Finite Group Databasebeta

← C11×#24238 #14601431

Subgroups — C11×#24238 #14601431

Order 2816.

1574 conjugacy classes of subgroups.

The subgroup lattice has 666 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C11×#550C211yesmaximal, characteristic, complemented
2C2×C11×#459C211yesmaximal, characteristic, complemented
3C2×C11×#449C212yesmaximal, complemented
4C2×C4×C11×SD16C211yesmaximal, characteristic, complemented
5C11×#2537C211yesmaximal, characteristic, complemented
6C11×#2034C212yesmaximal, complemented
7C11×#1999C212yesmaximal, complemented
8C11×#1957C211yesmaximal, characteristic, complemented
9C11×#1954C211yesmaximal, characteristic, complemented
10C11×#1803C211yesmaximal, characteristic, complemented
11C11×#1788C212yesmaximal, complemented
12C22×C11×#41C2212yes—
13C22×C11×SD16C2211yescharacteristic
14C22×C11×D8C2212yes—
15C11×#550—24no—
16C11×#550—24no—
17C2×C11×#127—21no—
18C2×C11×#127C2211yescharacteristic
19C2×C11×#121—21no—
20C2×C11×#121—22no—
21C2×C11×#121C2212yes—
22C2×C11×#121C2212yes—
23C2×C4×Q8×C11C2211yescharacteristic
24C2×C4×D4×C11—21no—
25C2×C4×D4×C11C2211yescharacteristic
26C2×C4×D4×C11C2211yescharacteristic
27C11×#459—24no—
28C11×#449—28no—
29C4×C11×SD16—24no—
30C2×C11×#106C2211yescharacteristic
31C2×C11×C4⋊C8C2211yescharacteristic
32C2×C11×#103C2211yescharacteristic
33C2×C11×#103C2212yes—
34C2×C11×#102C2211yescharacteristic
35C2×C11×#102C2212yes—
36C2×C11×#102C2212yes—
37C2×C11×#102C2212yes—
38C2×C11×C22⋊C8C2212yes—
39C2×C11×C22⋊C8C2212yes—
40C2×C4×C8×C11C2211yescharacteristic
41C11×#394—22no—
42C11×#384C2211yescharacteristic
43C11×#380—21no—
44C11×#380C2212yes—
45C11×#340C2212yes—
46C2×C11×#41—24no—
47C2×C11×#41—24no—
48C2×C11×#41—24no—
49C2×C11×#41—24no—
50C2×C11×#41—42no—
51C2×C11×#41—42no—
52C22×Q8×C11C2311yescharacteristic
53C22×D4×C11—22no—
54C22×D4×C11—22no—
55C22×D4×C11—22no—
56C22×D4×C11—21no—
57C22×D4×C11—21no—
58C22×D4×C11D411yescharacteristic
59C22×D4×C11C2311yescharacteristic
60C22×D4×C11C2312yes—
61C23×C4×C11—22no—
62C23×C4×C11—21no—
63C23×C4×C11C2312yes—
64C2×C11×SD16—22no—
65C2×C11×SD16—22no—
66C2×C11×SD16D414yescomplemented
67C2×C11×D8—24no—
68C2×C11×D8—24no—
69C2×C11×D8—42no—
70C22×C8×C11C2312yes—
71C22×C8×C11C2311yescharacteristic
72C22×C8×C11C2311yescharacteristic
73C11×#127—28no—
74C11×#127—22no—
75C11×#127D414yescomplemented
76C11×#121—216no—
77C11×#121—24no—
78C11×#121—24no—
79C11×#121—24no—
80C11×#121—42no—
81C11×#121—44no—
82C4×Q8×C11—22no—
83C4×Q8×C11D414yescomplemented
84C4×D4×C11—28no—
85C4×D4×C11—22no—
86C4×D4×C11—22no—
87C4×D4×C11—22no—
88C4×D4×C11—22no—
89C2×C11×C4⋊C4—21no—
90C2×C11×C4⋊C4—21no—
91C2×C11×C4⋊C4—21no—
92C2×C11×C4⋊C4D411yescharacteristic
93C2×C11×C4⋊C4C2312yes—
94C2×C11×C4⋊C4C2311yescharacteristic
95C2×C11×C4⋊C4C2311yescharacteristic
96C2×C11×C22⋊C4—22no—
97C2×C11×C22⋊C4—22no—
98C2×C11×C22⋊C4—21no—
99C2×C11×C22⋊C4—22no—
100C2×C11×C22⋊C4D412yes—
101C2×C42×C11—21no—
102C2×C42×C11C2311yescharacteristic
103C11×#106—22no—
104C11×C4⋊C8—22no—
105C11×#103—22no—
106C11×#103—24no—
107C11×#102—24no—
108C11×#102—24no—
109C11×#102—22no—
110C11×#102—42no—
111C11×C22⋊C8—24no—
112C11×C22⋊C8—42no—
113C4×C8×C11—22no—
114C11×#95—22no—
115#24238C1111yesmaximal, characteristic, direct product factor, Sylow
116C24×C11—21no—
117C24×C11—22no—
118C24×C11C2×D412yes—
119C11×#41—48no—
120C11×#41—48no—
121C11×#41—48no—
122C11×#41—48no—
123C2×Q8×C11—21no—
124C2×Q8×C11—21no—
125C2×Q8×C11—21no—
126C2×Q8×C11C2×D412yes—
127C2×Q8×C11C2×D412yes—
128C2×Q8×C11#4112yes—
129C2×D4×C11—28no—
130C2×D4×C11—28no—
131C2×D4×C11—22no—
132C2×D4×C11—24no—
133C2×D4×C11—24no—
134C2×D4×C11—22no—
135C2×D4×C11—22no—
136C2×D4×C11—21no—
137C2×D4×C11—22no—
138C2×D4×C11—21no—
139C2×D4×C11—22no—
140C2×D4×C11—21no—
141C2×D4×C11—22no—
142C2×D4×C11—22no—
143C2×D4×C11—21no—
144C2×D4×C11—22no—
145C2×D4×C11—21no—
146C2×D4×C11—44no—
147C2×D4×C11—44no—
148C2×D4×C11—44no—
149C2×D4×C11—44no—
150C2×D4×C11—42no—
151C2×D4×C11—42no—
152C2×D4×C11—81no—
153C2×D4×C11—81no—
154C2×D4×C11—82no—
155C2×D4×C11—82no—
156C2×D4×C11—82no—
157C2×D4×C11C2×D414yes—
158C2×D4×C11C2×D412yes—
159C22×C4×C11—21no—
160C22×C4×C11—28no—
161C22×C4×C11—21no—
162C22×C4×C11—22no—
163C22×C4×C11—22no—
164C22×C4×C11—22no—
165C22×C4×C11—22no—
166C22×C4×C11—22no—
167C22×C4×C11—22no—
168C22×C4×C11—21no—
169C22×C4×C11—22no—
170C22×C4×C11—44no—
171C22×C4×C11—44no—
172C22×C4×C11—42no—
173C22×C4×C11—42no—
174C22×C4×C11—42no—
175C22×C4×C11C2×D412yes—
176C22×C4×C11C2×D411yescharacteristic
177C22×C4×C11C2×D411yescharacteristic
178C22×C4×C11C2411yescharacteristic
179C11×SD16—28no—
180C11×D8—48no—
181C2×C8×C11—21no—
182C2×C8×C11—21no—
183C2×C8×C11—22no—
184C2×C8×C11—22no—
185C2×C8×C11—21no—
186C2×C8×C11—21no—
187C2×C8×C11—22no—
188C2×C8×C11—21no—
189C2×C8×C11C2×D412yes—
190C11×C4⋊C4—24no—
191C11×C4⋊C4—22no—
192C11×C4⋊C4—21no—
193C11×C4⋊C4—21no—
194C11×C4⋊C4—22no—
195C11×C4⋊C4—21no—
196C11×C4⋊C4—22no—
197C11×C4⋊C4—42no—
198C11×C4⋊C4—81no—
199C11×C4⋊C4C2×D412yes—
200C11×C22⋊C4—28no—
201C11×C22⋊C4—24no—
202C11×C22⋊C4—44no—
203C11×C22⋊C4—44no—
204C11×C22⋊C4—42no—
205C42×C11—24no—
206C42×C11C2×D412yes—
207C42×C11C2×D412yes—
208C2×#550C2×C1111yescharacteristic, complemented
209C2×#459C2×C1111yescharacteristic, complemented
210C2×#449C2×C1112yescomplemented
211C2×C4×SD16C2×C1111yescharacteristic, complemented
212#2537C2×C1111yescharacteristic, complemented
213#2034C2×C1112yescomplemented
214#1999C2×C1112yescomplemented
215#1957C2×C1111yescharacteristic, complemented
216#1954C2×C1111yescharacteristic, complemented
217#1803C2×C1111yescharacteristic, complemented
218#1788C2×C1112yescomplemented
219C23×C11—22no—
220C23×C11—24no—
221C23×C11—22no—
222C23×C11—22no—
223C23×C11—22no—
224C23×C11—22no—
225C23×C11—22no—
226C23×C11—22no—
227C23×C11—22no—
228C23×C11—41no—
229C23×C11—42no—
230C23×C11—42no—
231C23×C11—41no—
232C23×C11—41no—
233C23×C11—42no—
234C23×C11—41no—
235C23×C11—42no—
236C23×C11—42no—
237C23×C11—41no—
238C23×C11—42no—
239C23×C11—41no—
240C23×C11C22×D411yescharacteristic
241Q8×C11—22no—
242Q8×C11—22no—
243Q8×C11—22no—
244Q8×C11#12114yescomplemented
245D4×C11—22no—
246D4×C11—22no—
247D4×C11—24no—
248D4×C11—24no—
249D4×C11—416no—
250D4×C11—42no—
251D4×C11—41no—
252D4×C11—42no—
253D4×C11—41no—
254D4×C11—44no—
255D4×C11—48no—
256D4×C11—84no—
257D4×C11—88no—
258D4×C11—88no—
259C2×C4×C11—22no—
260C2×C4×C11—22no—
261C2×C4×C11—22no—
262C2×C4×C11—21no—
263C2×C4×C11—21no—
264C2×C4×C11—22no—
265C2×C4×C11—22no—
266C2×C4×C11—22no—
267C2×C4×C11—22no—
268C2×C4×C11—416no—
269C2×C4×C11—41no—
270C2×C4×C11—41no—
271C2×C4×C11—42no—
272C2×C4×C11—42no—
273C2×C4×C11—42no—
274C2×C4×C11—42no—
275C2×C4×C11—41no—
276C2×C4×C11—42no—
277C2×C4×C11—41no—
278C2×C4×C11—41no—
279C2×C4×C11—42no—
280C2×C4×C11—42no—
281C2×C4×C11—84no—
282C2×C4×C11#12012yes—
283C2×C4×C11#12012yes—
284C2×C4×C11#13512yes—
285C2×C4×C11AGL(1,ℤ/8)12yes—
286C2×C4×C11C22×D411yescharacteristic
287C2×C4×C11C22×D411yescharacteristic
288C2×C4×C11C22×D411yescharacteristic
289C2×C4×C11C2×#4111yescharacteristic
290C2×C4×C11H(5,𝔽2)11yescharacteristic
291C2×C4×C11H(5,𝔽2)11yescharacteristic
292C8×C11—22no—
293C8×C11—41no—
294C8×C11—42no—
295C22×#41C22×C1112yes—
296C22×SD16C22×C1111yescharacteristic
297C22×D8C22×C1112yes—
298#550—24no—
299#550—24no—
300C2×#127—21no—
301C2×#127C22×C1111yescharacteristic
302C2×#121—21no—
303C2×#121—22no—
304C2×#121C22×C1112yes—
305C2×#121C22×C1112yes—
306C2×C4×Q8C22×C1111yescharacteristic
307C2×C4×D4—21no—
308C2×C4×D4C22×C1111yescharacteristic
309C2×C4×D4C22×C1111yescharacteristic
310#459—24no—
311#449—28no—
312C4×SD16—24no—
313C2×#106C22×C1111yescharacteristic
314C2×C4⋊C8C22×C1111yescharacteristic
315C2×#103C22×C1112yes—
316C2×#103C22×C1111yescharacteristic
317C2×#102C22×C1111yescharacteristic
318C2×#102C22×C1112yes—
319C2×#102C22×C1112yes—
320C2×#102C22×C1112yes—
321C2×C22⋊C8C22×C1112yes—
322C2×C22⋊C8C22×C1112yes—
323C2×C4×C8C22×C1111yescharacteristic
324#394—22no—
325#384C22×C1111yescharacteristic
326#380—21no—
327#380C22×C1112yes—
328#340C22×C1112yes—
329C22×C11—42no—
330C22×C11—44no—
331C22×C11—42no—
332C22×C11—42no—
333C22×C11—42no—
334C22×C11—44no—
335C22×C11—42no—
336C22×C11—44no—
337C22×C11—42no—
338C22×C11—42no—
339C22×C11—42no—
340C22×C11—42no—
341C22×C11—42no—
342C22×C11—82no—
343C22×C11—81no—
344C22×C11—81no—
345C22×C11—81no—
346C22×C11—82no—
347C22×C11—82no—
348C22×C11—82no—
349C22×C11—81no—
350C22×C11C2×#12011yescharacteristic
351C22×C11D4211yescharacteristic
352C22×C11#54611yescharacteristic
353C22×C11C2×#13511yescharacteristic
354C22×C11C2×AGL(1,ℤ/8)11yescharacteristic
355C22×C11#57611yescharacteristic
356C22×C11#57711yescharacteristic
357C4×C11—24no—
358C4×C11—22no—
359C4×C11—42no—
360C4×C11—42no—
361C4×C11—81no—
362C4×C11—82no—
363C4×C11#44914yescomplemented
364C4×C11C2×#12111yescharacteristic
365C4×C11#53511yescharacteristic
366C4×C11D4211yescharacteristic
367C4×C11#54611yescharacteristic
368C2×#41—24no—
369C2×#41—24no—
370C2×#41—24no—
371C2×#41—24no—
372C2×#41—42no—
373C2×#41—42no—
374C22×Q8C23×C1111yescharacteristic
375C22×D4—22no—
376C22×D4—22no—
377C22×D4—22no—
378C22×D4—21no—
379C22×D4—21no—
380C22×D4D4×C1111yescharacteristic
381C22×D4C23×C1111yescharacteristic
382C22×D4C23×C1112yes—
383C23×C4—22no—
384C23×C4—21no—
385C23×C4C23×C1112yes—
386C2×SD16—22no—
387C2×SD16—22no—
388C2×SD16D4×C1114yescomplemented
389C2×D8—24no—
390C2×D8—24no—
391C2×D8—42no—
392C22×C8C23×C1112yes—
393C22×C8C23×C1111yescharacteristic
394C22×C8C23×C1111yescharacteristic
395#127—28no—
396#127—22no—
397#127D4×C1114yescomplemented
398#121—216no—
399#121—24no—
400#121—24no—
401#121—24no—
402#121—42no—
403#121—44no—
404C4×Q8—22no—
405C4×Q8D4×C1114yescomplemented
406C4×D4—28no—
407C4×D4—22no—
408C4×D4—22no—
409C4×D4—22no—
410C4×D4—22no—
411C2×C4⋊C4—21no—
412C2×C4⋊C4—21no—
413C2×C4⋊C4—21no—
414C2×C4⋊C4D4×C1111yescharacteristic
415C2×C4⋊C4C23×C1111yescharacteristic
416C2×C4⋊C4C23×C1112yes—
417C2×C4⋊C4C23×C1111yescharacteristic
418C2×C22⋊C4—22no—
419C2×C22⋊C4—22no—
420C2×C22⋊C4—21no—
421C2×C22⋊C4—22no—
422C2×C22⋊C4D4×C1112yes—
423C2×C42—21no—
424C2×C42C23×C1111yescharacteristic
425#106—22no—
426C4⋊C8—22no—
427#103—22no—
428#103—24no—
429#102—24no—
430#102—24no—
431#102—22no—
432#102—42no—
433C22⋊C8—24no—
434C22⋊C8—42no—
435C4×C8—22no—
436#95—22no—
437C2×C11—82no—
438C2×C11—84no—
439C2×C11—82no—
440C2×C11#240811yescharacteristic
441C2×C11C2×#44911yescharacteristic
442C2×C11#301211yescharacteristic
443C2×C11#327411yescharacteristic
444C2×C11#328411yescharacteristic
445C2×C11#330511yescharacteristic
446C2×C11#333211yescharacteristic
447C24—21no—
448C24—22no—
449C24C2×D4×C1112yes—
450#41—48no—
451#41—48no—
452#41—48no—
453#41—48no—
454C2×Q8—21no—
455C2×Q8—21no—
456C2×Q8—21no—
457C2×Q8C2×D4×C1112yes—
458C2×Q8C2×D4×C1112yes—
459C2×Q8C11×#4112yes—
460C2×D4—28no—
461C2×D4—28no—
462C2×D4—22no—
463C2×D4—24no—
464C2×D4—24no—
465C2×D4—22no—
466C2×D4—22no—
467C2×D4—21no—
468C2×D4—22no—
469C2×D4—21no—
470C2×D4—22no—
471C2×D4—21no—
472C2×D4—22no—
473C2×D4—22no—
474C2×D4—21no—
475C2×D4—22no—
476C2×D4—21no—
477C2×D4—44no—
478C2×D4—44no—
479C2×D4—44no—
480C2×D4—44no—
481C2×D4—42no—
482C2×D4—42no—
483C2×D4—81no—
484C2×D4—81no—
485C2×D4—82no—
486C2×D4—82no—
487C2×D4—82no—
488C2×D4C2×D4×C1114yes—
489C2×D4C2×D4×C1112yes—
490C22×C4—21no—
491C22×C4—28no—
492C22×C4—21no—
493C22×C4—22no—
494C22×C4—22no—
495C22×C4—22no—
496C22×C4—22no—
497C22×C4—22no—
498C22×C4—22no—
499C22×C4—21no—
500C22×C4—22no—
501C22×C4—44no—
502C22×C4—44no—
503C22×C4—42no—
504C22×C4—42no—
505C22×C4—42no—
506C22×C4C2×D4×C1112yes—
507C22×C4C2×D4×C1111yescharacteristic
508C22×C4C2×D4×C1111yescharacteristic
509C22×C4C24×C1111yescharacteristic
510SD16—28no—
511D8—48no—
512C2×C8—21no—
513C2×C8—21no—
514C2×C8—21no—
515C2×C8—22no—
516C2×C8—22no—
517C2×C8—21no—
518C2×C8—22no—
519C2×C8—21no—
520C2×C8C2×D4×C1112yes—
521C4⋊C4—24no—
522C4⋊C4—22no—
523C4⋊C4—21no—
524C4⋊C4—21no—
525C4⋊C4—22no—
526C4⋊C4—21no—
527C4⋊C4—22no—
528C4⋊C4—42no—
529C4⋊C4—81no—
530C4⋊C4C2×D4×C1112yes—
531C22⋊C4—28no—
532C22⋊C4—24no—
533C22⋊C4—44no—
534C22⋊C4—44no—
535C22⋊C4—42no—
536C42—24no—
537C42C2×D4×C1112yes—
538C42C2×D4×C1112yes—
539C11#2423811yescharacteristic, direct product factor, Sylow
540C23—22no—
541C23—24no—
542C23—22no—
543C23—22no—
544C23—22no—
545C23—22no—
546C23—22no—
547C23—22no—
548C23—22no—
549C23—41no—
550C23—42no—
551C23—42no—
552C23—41no—
553C23—41no—
554C23—42no—
555C23—41no—
556C23—42no—
557C23—42no—
558C23—41no—
559C23—42no—
560C23—41no—
561C23C22×D4×C1111yescharacteristic
562Q8—22no—
563Q8—22no—
564Q8—22no—
565Q8C11×#12114yescomplemented
566D4—22no—
567D4—22no—
568D4—24no—
569D4—24no—
570D4—416no—
571D4—42no—
572D4—41no—
573D4—42no—
574D4—41no—
575D4—44no—
576D4—48no—
577D4—84no—
578D4—88no—
579D4—88no—
580C2×C4—22no—
581C2×C4—22no—
582C2×C4—22no—
583C2×C4—21no—
584C2×C4—21no—
585C2×C4—22no—
586C2×C4—22no—
587C2×C4—22no—
588C2×C4—22no—
589C2×C4—416no—
590C2×C4—41no—
591C2×C4—41no—
592C2×C4—42no—
593C2×C4—42no—
594C2×C4—42no—
595C2×C4—42no—
596C2×C4—41no—
597C2×C4—42no—
598C2×C4—41no—
599C2×C4—41no—
600C2×C4—42no—
601C2×C4—42no—
602C2×C4—84no—
603C2×C4C11×#12012yes—
604C2×C4C11×#12012yes—
605C2×C4C11×#13512yes—
606C2×C4C11×AGL(1,ℤ/8)12yes—
607C2×C4C22×D4×C1111yescharacteristic
608C2×C4C22×D4×C1111yescharacteristic
609C2×C4C22×D4×C1111yescharacteristic
610C2×C4C2×C11×#4111yescharacteristic
611C2×C4C11×H(5,𝔽2)11yescharacteristic
612C2×C4C11×H(5,𝔽2)11yescharacteristic
613C8—22no—
614C8—41no—
615C8—42no—
616C22—44no—
617C22—42no—
618C22—42no—
619C22—42no—
620C22—44no—
621C22—42no—
622C22—44no—
623C22—42no—
624C22—42no—
625C22—42no—
626C22—42no—
627C22—42no—
628C22—42no—
629C22—81no—
630C22—81no—
631C22—82no—
632C22—82no—
633C22—82no—
634C22—81no—
635C22—82no—
636C22—81no—
637C22C2×C11×#12011yescharacteristic
638C22D42×C1111yescharacteristic
639C22C11×#54611yescharacteristic
640C22C2×C11×#13511yescharacteristic
641C22C2×C11×AGL(1,ℤ/8)11yescharacteristic
642C22C11×#57611yescharacteristic
643C22C11×#57711yescharacteristic
644C4—24no—
645C4—22no—
646C4—42no—
647C4—42no—
648C4—81no—
649C4—82no—
650C4C11×#44914yescomplemented
651C4C2×C11×#12111yescharacteristic
652C4C11×#53511yescharacteristic
653C4D42×C1111yescharacteristic
654C4C11×#54611yescharacteristic
655C2—82no—
656C2—84no—
657C2—82no—
658C2C11×#240811yescharacteristic
659C2C2×C11×#44911yescharacteristic
660C2C11×#301211yescharacteristic
661C2C11×#327411yescharacteristic
662C2C11×#328411yescharacteristic
663C2C11×#330511yescharacteristic
664C2C11×#333211yescharacteristic
subgroupG/H
center, socleC23×C11C22×D4
commutator, Frattini, cosocleC22×C4C24×C11
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C11 ◁ C2×C4×D4×C11 ◁ G

Complements

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

NH ≅ G/Ntype
1. C2×C11×#550C2semidirect
2. C2×C11×#459C2semidirect
3. C2×C11×#449C2semidirect
4. C2×C4×C11×SD16C2semidirect
5. C11×#2537C2semidirect
6. C11×#2034C2semidirect
7. C11×#1999C2semidirect
8. C11×#1957C2semidirect
9. C11×#1954C2semidirect
10. C11×#1803C2semidirect
11. C11×#1788C2semidirect
66. C2×C11×SD16D4semidirect
75. C11×#127D4semidirect
83. C4×Q8×C11D4semidirect
115. #24238C11direct (N × H)
208. C2×#550C2×C11semidirect
209. C2×#459C2×C11semidirect
210. C2×#449C2×C11semidirect
211. C2×C4×SD16C2×C11semidirect
212. #2537C2×C11semidirect
213. #2034C2×C11semidirect
214. #1999C2×C11semidirect
215. #1957C2×C11semidirect
216. #1954C2×C11semidirect
217. #1803C2×C11semidirect
218. #1788C2×C11semidirect
244. Q8×C11#121semidirect
363. C4×C11#449semidirect
388. C2×SD16D4×C11semidirect
397. #127D4×C11semidirect
405. C4×Q8D4×C11semidirect
539. C11#24238direct (N × H)
565. Q8C11×#121semidirect
650. C4C11×#449semidirect

Maximal subgroups

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

subgroupindex
C2×C11×#5502
C2×C11×#4592
C2×C11×#4492
C2×C4×C11×SD162
C11×#25372
C11×#20342
C11×#19992
C11×#19572
C11×#19542
C11×#18032
C11×#17882
#2423811