Finite Group Databasebeta

← C61×#24238 #29527671

Subgroups — C61×#24238 #29527671

Order 15616.

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×C61×#550C211yesmaximal, characteristic, complemented
2C2×C61×#459C211yesmaximal, characteristic, complemented
3C2×C61×#449C212yesmaximal, complemented
4C2×C4×SD16×C61C211yesmaximal, characteristic, complemented
5C61×#2537C211yesmaximal, characteristic, complemented
6C61×#2034C212yesmaximal, complemented
7C61×#1999C212yesmaximal, complemented
8C61×#1957C211yesmaximal, characteristic, complemented
9C61×#1954C211yesmaximal, characteristic, complemented
10C61×#1803C211yesmaximal, characteristic, complemented
11C61×#1788C212yesmaximal, complemented
12C22×#41×C61C2212yes—
13C22×SD16×C61C2211yescharacteristic
14C22×D8×C61C2212yes—
15C61×#550—24no—
16C61×#550—24no—
17C2×#127×C61—21no—
18C2×#127×C61C2211yescharacteristic
19C2×#121×C61—21no—
20C2×#121×C61—22no—
21C2×#121×C61C2212yes—
22C2×#121×C61C2212yes—
23C2×C4×Q8×C61C2211yescharacteristic
24C2×C4×D4×C61—21no—
25C2×C4×D4×C61C2211yescharacteristic
26C2×C4×D4×C61C2211yescharacteristic
27C61×#459—24no—
28C61×#449—28no—
29C4×SD16×C61—24no—
30C2×#106×C61C2211yescharacteristic
31C2×C4⋊C8×C61C2211yescharacteristic
32C2×#103×C61C2211yescharacteristic
33C2×#103×C61C2212yes—
34C2×#102×C61C2212yes—
35C2×#102×C61C2212yes—
36C2×#102×C61C2211yescharacteristic
37C2×#102×C61C2212yes—
38C2×C22⋊C8×C61C2212yes—
39C2×C22⋊C8×C61C2212yes—
40C2×C4×C8×C61C2211yescharacteristic
41C61×#394—22no—
42C61×#384C2211yescharacteristic
43C61×#380—21no—
44C61×#380C2212yes—
45C61×#340C2212yes—
46C2×#41×C61—24no—
47C2×#41×C61—24no—
48C2×#41×C61—24no—
49C2×#41×C61—24no—
50C2×#41×C61—42no—
51C2×#41×C61—42no—
52C22×Q8×C61C2311yescharacteristic
53C22×D4×C61—22no—
54C22×D4×C61—22no—
55C22×D4×C61—22no—
56C22×D4×C61—21no—
57C22×D4×C61—21no—
58C22×D4×C61D411yescharacteristic
59C22×D4×C61C2312yes—
60C22×D4×C61C2311yescharacteristic
61C23×C4×C61—22no—
62C23×C4×C61—21no—
63C23×C4×C61C2312yes—
64C2×SD16×C61—22no—
65C2×SD16×C61—22no—
66C2×SD16×C61D414yescomplemented
67C2×D8×C61—24no—
68C2×D8×C61—24no—
69C2×D8×C61—42no—
70C22×C8×C61C2312yes—
71C22×C8×C61C2311yescharacteristic
72C22×C8×C61C2311yescharacteristic
73#127×C61—28no—
74#127×C61—22no—
75#127×C61D414yescomplemented
76#121×C61—216no—
77#121×C61—24no—
78#121×C61—24no—
79#121×C61—24no—
80#121×C61—42no—
81#121×C61—44no—
82C4×Q8×C61—22no—
83C4×Q8×C61D414yescomplemented
84C4×D4×C61—28no—
85C4×D4×C61—22no—
86C4×D4×C61—22no—
87C4×D4×C61—22no—
88C4×D4×C61—22no—
89C2×C4⋊C4×C61—21no—
90C2×C4⋊C4×C61—21no—
91C2×C4⋊C4×C61—21no—
92C2×C4⋊C4×C61D411yescharacteristic
93C2×C4⋊C4×C61C2312yes—
94C2×C4⋊C4×C61C2311yescharacteristic
95C2×C4⋊C4×C61C2311yescharacteristic
96C2×C22⋊C4×C61—22no—
97C2×C22⋊C4×C61—22no—
98C2×C22⋊C4×C61—22no—
99C2×C22⋊C4×C61—21no—
100C2×C22⋊C4×C61D412yes—
101C2×C42×C61—21no—
102C2×C42×C61C2311yescharacteristic
103#106×C61—22no—
104C4⋊C8×C61—22no—
105#103×C61—22no—
106#103×C61—24no—
107#102×C61—24no—
108#102×C61—24no—
109#102×C61—22no—
110#102×C61—42no—
111C22⋊C8×C61—24no—
112C22⋊C8×C61—42no—
113C4×C8×C61—22no—
114#95×C61—22no—
115C24×C61—21no—
116C24×C61—22no—
117C24×C61C2×D412yes—
118#41×C61—48no—
119#41×C61—48no—
120#41×C61—48no—
121#41×C61—48no—
122C2×Q8×C61—21no—
123C2×Q8×C61—21no—
124C2×Q8×C61—21no—
125C2×Q8×C61C2×D412yes—
126C2×Q8×C61C2×D412yes—
127C2×Q8×C61#4112yes—
128C2×D4×C61—28no—
129C2×D4×C61—28no—
130C2×D4×C61—22no—
131C2×D4×C61—24no—
132C2×D4×C61—24no—
133C2×D4×C61—22no—
134C2×D4×C61—22no—
135C2×D4×C61—21no—
136C2×D4×C61—22no—
137C2×D4×C61—21no—
138C2×D4×C61—22no—
139C2×D4×C61—21no—
140C2×D4×C61—22no—
141C2×D4×C61—22no—
142C2×D4×C61—21no—
143C2×D4×C61—22no—
144C2×D4×C61—21no—
145C2×D4×C61—44no—
146C2×D4×C61—44no—
147C2×D4×C61—44no—
148C2×D4×C61—44no—
149C2×D4×C61—42no—
150C2×D4×C61—42no—
151C2×D4×C61—81no—
152C2×D4×C61—81no—
153C2×D4×C61—82no—
154C2×D4×C61—82no—
155C2×D4×C61—82no—
156C2×D4×C61C2×D414yes—
157C2×D4×C61C2×D412yes—
158C22×C4×C61—21no—
159C22×C4×C61—28no—
160C22×C4×C61—21no—
161C22×C4×C61—22no—
162C22×C4×C61—22no—
163C22×C4×C61—22no—
164C22×C4×C61—22no—
165C22×C4×C61—22no—
166C22×C4×C61—22no—
167C22×C4×C61—21no—
168C22×C4×C61—22no—
169C22×C4×C61—44no—
170C22×C4×C61—44no—
171C22×C4×C61—42no—
172C22×C4×C61—42no—
173C22×C4×C61—42no—
174C22×C4×C61C2×D412yes—
175C22×C4×C61C2×D411yescharacteristic
176C22×C4×C61C2×D411yescharacteristic
177C22×C4×C61C2411yescharacteristic
178SD16×C61—28no—
179D8×C61—48no—
180C2×C8×C61—21no—
181C2×C8×C61—21no—
182C2×C8×C61—21no—
183C2×C8×C61—22no—
184C2×C8×C61—22no—
185C2×C8×C61—21no—
186C2×C8×C61—22no—
187C2×C8×C61—21no—
188C2×C8×C61C2×D412yes—
189C4⋊C4×C61—24no—
190C4⋊C4×C61—22no—
191C4⋊C4×C61—21no—
192C4⋊C4×C61—21no—
193C4⋊C4×C61—22no—
194C4⋊C4×C61—21no—
195C4⋊C4×C61—22no—
196C4⋊C4×C61—42no—
197C4⋊C4×C61—81no—
198C4⋊C4×C61C2×D412yes—
199C22⋊C4×C61—28no—
200C22⋊C4×C61—24no—
201C22⋊C4×C61—44no—
202C22⋊C4×C61—44no—
203C22⋊C4×C61—42no—
204C42×C61—24no—
205C42×C61C2×D412yes—
206C42×C61C2×D412yes—
207C23×C61—22no—
208C23×C61—24no—
209C23×C61—22no—
210C23×C61—22no—
211C23×C61—22no—
212C23×C61—22no—
213C23×C61—22no—
214C23×C61—22no—
215C23×C61—22no—
216C23×C61—41no—
217C23×C61—42no—
218C23×C61—42no—
219C23×C61—41no—
220C23×C61—41no—
221C23×C61—42no—
222C23×C61—41no—
223C23×C61—42no—
224C23×C61—42no—
225C23×C61—41no—
226C23×C61—42no—
227C23×C61—41no—
228C23×C61C22×D411yescharacteristic
229Q8×C61—22no—
230Q8×C61—22no—
231Q8×C61—22no—
232Q8×C61#12114yescomplemented
233D4×C61—22no—
234D4×C61—22no—
235D4×C61—24no—
236D4×C61—24no—
237D4×C61—416no—
238D4×C61—42no—
239D4×C61—41no—
240D4×C61—42no—
241D4×C61—41no—
242D4×C61—44no—
243D4×C61—48no—
244D4×C61—84no—
245D4×C61—88no—
246D4×C61—88no—
247C2×C4×C61—22no—
248C2×C4×C61—22no—
249C2×C4×C61—22no—
250C2×C4×C61—21no—
251C2×C4×C61—21no—
252C2×C4×C61—22no—
253C2×C4×C61—22no—
254C2×C4×C61—22no—
255C2×C4×C61—22no—
256C2×C4×C61—416no—
257C2×C4×C61—41no—
258C2×C4×C61—41no—
259C2×C4×C61—42no—
260C2×C4×C61—42no—
261C2×C4×C61—42no—
262C2×C4×C61—42no—
263C2×C4×C61—41no—
264C2×C4×C61—42no—
265C2×C4×C61—41no—
266C2×C4×C61—41no—
267C2×C4×C61—42no—
268C2×C4×C61—42no—
269C2×C4×C61—84no—
270C2×C4×C61#12012yes—
271C2×C4×C61#12012yes—
272C2×C4×C61#13512yes—
273C2×C4×C61AGL(1,ℤ/8)12yes—
274C2×C4×C61C22×D411yescharacteristic
275C2×C4×C61C22×D411yescharacteristic
276C2×C4×C61C22×D411yescharacteristic
277C2×C4×C61C2×#4111yescharacteristic
278C2×C4×C61H(5,𝔽2)11yescharacteristic
279C2×C4×C61H(5,𝔽2)11yescharacteristic
280C8×C61—22no—
281C8×C61—41no—
282C8×C61—42no—
283#24238C6111yesmaximal, characteristic, direct product factor, Sylow
284C22×C61—42no—
285C22×C61—44no—
286C22×C61—42no—
287C22×C61—42no—
288C22×C61—42no—
289C22×C61—44no—
290C22×C61—42no—
291C22×C61—44no—
292C22×C61—42no—
293C22×C61—42no—
294C22×C61—42no—
295C22×C61—42no—
296C22×C61—42no—
297C22×C61—82no—
298C22×C61—81no—
299C22×C61—81no—
300C22×C61—81no—
301C22×C61—82no—
302C22×C61—82no—
303C22×C61—82no—
304C22×C61—81no—
305C22×C61C2×#12011yescharacteristic
306C22×C61D4211yescharacteristic
307C22×C61#54611yescharacteristic
308C22×C61C2×#13511yescharacteristic
309C22×C61C2×AGL(1,ℤ/8)11yescharacteristic
310C22×C61#57611yescharacteristic
311C22×C61#57711yescharacteristic
312C4×C61—24no—
313C4×C61—22no—
314C4×C61—42no—
315C4×C61—42no—
316C4×C61—81no—
317C4×C61—82no—
318C4×C61#44914yescomplemented
319C4×C61C2×#12111yescharacteristic
320C4×C61#53511yescharacteristic
321C4×C61D4211yescharacteristic
322C4×C61#54611yescharacteristic
323C2×#550C2×C6111yescharacteristic, complemented
324C2×#459C2×C6111yescharacteristic, complemented
325C2×#449C2×C6112yescomplemented
326C2×C4×SD16C2×C6111yescharacteristic, complemented
327#2537C2×C6111yescharacteristic, complemented
328#2034C2×C6112yescomplemented
329#1999C2×C6112yescomplemented
330#1957C2×C6111yescharacteristic, complemented
331#1954C2×C6111yescharacteristic, complemented
332#1803C2×C6111yescharacteristic, complemented
333#1788C2×C6112yescomplemented
334C2×C61—82no—
335C2×C61—84no—
336C2×C61—82no—
337C2×C61#240811yescharacteristic
338C2×C61C2×#44911yescharacteristic
339C2×C61#301211yescharacteristic
340C2×C61#327411yescharacteristic
341C2×C61#328411yescharacteristic
342C2×C61#330511yescharacteristic
343C2×C61#333211yescharacteristic
344C22×#41C22×C6112yes—
345C22×SD16C22×C6111yescharacteristic
346C22×D8C22×C6112yes—
347#550—24no—
348#550—24no—
349C2×#127—21no—
350C2×#127C22×C6111yescharacteristic
351C2×#121—21no—
352C2×#121—22no—
353C2×#121C22×C6112yes—
354C2×#121C22×C6112yes—
355C2×C4×Q8C22×C6111yescharacteristic
356C2×C4×D4—21no—
357C2×C4×D4C22×C6111yescharacteristic
358C2×C4×D4C22×C6111yescharacteristic
359#459—24no—
360#449—28no—
361C4×SD16—24no—
362C2×#106C22×C6111yescharacteristic
363C2×C4⋊C8C22×C6111yescharacteristic
364C2×#103C22×C6112yes—
365C2×#103C22×C6111yescharacteristic
366C2×#102C22×C6111yescharacteristic
367C2×#102C22×C6112yes—
368C2×#102C22×C6112yes—
369C2×#102C22×C6112yes—
370C2×C22⋊C8C22×C6112yes—
371C2×C22⋊C8C22×C6112yes—
372C2×C4×C8C22×C6111yescharacteristic
373#394—22no—
374#384C22×C6111yescharacteristic
375#380—21no—
376#380C22×C6112yes—
377#340C22×C6112yes—
378C61#2423811yescharacteristic, direct product factor, Sylow
379C2×#41—24no—
380C2×#41—24no—
381C2×#41—24no—
382C2×#41—24no—
383C2×#41—42no—
384C2×#41—42no—
385C22×Q8C23×C6111yescharacteristic
386C22×D4—22no—
387C22×D4—22no—
388C22×D4—22no—
389C22×D4—21no—
390C22×D4—21no—
391C22×D4D4×C6111yescharacteristic
392C22×D4C23×C6111yescharacteristic
393C22×D4C23×C6112yes—
394C23×C4—22no—
395C23×C4—21no—
396C23×C4C23×C6112yes—
397C2×SD16—22no—
398C2×SD16—22no—
399C2×SD16D4×C6114yescomplemented
400C2×D8—24no—
401C2×D8—24no—
402C2×D8—42no—
403C22×C8C23×C6112yes—
404C22×C8C23×C6111yescharacteristic
405C22×C8C23×C6111yescharacteristic
406#127—28no—
407#127—22no—
408#127D4×C6114yescomplemented
409#121—216no—
410#121—24no—
411#121—24no—
412#121—24no—
413#121—42no—
414#121—44no—
415C4×Q8—22no—
416C4×Q8D4×C6114yescomplemented
417C4×D4—28no—
418C4×D4—22no—
419C4×D4—22no—
420C4×D4—22no—
421C4×D4—22no—
422C2×C4⋊C4—21no—
423C2×C4⋊C4—21no—
424C2×C4⋊C4—21no—
425C2×C4⋊C4D4×C6111yescharacteristic
426C2×C4⋊C4C23×C6111yescharacteristic
427C2×C4⋊C4C23×C6112yes—
428C2×C4⋊C4C23×C6111yescharacteristic
429C2×C22⋊C4—22no—
430C2×C22⋊C4—22no—
431C2×C22⋊C4—21no—
432C2×C22⋊C4—22no—
433C2×C22⋊C4D4×C6112yes—
434C2×C42—21no—
435C2×C42C23×C6111yescharacteristic
436#106—22no—
437C4⋊C8—22no—
438#103—22no—
439#103—24no—
440#102—24no—
441#102—24no—
442#102—22no—
443#102—42no—
444C22⋊C8—24no—
445C22⋊C8—42no—
446C4×C8—22no—
447#95—22no—
448C24—21no—
449C24—22no—
450C24C2×D4×C6112yes—
451#41—48no—
452#41—48no—
453#41—48no—
454#41—48no—
455C2×Q8—21no—
456C2×Q8—21no—
457C2×Q8—21no—
458C2×Q8C2×D4×C6112yes—
459C2×Q8C2×D4×C6112yes—
460C2×Q8#41×C6112yes—
461C2×D4—28no—
462C2×D4—28no—
463C2×D4—22no—
464C2×D4—24no—
465C2×D4—24no—
466C2×D4—22no—
467C2×D4—22no—
468C2×D4—21no—
469C2×D4—22no—
470C2×D4—21no—
471C2×D4—22no—
472C2×D4—21no—
473C2×D4—22no—
474C2×D4—22no—
475C2×D4—21no—
476C2×D4—22no—
477C2×D4—21no—
478C2×D4—44no—
479C2×D4—44no—
480C2×D4—44no—
481C2×D4—44no—
482C2×D4—42no—
483C2×D4—42no—
484C2×D4—81no—
485C2×D4—81no—
486C2×D4—82no—
487C2×D4—82no—
488C2×D4—82no—
489C2×D4C2×D4×C6114yes—
490C2×D4C2×D4×C6112yes—
491C22×C4—21no—
492C22×C4—28no—
493C22×C4—21no—
494C22×C4—22no—
495C22×C4—22no—
496C22×C4—22no—
497C22×C4—22no—
498C22×C4—22no—
499C22×C4—22no—
500C22×C4—21no—
501C22×C4—22no—
502C22×C4—44no—
503C22×C4—44no—
504C22×C4—42no—
505C22×C4—42no—
506C22×C4—42no—
507C22×C4C2×D4×C6112yes—
508C22×C4C2×D4×C6111yescharacteristic
509C22×C4C2×D4×C6111yescharacteristic
510C22×C4C24×C6111yescharacteristic
511SD16—28no—
512D8—48no—
513C2×C8—21no—
514C2×C8—21no—
515C2×C8—21no—
516C2×C8—22no—
517C2×C8—22no—
518C2×C8—21no—
519C2×C8—22no—
520C2×C8—21no—
521C2×C8C2×D4×C6112yes—
522C4⋊C4—24no—
523C4⋊C4—22no—
524C4⋊C4—21no—
525C4⋊C4—21no—
526C4⋊C4—22no—
527C4⋊C4—21no—
528C4⋊C4—22no—
529C4⋊C4—42no—
530C4⋊C4—81no—
531C4⋊C4C2×D4×C6112yes—
532C22⋊C4—28no—
533C22⋊C4—24no—
534C22⋊C4—44no—
535C22⋊C4—44no—
536C22⋊C4—42no—
537C42—24no—
538C42C2×D4×C6112yes—
539C42C2×D4×C6112yes—
540C23—22no—
541C23—22no—
542C23—22no—
543C23—22no—
544C23—22no—
545C23—22no—
546C23—22no—
547C23—22no—
548C23—24no—
549C23—42no—
550C23—42no—
551C23—41no—
552C23—41no—
553C23—42no—
554C23—41no—
555C23—42no—
556C23—42no—
557C23—41no—
558C23—42no—
559C23—41no—
560C23—41no—
561C23C22×D4×C6111yescharacteristic
562Q8—22no—
563Q8—22no—
564Q8—22no—
565Q8#121×C6114yescomplemented
566D4—22no—
567D4—24no—
568D4—24no—
569D4—22no—
570D4—416no—
571D4—41no—
572D4—42no—
573D4—41no—
574D4—44no—
575D4—48no—
576D4—42no—
577D4—84no—
578D4—88no—
579D4—88no—
580C2×C4—22no—
581C2×C4—22no—
582C2×C4—21no—
583C2×C4—21no—
584C2×C4—22no—
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—42no—
597C2×C4—41no—
598C2×C4—41no—
599C2×C4—42no—
600C2×C4—42no—
601C2×C4—41no—
602C2×C4—84no—
603C2×C4#120×C6112yes—
604C2×C4#120×C6112yes—
605C2×C4#135×C6112yes—
606C2×C4AGL(1,ℤ/8)×C6112yes—
607C2×C4C22×D4×C6111yescharacteristic
608C2×C4C22×D4×C6111yescharacteristic
609C2×C4C22×D4×C6111yescharacteristic
610C2×C4C2×#41×C6111yescharacteristic
611C2×C4H(5,𝔽2)×C6111yescharacteristic
612C2×C4H(5,𝔽2)×C6111yescharacteristic
613C8—22no—
614C8—41no—
615C8—42no—
616C22—42no—
617C22—42no—
618C22—44no—
619C22—42no—
620C22—42no—
621C22—42no—
622C22—44no—
623C22—42no—
624C22—44no—
625C22—42no—
626C22—42no—
627C22—42no—
628C22—42no—
629C22—82no—
630C22—81no—
631C22—82no—
632C22—81no—
633C22—81no—
634C22—81no—
635C22—82no—
636C22—82no—
637C22C2×#120×C6111yescharacteristic
638C22D42×C6111yescharacteristic
639C22C61×#54611yescharacteristic
640C22C2×#135×C6111yescharacteristic
641C22C2×AGL(1,ℤ/8)×C6111yescharacteristic
642C22C61×#57611yescharacteristic
643C22C61×#57711yescharacteristic
644C4—24no—
645C4—22no—
646C4—42no—
647C4—42no—
648C4—81no—
649C4—82no—
650C4C61×#44914yescomplemented
651C4C2×#121×C6111yescharacteristic
652C4C61×#53511yescharacteristic
653C4D42×C6111yescharacteristic
654C4C61×#54611yescharacteristic
655C2—82no—
656C2—84no—
657C2—82no—
658C2C61×#240811yescharacteristic
659C2C2×C61×#44911yescharacteristic
660C2C61×#301211yescharacteristic
661C2C61×#327411yescharacteristic
662C2C61×#328411yescharacteristic
663C2C61×#330511yescharacteristic
664C2C61×#333211yescharacteristic
subgroupG/H
center, socleC23×C61C22×D4
commutator, Frattini, cosocleC22×C4C24×C61
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C61 ◁ C2×C4×D4×C61 ◁ G

Complements

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

NH ≅ G/Ntype
1. C2×C61×#550C2semidirect
2. C2×C61×#459C2semidirect
3. C2×C61×#449C2semidirect
4. C2×C4×SD16×C61C2semidirect
5. C61×#2537C2semidirect
6. C61×#2034C2semidirect
7. C61×#1999C2semidirect
8. C61×#1957C2semidirect
9. C61×#1954C2semidirect
10. C61×#1803C2semidirect
11. C61×#1788C2semidirect
66. C2×SD16×C61D4semidirect
75. #127×C61D4semidirect
83. C4×Q8×C61D4semidirect
232. Q8×C61#121semidirect
283. #24238C61direct (N × H)
318. C4×C61#449semidirect
323. C2×#550C2×C61semidirect
324. C2×#459C2×C61semidirect
325. C2×#449C2×C61semidirect
326. C2×C4×SD16C2×C61semidirect
327. #2537C2×C61semidirect
328. #2034C2×C61semidirect
329. #1999C2×C61semidirect
330. #1957C2×C61semidirect
331. #1954C2×C61semidirect
332. #1803C2×C61semidirect
333. #1788C2×C61semidirect
378. C61#24238direct (N × H)
399. C2×SD16D4×C61semidirect
408. #127D4×C61semidirect
416. C4×Q8D4×C61semidirect
565. Q8#121×C61semidirect
650. C4C61×#449semidirect

Maximal subgroups

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

subgroupindex
C2×C61×#5502
C2×C61×#4592
C2×C61×#4492
C2×C4×SD16×C612
C61×#25372
C61×#20342
C61×#19992
C61×#19572
C61×#19542
C61×#18032
C61×#17882
#2423861