8—22no—
554C2×C8—22no—
555C2×C8—21no—
556C2×C8—21no—
557C4⋊C4—24no—
558C4⋊C4—22no—
559C4⋊C4—22no—
560C4⋊C4—22no—
561C4⋊C4—22no—
562C4⋊C4—21no—
563C4⋊C4—21no—
564C4⋊C4—21no—
565C4⋊C4—22no—
566C4⋊C4—22no—
567C4⋊C4—21no—
568C4⋊C4—22no—
569C4⋊C4—21no—
570C4⋊C4—22no—
571C4⋊C4—21no—
572C4⋊C4—22no—
573C4⋊C4—22no—
574C4⋊C4—22no—
575C4⋊C4—21no—
576C4⋊C4—21no—
577C4⋊C4—21no—
578C4⋊C4—22no—
579C4⋊C4—21no—
580C4⋊C4—42no—
581C4⋊C4—42no—
582C4⋊C4—42no—
583C4⋊C4—42no—
584C4⋊C4—42no—
585C4⋊C4—42no—
586C4⋊C4—44no—
587C4⋊C4—44no—
588C4⋊C4—44no—
589C4⋊C4—42no—
590C4⋊C4—42no—
591C4⋊C4—42no—
592C4⋊C4—42no—
593C4⋊C4—42no—
594C4⋊C4—82no—
595C4⋊C4—82no—
596C4⋊C4—82no—
597C4⋊C4—82no—
598C4⋊C4—81no—
599C4⋊C4—81no—
600C4⋊C4—82no—
601C4⋊C4—82no—
602C4⋊C4—82no—
603C4⋊C4—82no—
604C4⋊C4C2×#4112yes—
605C4⋊C42−1+412yes—
606C22⋊C4—24no—
607C22⋊C4—42no—
608C22⋊C4—44no—
609C22⋊C4—42no—
610C22⋊C4—82no—
611C22⋊C4—82no—
612C22⋊C4—82no—
613C42—24no—
614C42—22no—
615C42—22no—
616C42—21no—
617C42—21no—
618C42—22no—
619C42—22no—
620C42—22no—
621C42—22no—
622C42—21no—
623C42—21no—
624C42—41no—
625C42—41no—
626C42—42no—
627C42—42no—
628C42—82no—
629C42—81no—
630C42—81no—
631C42—82no—
632C42—82no—
633C42—82no—
634C42C2×#4112yes—
635C422−1+412yes—
636C23—22no—
637C23—41no—
638C23—41no—
639C23—41no—
640C23—41no—
641C23—41no—
642C23—41no—
643C23C23×D411yescharacteristic
644Q8—22no—
645Q8—22no—
646Q8—41no—
647Q8—41no—
648Q8—84no—
649Q8—84no—
650Q8—162no—
651Q8—164no—
652D4—22no—
653D4—22no—
654D4—41no—
655D4—41no—
656C2×C4—21no—
657C2×C4—21no—
658C2×C4—21no—
659C2×C4—21no—
660C2×C4—22no—
661C2×C4—22no—
662C2×C4—21no—
663C2×C4—21no—
664C2×C4—22no—
665C2×C4—22no—
666C2×C4—22no—
667C2×C4—22no—
668C2×C4—22no—
669C2×C4—21no—
670C2×C4—21no—
671C2×C4—22no—
672C2×C4—22no—
673C2×C4—22no—
674C2×C4—21no—
675C2×C4—21no—
676C2×C4—22no—
677C2×C4—21no—
678C2×C4—21no—
679C2×C4—22no—
680C2×C4—22no—
681C2×C4—21no—
682C2×C4—21no—
683C2×C4—22no—
684C2×C4—22no—
685C2×C4—41no—
686C2×C4—41no—
687C2×C4—41no—
688C2×C4—41no—
689C2×C4—41no—
690C2×C4—41no—
691C2×C4—42no—
692C2×C4—42no—
693C2×C4—42no—
694C2×C4—41no—
695C2×C4—42no—
696C2×C4—41no—
697C2×C4—41no—
698C2×C4—41no—
699C2×C4—42no—
700C2×C4—42no—
701C2×C4—42no—
702C2×C4—41no—
703C2×C4—41no—
704C2×C4—41no—
705C2×C4—42no—
706C2×C4—41no—
707C2×C4—41no—
708C2×C4—42no—
709C2×C4—41no—
710C2×C4—42no—
711C2×C4—41no—
712C2×C4—41no—
713C2×C4—42no—
714C2×C4—42no—
715C2×C4—84no—
716C2×C4—84no—
717C2×C4—84no—
718C2×C4#54812yes—
719C2×C4#54812yes—
720C2×C4#57512yes—
721C2×C4#57712yes—
722C2×C4C22×#4111yescharacteristic
723C2×C4C2×2−1+411yescharacteristic
724C2×C4C2×2−1+411yescharacteristic
725C2×C4C2×2−1+411yescharacteristic
726C2×C4#58511yescharacteristic
727C2×C4#58511yescharacteristic
728C8—41no—
729C8—42no—
730C8—42no—
731C8—41no—
732C8—41no—
733C8—41no—
734C22—42no—
735C22—42no—
736C22—42no—
737C22—81no—
738C22—81no—
739C22—81no—
740C22—81no—
741C22C2×#54811yescharacteristic
742C22#348511yescharacteristic
743C22#348611yescharacteristic
744C22C2×#57511yescharacteristic
745C22C2×#57711yescharacteristic
746C22#358511yescharacteristic
747C22#358611yescharacteristic
748C4—22no—
749C4—42no—
750C4—41no—
751C4—42no—
752C4—42no—
753C4—42no—
754C4—41no—
755C4—42no—
756C4—41no—
757C4—42no—
758C4—41no—
759C4—42no—
760C4—82no—
761C4—81no—
762C4—81no—
763C4—81no—
764C4—82no—
765C4—81no—
766C4—82no—
767C4—82no—
768C4#337114yes—
769C4#346111yescharacteristic
770C4#349511yescharacteristic
771C4#355511yescharacteristic
772C4#356311yescharacteristic
773C2—82no—
774C2#3775711yescharacteristic
775C2C2×#337111yescharacteristic
776C2#6133611yescharacteristic
777C2#6172511yescharacteristic
778C2#6180311yescharacteristic
779C2#6183411yescharacteristic
780C2#6185011yescharacteristic
subgroupG/H
center, socleC23C23×D4
commutator, Frattini, cosocleC22×C4C25
prime radicalC22×D4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C4⋊Q8 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
1. #39181C2semidirect
6. #32329C2semidirect
7. #31480C2semidirect
8. #30229C2semidirect
9. #29867C2semidirect
14. #26511C2semidirect
15. #26444C2semidirect
16. #26294C2semidirect
17. #25005C2semidirect
20. #23068C2semidirect
21. #22971C2semidirect
22. #22311C2semidirect

Maximal subgroups

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

subgroupindex
#391812
#364762
#330722
#325842
#325602
#323292
#314802
#302292
#298672
#278212
#277362
#274522
#273852
#265112
#264442
#262942
#250052
#248132
#246792
#230682
#229712
#223112
#211172