Finite Group Databasebeta

← #25103258

Subgroups — #25103258

Order 11008.

1010 conjugacy classes of subgroups.

The subgroup lattice has 694 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#14583146C211yesmaximal, characteristic
2C2×#14582986C211yesmaximal, characteristic, complemented
3C2×#14582856C211yesmaximal, characteristic, complemented
4#19137286C211yesmaximal, characteristic
5#19137275C211yesmaximal, characteristic, complemented
6#19135476C211yesmaximal, characteristic, complemented
7#19135277C211yesmaximal, characteristic, complemented
8#19135270C211yesmaximal, characteristic, complemented
9#19135022C211yesmaximal, characteristic
10#19135017C211yesmaximal, characteristic, complemented
11#19134625C211yesmaximal, characteristic, complemented
12#107×Dic43C211yesmaximal, characteristic, complemented
13#19134424C211yesmaximal, characteristic, complemented
14#19134419C211yesmaximal, characteristic, complemented
15C43×#1943C211yesmaximal, characteristic, complemented
16C22×#10621873C2211yescharacteristic
17C22×#10621872C2211yescharacteristic
18C22×C8×D43C2211yescharacteristic
19C2×#13063305C2211yescharacteristic
20C2×#13063300C2211yescharacteristic
21C2×#13063290C2211yescharacteristic
22C2×#13063287C2211yescharacteristic
23C2×#13063282C2211yescharacteristic
24#14583146C418yescomplemented
25#14582986—24no—
26C2×#13063259C2211yescharacteristic
27C2×#13063250C2211yescharacteristic
28C2×#13063248C2211yescharacteristic
29C2×#13063248C2211yescharacteristic
30C2×#13063247C2211yescharacteristic
31C2×#13063245C2211yescharacteristic
32C2×#13063245C2211yescharacteristic
33#14582856—24no—
34C2×#13063235C2211yescharacteristic
35C2×C4×C43⋊C8C2211yescharacteristic
36C2×C8×Dic43C2211yescharacteristic
37#14582805C2211yescharacteristic
38#14582801C2211yescharacteristic
39#14582800—21no—
40#14582795—21no—
41#14582789—21no—
42#14582788—21no—
43#14582788—21no—
44#14582782—21no—
45#14582777—21no—
46#14582770—21no—
47#14582756C2211yescharacteristic
48#14582756C2211yescharacteristic
49C4⋊C4×Dic43C2211yescharacteristic
50C4⋊C4×Dic43C2211yescharacteristic
51#14582661C2211yescharacteristic
52#14582661C2211yescharacteristic
53#14582661C2211yescharacteristic
54#14582661C2211yescharacteristic
55C2×#107×C43C2211yescharacteristic
56C2×#106×C43C2211yescharacteristic
57C2×#97×C43C2211yescharacteristic
58C43×#389C2211yescharacteristic
59C43×#389C2211yescharacteristic
60C43×#340C2211yescharacteristic
61C43×#340C2211yescharacteristic
62C22×Dic86C2311yescharacteristic
63C22×D172—21no—
64C22×D172C2311yescharacteristic
65C22×C4×D43—21no—
66C22×C4×D43C2311yescharacteristic
67C2×#10621873—22no—
68C2×#10621873—22no—
69C2×#10621873C2×C414yes—
70C2×#10621872—22no—
71C2×#10621872—22no—
72C2×#10621872C2×C414yescomplemented
73C22×C43⋊C8C2311yescharacteristic
74C22×C43⋊C8C2311yescharacteristic
75C2×C8×D43—22no—
76C2×C8×D43—22no—
77C2×C8×D43—22no—
78#13063305—22no—
79#13063305C2×C414yescomplemented
80#13063300—22no—
81#13063300C2×C414yes—
82#13063290—22no—
83#13063290—22no—
84#13063287—22no—
85#13063287—22no—
86#13063282—22no—
87#13063282—22no—
88C2×C4⋊Dic43—21no—
89C2×C4⋊Dic43C2311yescharacteristic
90C2×C4⋊Dic43C2311yescharacteristic
91C2×Dic43⋊C4—21no—
92C2×Dic43⋊C4D411yescharacteristic
93C2×Dic43⋊C4D411yescharacteristic
94C2×(C2×D43)⋊C4—21no—
95C2×(C2×D43)⋊C4—21no—
96C2×(C2×D43)⋊C4—21no—
97C2×(C2×D43)⋊C4—21no—
98C2×(C2×D43)⋊C4—21no—
99C2×(C2×D43)⋊C4—21no—
100C2×(C2×D43)⋊C4—21no—
101C2×(C2×D43)⋊C4D411yescharacteristic
102C2×(C2×D43)⋊C4D411yescharacteristic
103C2×C4×Dic43—21no—
104C2×C4×Dic43—21no—
105C2×C4×Dic43—21no—
106C2×C4×Dic43C2311yescharacteristic
107#13063259—22no—
108#13063250—22no—
109#13063248—22no—
110#13063248C2×C414yescomplemented
111#13063247—22no—
112#13063245—22no—
113#13063245C2×C414yes—
114#13063235—22no—
115C4×C43⋊C8—22no—
116C8×Dic43D414yescomplemented
117C43⋊#95—21no—
118C43⋊#95—21no—
119C43⋊#95—21no—
120C43⋊#95—21no—
121C43⋊#95—21no—
122C43⋊#95—21no—
123C22×C8×C43C2311yescharacteristic
124C22×C8×C43C2311yescharacteristic
125C2×C4⋊C4×C43—21no—
126C2×C4⋊C4×C43—21no—
127C2×C4⋊C4×C43C2311yescharacteristic
128C2×C4⋊C4×C43C2311yescharacteristic
129C2×C4⋊C4×C43C2311yescharacteristic
130C2×C4⋊C4×C43C2311yescharacteristic
131C2×C42×C43C2311yescharacteristic
132#107×C43C2×C414yescomplemented
133#106×C43—22no—
134#97×C43—22no—
135#95×C43—21no—
136#95×C43—21no—
137C23×D43—21no—
138C23×D43C2×D411yescharacteristic
139C22×C4×C43—21no—
140C22×C4×C43—21no—
141C22×C4×C43—21no—
142C22×C4×C43—21no—
143C22×C4×C43C2×D411yescharacteristic
144C22×C4×C43C2×D411yescharacteristic
145C22×C4×C43C2411yescharacteristic
146C22×Dic43—21no—
147C22×Dic43—21no—
148C22×Dic43—21no—
149C22×Dic43C2×D411yescharacteristic
150C22×Dic43C2×D411yescharacteristic
151C22×Dic43C2×D411yescharacteristic
152C2×D172—21no—
153C2×D172—24no—
154C2×D172—21no—
155C2×D172—21no—
156C2×D172—21no—
157C2×D172—21no—
158C2×D172—81no—
159C2×D172—81no—
160C2×D172C22×C412yes—
161C2×C4×D43—21no—
162C2×C4×D43—21no—
163C2×C4×D43—21no—
164C2×C4×D43—21no—
165C2×C4×D43—42no—
166C2×C4×D43—81no—
167C2×C4×D43—81no—
168C2×C4×D43C22×C412yes—
169C2×C4×D43#4112yes—
170C2×Dic86—21no—
171C2×Dic86—21no—
172C2×Dic86—21no—
173C2×Dic86—21no—
174C2×Dic86—21no—
175C2×Dic86C22×C412yes—
176C2×C8×C43—21no—
177C2×C8×C43—21no—
178C2×C8×C43C22×C412yes—
179C2×C8×C43C2×D412yes—
180C2×C8×C43#4112yes—
181C2×C8×C43#4112yes—
182C4⋊C4×C43—21no—
183C4⋊C4×C43—21no—
184C4⋊C4×C43—21no—
185C4⋊C4×C43—21no—
186C4⋊C4×C43—21no—
187C4⋊C4×C43—21no—
188C4⋊C4×C43—81no—
189C4⋊C4×C43—81no—
190C4⋊C4×C43C22×C412yes—
191C4⋊C4×C43C22×C412yes—
192C42×C43—21no—
193C42×C43—21no—
194(C2×D43)⋊C4—24no—
195(C2×D43)⋊C4—22no—
196(C2×D43)⋊C4—22no—
197(C2×D43)⋊C4—24no—
198(C2×D43)⋊C4—42no—
199(C2×D43)⋊C4—81no—
200(C2×D43)⋊C4—81no—
201(C2×D43)⋊C4—81no—
202(C2×D43)⋊C4—81no—
203C4⋊Dic43—24no—
204C4⋊Dic43—21no—
205C4⋊Dic43—21no—
206C4⋊Dic43—21no—
207C4⋊Dic43—21no—
208Dic43⋊C4—22no—
209Dic43⋊C4—22no—
210Dic43⋊C4—42no—
211C4×Dic43—42no—
212C4×Dic43—81no—
213C4×Dic43—81no—
214C4×Dic43C2×D412yes—
215C4×Dic43#4112yes—
216C2×C43⋊C8—21no—
217C2×C43⋊C8—21no—
218C2×C43⋊C8—21no—
219C2×C43⋊C8—21no—
220C2×C43⋊C8C22×C412yes—
221C2×C43⋊C8C2×D412yes—
222#10621873—28no—
223#10621872—28no—
224C8×D43—28no—
225C23×C43C22×D411yescharacteristic
226C22×D43—21no—
227C22×D43—21no—
228C22×D43—21no—
229C22×D43—21no—
230C22×D43—21no—
231C22×D43—21no—
232C22×D43—22no—
233C22×D43—41no—
234C22×D43—41no—
235C22×D43—41no—
236C22×D43—41no—
237C22×D43—41no—
238C22×D43—41no—
239C22×D43C4×D412yes—
240C2×C4×C43—22no—
241C2×C4×C43—22no—
242C2×C4×C43—21no—
243C2×C4×C43—21no—
244C2×C4×C43—21no—
245C2×C4×C43—21no—
246C2×C4×C43—21no—
247C2×C4×C43—21no—
248C2×C4×C43—41no—
249C2×C4×C43—41no—
250C2×C4×C43—41no—
251C2×C4×C43—41no—
252C2×C4×C43—41no—
253C2×C4×C43—41no—
254C2×C4×C43—41no—
255C2×C4×C43—41no—
256C2×C4×C43—41no—
257C2×C4×C43—41no—
258C2×C4×C43C23×C411yescharacteristic
259C2×C4×C43C22×D411yescharacteristic
260C2×C4×C43C2×#4111yescharacteristic
261C2×C4×C43C2×#4111yescharacteristic
262C2×C4×C43C2×#4111yescharacteristic
263C2×C4×C43C2×#4111yescharacteristic
264C2×Dic43—21no—
265C2×Dic43—21no—
266C2×Dic43—21no—
267C2×Dic43—21no—
268C2×Dic43—21no—
269C2×Dic43—21no—
270C2×Dic43—22no—
271C2×Dic43—41no—
272C2×Dic43—41no—
273C2×Dic43—41no—
274C2×Dic43—41no—
275C2×Dic43—41no—
276C2×Dic43—41no—
277C2×Dic43—41no—
278C2×Dic43—41no—
279C2×Dic43C4×D412yes—
280C2×Dic43#12112yes—
281C2×Dic43#12112yes—
282D172—22no—
283D172—22no—
284D172—41no—
285D172—41no—
286D172—84no—
287C4×D43—22no—
288C4×D43—22no—
289C4×D43—22no—
290C4×D43—22no—
291C4×D43—84no—
292Dic86—22no—
293Dic86—22no—
294Dic86—41no—
295Dic86—41no—
296C8×C43—22no—
297C8×C43C4×D414yes—
298C43⋊C8—22no—
299C43⋊C8—22no—
300#21535—431nomaximal, Sylow
301C22×C43C2×C4×D411yescharacteristic
302C22×C43C2×#12111yescharacteristic
303C22×C43#53211yescharacteristic
304C22×C43#57611yescharacteristic
305C22×C43#57711yescharacteristic
306C22×C43#57711yescharacteristic
307C22×C43#57811yescharacteristic
308C2×D43—22no—
309C2×D43—22no—
310C2×D43—22no—
311C2×D43—41no—
312C2×D43—41no—
313C2×D43—41no—
314C2×D43—41no—
315C2×D43—42no—
316C2×D43—42no—
317C2×D43—42no—
318C2×D43—81no—
319C2×D43—81no—
320C2×D43—81no—
321C2×D43—81no—
322C4×C43—42no—
323C4×C43—42no—
324C4×C43—41no—
325C4×C43—41no—
326C4×C43—81no—
327C4×C43—81no—
328C4×C43C2×C4×D411yescharacteristic
329C4×C43C4×#4111yescharacteristic
330C4×C43#52511yescharacteristic
331C4×C43#52911yescharacteristic
332Dic43—22no—
333Dic43—22no—
334Dic43—22no—
335Dic43—42no—
336Dic43—81no—
337Dic43—81no—
338C2×#468—431no—
339C2×C4×SD16—431no—
340C2×#405—431no—
341#2324—431no—
342#2323—431no—
343#1973—431no—
344#1943D4311yescharacteristic, complemented
345#1934—431no—
346#1933—431no—
347#1893—431no—
348#1892—431no—
349#1809—431no—
350C4×#107—431no—
351#1763—431no—
352#1762—431no—
353C2×C43C4×#12111yescharacteristic
354C2×C43#294611yescharacteristic
355C2×C43#294711yescharacteristic
356C2×C43#305711yescharacteristic
357C2×C43#306111yescharacteristic
358C2×C43#317811yescharacteristic
359C2×C43#317911yescharacteristic
360D43—42no—
361D43—82no—
362C22×SD16—431no—
363C22×M16—431no—
364C23×C8—431no—
365C2×C22⋊Q8—431no—
366C2×#121—431no—
367C2×C4×Q8—431no—
368C2×C4×D4—431no—
369C2×#117—431no—
370#468—438no—
371C4×SD16—864no—
372C2×#107—431no—
373C2×#107C2×D4311yescharacteristic
374C2×#106C2×D4311yescharacteristic
375C2×#103—431no—
376C2×#103—431no—
377C2×#103—431no—
378C2×#102—431no—
379C2×#102—431no—
380C2×#102—431no—
381#405—864no—
382C2×#97—431no—
383C2×#97C2×D4311yescharacteristic
384C2×C4×C8—431no—
385C2×C4×C8—431no—
386#391—431no—
387#390—431no—
388#390—861no—
389#389—861no—
390#389C2×D4311yescharacteristic
391#389C2×D4311yescharacteristic
392#388—861no—
393#388—861no—
394#388—861no—
395#387—861no—
396#386—861no—
397#385—861no—
398#380—431no—
399#380—431no—
400C4×C4⋊C4—431no—
401C4×C4⋊C4—431no—
402#340—431no—
403#340—431no—
404#340—431no—
405#340—431no—
406#340C2×D4311yescharacteristic
407#340C2×D4311yescharacteristic
408C43#2153511yescharacteristic, complemented, Sylow
409C22×Q8—431no—
410C22×D4—431no—
411C22×D4—861no—
412C23×C4—431no—
413C23×C4—861no—
414C2×SD16—434no—
415C2×SD16—862no—
416C2×SD16—862no—
417C2×M16—434no—
418C2×M16—862no—
419C2×M16—862no—
420C22×C8—431no—
421C22×C8—431no—
422C22×C8—862no—
423C22×C8—862no—
424C22×C8—862no—
425C22×C8C22×D4311yescharacteristic
426C22×C8C22×D4311yescharacteristic
427C22⋊Q8—434no—
428C22⋊Q8—862no—
429#121—434no—
430#121—862no—
431C4×Q8—862no—
432C4×Q8—862no—
433C4×D4—862no—
434C4×D4—862no—
435#117—862no—
436#117—862no—
437C2×C4⋊C4—21no—
438C2×C4⋊C4—21no—
439C2×C4⋊C4—431no—
440C2×C4⋊C4—431no—
441C2×C4⋊C4—431no—
442C2×C4⋊C4—431no—
443C2×C4⋊C4—861no—
444C2×C4⋊C4—861no—
445C2×C4⋊C4C22×D4311yescharacteristic
446C2×C4⋊C4C22×D4311yescharacteristic
447C2×C4⋊C4C22×D4311yescharacteristic
448C2×C4⋊C4C22×D4311yescharacteristic
449C2×C22⋊C4—431no—
450C2×C22⋊C4—431no—
451C2×C22⋊C4—861no—
452C2×C22⋊C4—861no—
453C2×C22⋊C4—861no—
454C2×C22⋊C4—861no—
455C2×C22⋊C4—861no—
456C2×C22⋊C4—861no—
457C2×C22⋊C4—861no—
458C2×C42—431no—
459C2×C42—861no—
460C2×C42—861no—
461C2×C42—861no—
462C2×C42C22×D4311yescharacteristic
463#107—862no—
464#107C4×D4314yescomplemented
465#106—22no—
466#103—434no—
467#103—862no—
468#103—862no—
469#102—434no—
470#102—862no—
471#102—862no—
472#97—22no—
473#97—862no—
474C4×C8—434no—
475C4×C8—862no—
476#95—21no—
477#95—21no—
478#95—861no—
479#95—861no—
480#95—861no—
481#95—861no—
482#95—861no—
483#95—861no—
484C24—431no—
485C24—861no—
486C2×Q8—432no—
487C2×Q8—861no—
488C2×Q8—861no—
489C2×Q8—861no—
490C2×Q8—861no—
491C2×Q8—861no—
492C2×D4—432no—
493C2×D4—864no—
494C2×D4—861no—
495C2×D4—861no—
496C2×D4—861no—
497C2×D4—861no—
498C2×D4—861no—
499C2×D4—3441no—
500C2×D4—3441no—
501C22×C4—21no—
502C22×C4—21no—
503C22×C4—21no—
504C22×C4—21no—
505C22×C4—431no—
506C22×C4—431no—
507C22×C4—431no—
508C22×C4—432no—
509C22×C4—432no—
510C22×C4—861no—
511C22×C4—861no—
512C22×C4—861no—
513C22×C4—861no—
514C22×C4—861no—
515C22×C4—861no—
516C22×C4—861no—
517C22×C4—3441no—
518C22×C4—3441no—
519C22×C4—1722no—
520C22×C4D4×D4311yescharacteristic
521C22×C4D4×D4311yescharacteristic
522C22×C4C23×D4311yescharacteristic
523SD16—868no—
524M16—868no—
525C2×C8—21no—
526C2×C8—21no—
527C2×C8—432no—
528C2×C8—432no—
529C2×C8—868no—
530C2×C8—861no—
531C2×C8—861no—
532C2×C8—861no—
533C2×C8—861no—
534C2×C8C2×C4×D4312yes—
535C2×C8D4×D4312yes—
536C2×C8#1062190212yes—
537C2×C8#1062190212yes—
538C4⋊C4—21no—
539C4⋊C4—21no—
540C4⋊C4—21no—
541C4⋊C4—21no—
542C4⋊C4—21no—
543C4⋊C4—21no—
544C4⋊C4—81no—
545C4⋊C4—81no—
546C4⋊C4—862no—
547C4⋊C4—862no—
548C4⋊C4—864no—
549C4⋊C4—861no—
550C4⋊C4—861no—
551C4⋊C4—861no—
552C4⋊C4—861no—
553C4⋊C4—1722no—
554C4⋊C4C2×C4×D4312yes—
555C4⋊C4C2×C4×D4312yes—
556C22⋊C4—862no—
557C22⋊C4—862no—
558C22⋊C4—864no—
559C22⋊C4—864no—
560C22⋊C4—3441no—
561C22⋊C4—3441no—
562C22⋊C4—3441no—
563C22⋊C4—3441no—
564C22⋊C4—1722no—
565C42—21no—
566C42—21no—
567C42—432no—
568C42—432no—
569C42—3441no—
570C42—3441no—
571C42—1722no—
572C23—432no—
573C23—861no—
574C23—861no—
575C23—861no—
576C23—861no—
577C23—861no—
578C23—861no—
579C23—862no—
580C23—1721no—
581C23—1721no—
582C23—1721no—
583C23—1721no—
584C23—1721no—
585C23—1721no—
586C23C2×D4×D4311yescharacteristic
587Q8—862no—
588Q8—862no—
589Q8—1721no—
590Q8—1721no—
591D4—862no—
592D4—862no—
593D4—3444no—
594D4—1721no—
595D4—1721no—
596C2×C4—22no—
597C2×C4—22no—
598C2×C4—21no—
599C2×C4—21no—
600C2×C4—21no—
601C2×C4—21no—
602C2×C4—21no—
603C2×C4—21no—
604C2×C4—41no—
605C2×C4—41no—
606C2×C4—41no—
607C2×C4—41no—
608C2×C4—41no—
609C2×C4—41no—
610C2×C4—41no—
611C2×C4—41no—
612C2×C4—41no—
613C2×C4—41no—
614C2×C4—432no—
615C2×C4—432no—
616C2×C4—432no—
617C2×C4—861no—
618C2×C4—861no—
619C2×C4—861no—
620C2×C4—861no—
621C2×C4—861no—
622C2×C4—861no—
623C2×C4—862no—
624C2×C4—862no—
625C2×C4—862no—
626C2×C4—862no—
627C2×C4—862no—
628C2×C4—3444no—
629C2×C4—1721no—
630C2×C4—1721no—
631C2×C4—1721no—
632C2×C4—1721no—
633C2×C4—1721no—
634C2×C4—1721no—
635C2×C4—1721no—
636C2×C4—1721no—
637C2×C4C22×C4×D4311yescharacteristic
638C2×C4C2×D4×D4311yescharacteristic
639C2×C4#41×D4311yescharacteristic
640C2×C4#41×D4311yescharacteristic
641C2×C4C2×#1062190211yescharacteristic
642C2×C4C2×#1062190211yescharacteristic
643C8—22no—
644C8—862no—
645C8—862no—
646C8#1306328714yes—
647C22—862no—
648C22—862no—
649C22—862no—
650C22—3441no—
651C22—3441no—
652C22—3441no—
653C22—3441no—
654C22—1722no—
655C22—1722no—
656C22—1722no—
657C22—1721no—
658C22—1721no—
659C22—1721no—
660C22—1721no—
661C22C4×D4×D4311yescharacteristic
662C22#121×D4311yescharacteristic
663C22#1458345011yescharacteristic
664C22#1458370311yescharacteristic
665C22#1458370811yescharacteristic
666C22#1458370911yescharacteristic
667C22#1458371511yescharacteristic
668C4—42no—
669C4—42no—
670C4—41no—
671C4—41no—
672C4—81no—
673C4—81no—
674C4—862no—
675C4—862no—
676C4—862no—
677C4—3441no—
678C4—3441no—
679C4—1722no—
680C4C2×#1306328711yescharacteristic
681C4C4×#1062190211yescharacteristic
682C4#1458341211yescharacteristic
683C4#1458343411yescharacteristic
684C2—3442no—
685C2—1722no—
686C2#1913710311yescharacteristic
687C2#1914342411yescharacteristic
688C2#1914343711yescharacteristic
689C2#1914423211yescharacteristic
690C2#1914426311yescharacteristic
691C2#1914526811yescharacteristic
692C2#1914528311yescharacteristic
subgroupG/H
centerC23C2×D4×D43
commutatorC2×C4×C43C23×C4
FrattiniC22×C4C23×D43
FittingC43×#1943C2
socleC23×C43C22×D4
prime radicalC2×#13063300C22
cosocleC22×C4×C43C24
hypercenter#1943D43
hypocenterC43#21535
LCSG ▷ C2×C4×C43 ▷ C2×C43 ▷ C43
UCSC1 ◁ C23 ◁ C2×C42 ◁ #1943

Complements

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

NH ≅ G/Ntype
2. C2×#14582986C2semidirect
3. C2×#14582856C2semidirect
5. #19137275C2semidirect
6. #19135476C2semidirect
7. #19135277C2semidirect
8. #19135270C2semidirect
10. #19135017C2semidirect
11. #19134625C2semidirect
12. #107×Dic43C2semidirect
13. #19134424C2semidirect
14. #19134419C2semidirect
15. C43×#1943C2semidirect
24. #14583146C4semidirect
72. C2×#10621872C2×C4semidirect
79. #13063305C2×C4semidirect
110. #13063248C2×C4semidirect
116. C8×Dic43D4semidirect
132. #107×C43C2×C4semidirect
344. #1943D43semidirect
408. C43#21535semidirect
464. #107C4×D43semidirect

Maximal subgroups

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

subgroupindex
C2×#145831462
C2×#145829862
C2×#145828562
#191372862
#191372752
#191354762
#191352772
#191352702
#191350222
#191350172
#191346252
#107×Dic432
#191344242
#191344192
C43×#19432
#2153543