Finite Group Databasebeta

← C2×#14529251 #17036148

Subgroups — C2×#14529251 #17036148

Order 4352.

1854 conjugacy classes of subgroups.

The subgroup lattice has 708 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×M16×D17C211yesmaximal, characteristic
2C22×#10587583C211yesmaximal, characteristic
3C22×#10587495C211yesmaximal, characteristic, complemented
4C22×#10587495C211yesmaximal, characteristic, complemented
5C2×#11762772C211yesmaximal, characteristic
6#14529251C218yesmaximal, direct product factor
7C2×#11762578C211yesmaximal, characteristic, complemented
8C2×C17×#343C211yesmaximal, characteristic, complemented
9C23×Dic34C2211yescharacteristic
10C23×C4×D17C2211yescharacteristic
11C22×#63223C2211yescharacteristic
12C22×#63223C2211yescharacteristic
13C22×#63218—21no—
14C2×M16×D17—24no—
15C2×M16×D17—22no—
16C2×M16×D17—24no—
17C2×M16×D17C2214yes—
18C22×C8×D17—21no—
19C2×#10587583—21no—
20C2×#10587583—21no—
21C2×#10587583—22no—
22C2×#10587583—21no—
23C2×#10587583—22no—
24C2×#10587583—21no—
25C2×#10587583C414yes—
26C2×#10587583C2214yes—
27C22×C4⋊Dic17C412yes—
28C22×#63227C412yes—
29C2×#10587495—24no—
30C2×#10587495—24no—
31C2×#10587495C2214yescomplemented
32C2×#10587495C2214yescomplemented
33#11762772—22no—
34#11762772C2214yes—
35C2×#10587491—21no—
36C2×#10587491—21no—
37#11762578C2214yescomplemented
38C22×M16×C17C2211yescharacteristic
39C22×M16×C17C2211yescharacteristic
40C22×C4⋊C4×C17C2211yescharacteristic
41C17×#343C2214yescomplemented
42C24×D17C2×C411yescharacteristic
43C23×C4×C17C2×C412yes—
44C23×C4×C17C2311yescharacteristic
45C23×Dic17C2×C412yes—
46C23×Dic17C2×C411yescharacteristic
47C22×C4×D17—22no—
48C22×C4×D17—22no—
49C22×C4×D17—22no—
50C22×C4×D17—22no—
51C22×C4×D17C2×C412yes—
52C22×C4×D17D411yescharacteristic
53C22×C4×D17D411yescharacteristic
54C22×C4×D17D412yes—
55C22×C4×D17D411yescharacteristic
56C22×C4×D17D412yes—
57C22×C4×D17D411yescharacteristic
58C22×C4×D17C2312yes—
59C22×Dic34—22no—
60C22×Dic34—22no—
61C22×Dic34—21no—
62C22×Dic34—21no—
63C22×Dic34—21no—
64C22×Dic34—21no—
65C22×Dic34—22no—
66C22×Dic34—22no—
67C22×Dic34C2×C412yes—
68C22×Dic34C2312yes—
69C2×M16×C17—22no—
70C2×M16×C17—21no—
71C2×M16×C17—21no—
72C2×M16×C17—22no—
73C2×M16×C17—22no—
74C2×M16×C17D414yes—
75C2×M16×C17C2312yes—
76C2×M16×C17C2312yes—
77C22×C8×C17—21no—
78C22×C8×C17—21no—
79C2×C4⋊C4×C17—21no—
80C2×C4⋊C4×C17—21no—
81C2×C4⋊C4×C17—21no—
82C2×C4⋊C4×C17—21no—
83C2×C4⋊C4×C17C2×C412yes—
84C2×C4⋊C4×C17C2312yes—
85C2×#63227—22no—
86C2×#63227—24no—
87C2×#63227—22no—
88C2×#63227C2×C418yes—
89C2×C4⋊Dic17—24no—
90C2×C4⋊Dic17—22no—
91C2×C4⋊Dic17—22no—
92C2×C4⋊Dic17C2×C418yes—
93C2×#63223—22no—
94C2×#63223—21no—
95C2×#63223—21no—
96C2×#63223—22no—
97C2×#63223—22no—
98C2×#63223D414yes—
99C2×#63223C2312yes—
100C2×#63223C2312yes—
101C22×#3622—21no—
102C22×#3622—21no—
103M16×D17—216no—
104M16×D17—28no—
105M16×D17—28no—
106C2×#63218—28no—
107C2×#63218—24no—
108C2×C8×D17—28no—
109C2×C8×D17—24no—
110#10587583—24no—
111#10587583—24no—
112#10587583—24no—
113#10587583—24no—
114#10587583—24no—
115#10587583—24no—
116#10587583—24no—
117#10587583—24no—
118#10587495—28no—
119#10587495—28no—
120#10587491—24no—
121#10587491—24no—
122C24×C17C22×C411yescharacteristic
123C23×D17—22no—
124C23×D17—22no—
125C23×D17—24no—
126C23×D17—42no—
127C23×D17C22⋊C411yescharacteristic
128C23×D17C22⋊C412yes—
129C23×D17C22⋊C411yescharacteristic
130C23×D17C22×C412yes—
131C22×C4×C17—22no—
132C22×C4×C17—22no—
133C22×C4×C17—44no—
134C22×C4×C17C22×C414yes—
135C22×C4×C17C22×C411yescharacteristic
136C22×C4×C17C2×D412yes—
137C22×C4×C17C2×D411yescharacteristic
138C22×C4×C17C2×D411yescharacteristic
139C22×C4×C17C2×D411yescharacteristic
140C22×C4×C17C2×D411yescharacteristic
141C22×C4×C17C2×D412yes—
142C22×C4×C17#4112yes—
143C22×C4×C17#4112yes—
144C22×C4×C17C2411yescharacteristic
145C22×Dic17—22no—
146C22×Dic17—22no—
147C22×Dic17—22no—
148C22×Dic17—22no—
149C22×Dic17—24no—
150C22×Dic17—24no—
151C22×Dic17C22⋊C412yes—
152C22×Dic17C22⋊C411yescharacteristic
153C22×Dic17C22⋊C411yescharacteristic
154C22×Dic17C22×C414yes—
155C22×Dic17C22×C412yes—
156C2×C4×D17—24no—
157C2×C4×D17—24no—
158C2×C4×D17—22no—
159C2×C4×D17—22no—
160C2×C4×D17—24no—
161C2×C4×D17—22no—
162C2×C4×D17—22no—
163C2×C4×D17—24no—
164C2×C4×D17—22no—
165C2×C4×D17—22no—
166C2×C4×D17—24no—
167C2×C4×D17—22no—
168C2×C4×D17—24no—
169C2×C4×D17—22no—
170C2×C4×D17—22no—
171C2×C4×D17—22no—
172C2×C4×D17—22no—
173C2×C4×D17—22no—
174C2×C4×D17C22⋊C412yes—
175C2×C4×D17C22⋊C412yes—
176C2×C4×D17C22⋊C412yes—
177C2×C4×D17C22⋊C412yes—
178C2×C4×D17C2×D412yes—
179C2×C4×D17C2×D412yes—
180C2×C4×D17C2×D412yes—
181C2×C4×D17C2×D412yes—
182C2×Dic34—22no—
183C2×Dic34—22no—
184C2×Dic34—24no—
185C2×Dic34—24no—
186C2×Dic34—22no—
187C2×Dic34—22no—
188C2×Dic34—22no—
189C2×Dic34—22no—
190C2×Dic34—22no—
191C2×Dic34—22no—
192C2×Dic34—42no—
193C2×Dic34—42no—
194C2×Dic34—42no—
195C2×Dic34—42no—
196C2×Dic34—42no—
197C2×Dic34—42no—
198C2×Dic34—42no—
199C2×Dic34—42no—
200M16×C17—24no—
201M16×C17—22no—
202M16×C17—22no—
203M16×C17—22no—
204M16×C17—42no—
205M16×C17C2×D414yes—
206C2×C8×C17—24no—
207C2×C8×C17—22no—
208C2×C8×C17—22no—
209C2×C8×C17—42no—
210C4⋊C4×C17—22no—
211C4⋊C4×C17—22no—
212C4⋊C4×C17—22no—
213C4⋊C4×C17—22no—
214#63227—28no—
215#63227—28no—
216C4⋊Dic17—28no—
217C4⋊Dic17—28no—
218#63223—24no—
219#63223—22no—
220#63223—22no—
221#63223—22no—
222#63223—42no—
223#63223C2×D414yes—
224C2×#3622—24no—
225C2×#3622—22no—
226C2×#3622—22no—
227C2×#3622—42no—
228#63218—216no—
229C8×D17—216no—
230C2×#1901—171nomaximal, Sylow
231C23×C17—22no—
232C23×C17—22no—
233C23×C17C2×C22⋊C411yescharacteristic
234C23×C17C2×C22⋊C411yescharacteristic
235C23×C17C4×D412yes—
236C23×C17C4×D412yes—
237C23×C17C23×C411yescharacteristic
238C22×D17—22no—
239C22×D17—22no—
240C22×D17—22no—
241C22×D17—22no—
242C22×D17—24no—
243C22×D17—22no—
244C22×D17—22no—
245C22×D17—22no—
246C22×D17—24no—
247C22×D17—24no—
248C22×D17—42no—
249C22×D17—42no—
250C22×D17—48no—
251C22×D17—48no—
252C22×D17#10114yescomplemented
253C22×D17C2×C22⋊C412yes—
254C22×D17C2×C22⋊C412yes—
255C2×C4×C17—24no—
256C2×C4×C17—44no—
257C2×C4×C17—44no—
258C2×C4×C17—44no—
259C2×C4×C17C2×C22⋊C411yescharacteristic
260C2×C4×C17C2×C22⋊C411yescharacteristic
261C2×C4×C17C4×D412yes—
262C2×C4×C17C4×D412yes—
263C2×C4×C17#12012yes—
264C2×C4×C17#12012yes—
265C2×C4×C17#12112yes—
266C2×C4×C17#12112yes—
267C2×C4×C17#12112yes—
268C2×C4×C17#12112yes—
269C2×C4×C17#12312yes—
270C2×C4×C17#12312yes—
271C2×C4×C17C22×D411yescharacteristic
272C2×C4×C17C22×D411yescharacteristic
273C2×C4×C17C22×D411yescharacteristic
274C2×C4×C17C22×D411yescharacteristic
275C2×C4×C17C2×#4111yescharacteristic
276C2×C4×C17C2×#4111yescharacteristic
277C2×Dic17—22no—
278C2×Dic17—22no—
279C2×Dic17—24no—
280C2×Dic17—22no—
281C2×Dic17—22no—
282C2×Dic17—24no—
283C2×Dic17—24no—
284C2×Dic17—24no—
285C2×Dic17—44no—
286C2×Dic17—44no—
287C2×Dic17C2×C22⋊C412yes—
288C2×Dic17C2×C22⋊C412yes—
289C4×D17—22no—
290C4×D17—22no—
291C4×D17—22no—
292C4×D17—22no—
293C4×D17—22no—
294C4×D17—22no—
295C4×D17—22no—
296C4×D17—22no—
297C4×D17—24no—
298C4×D17—24no—
299C4×D17—24no—
300C4×D17—24no—
301Dic34—42no—
302Dic34—42no—
303Dic34—42no—
304Dic34—42no—
305Dic34—44no—
306Dic34—44no—
307C8×C17—24no—
308C8×C17—42no—
309#3622—24no—
310#3622—42no—
311C23×M16—171no—
312C22×C22⋊Q8—171no—
313C22×#101—171no—
314C22×#101—171no—
315C2×#407—171no—
316#1901—178no—
317C2×#343—171no—
318C2×#343D1711yescharacteristic, complemented
319C22×C17—21no—
320C22×C17—21no—
321C22×C17—21no—
322C22×C17—21no—
323C22×C17—24no—
324C22×C17—24no—
325C22×C17#38612yes—
326C22×C17#38612yes—
327C22×C17C2×#10112yes—
328C22×C17#41312yes—
329C22×C17C22×C22⋊C411yescharacteristic
330C22×C17C2×C4×D411yescharacteristic
331C22×C17C2×C4×D411yescharacteristic
332C2×D17—22no—
333C2×D17—28no—
334C2×D17—22no—
335C2×D17—22no—
336C2×D17—22no—
337C2×D17—22no—
338C2×D17—44no—
339C2×D17—44no—
340C2×D17—48no—
341C2×D17—44no—
342C2×D17C2×#10114yescomplemented
343C4×C17—44no—
344C4×C17#38612yes—
345C4×C17#38612yes—
346C4×C17C2×#12011yescharacteristic
347C4×C17C2×#12111yescharacteristic
348C4×C17C2×#12111yescharacteristic
349C4×C17C2×#12311yescharacteristic
350Dic17—22no—
351Dic17—22no—
352Dic17—44no—
353C23×Q8—171no—
354C24×C4—171no—
355C22×M16—171no—
356C22×M16—171no—
357C22×M16—174no—
358C22×M16—341no—
359C22×M16—344no—
360C22×M16—342no—
361C22×M16—344no—
362C22×M16C2×D1711yescharacteristic
363C22×M16C2×D1711yescharacteristic
364C23×C8—341no—
365C2×C22⋊Q8—174no—
366C2×C22⋊Q8—174no—
367C2×C22⋊Q8—341no—
368C2×C22⋊Q8—342no—
369C2×C22⋊Q8—341no—
370C2×C22⋊Q8—341no—
371C2×C22⋊Q8—341no—
372C2×C22⋊Q8—342no—
373C22×C4⋊C4—172no—
374C22×C4⋊C4C2×D1711yescharacteristic
375C22×C22⋊C4—172no—
376C2×#101—174no—
377C2×#101—174no—
378C2×#101—344no—
379C2×#101—344no—
380#407—174no—
381#407—342no—
382C2×C22⋊C8—341no—
383C2×C22⋊C8—341no—
384#343—174no—
385#343C2×D1714yescomplemented
386C2×C17—21no—
387C2×C17—21no—
388C2×C17—22no—
389C2×C17#190114yescomplemented
390C2×C17C2×#38611yescharacteristic
391C2×C17C22×#10111yescharacteristic
392C2×C17C2×#41311yescharacteristic
393D17—24no—
394D17—42no—
395C25—171no—
396C22×Q8—172no—
397C22×Q8—172no—
398C22×Q8—342no—
399C22×Q8—342no—
400C22×Q8—341no—
401C22×Q8—341no—
402C22×Q8—341no—
403C22×Q8—341no—
404C22×Q8—342no—
405C22×Q8—342no—
406C23×C4—171no—
407C23×C4—172no—
408C23×C4—171no—
409C23×C4—172no—
410C23×C4—171no—
411C23×C4—171no—
412C23×C4—171no—
413C23×C4—172no—
414C23×C4—172no—
415C23×C4—172no—
416C23×C4—342no—
417C23×C4—342no—
418C23×C4—342no—
419C23×C4—342no—
420C23×C4C4×D1712yes—
421C23×C4C22×D1711yescharacteristic
422C2×M16—21no—
423C2×M16—22no—
424C2×M16—21no—
425C2×M16—22no—
426C2×M16—22no—
427C2×M16—174no—
428C2×M16—172no—
429C2×M16—172no—
430C2×M16—344no—
431C2×M16—348no—
432C2×M16—348no—
433C2×M16—3416no—
434C2×M16—342no—
435C2×M16—341no—
436C2×M16—348no—
437C2×M16—341no—
438C2×M16—342no—
439C2×M16—342no—
440C2×M16D6814yes—
441C2×M16C22×D1712yes—
442C2×M16C22×D1712yes—
443C22×C8—21no—
444C22×C8—21no—
445C22×C8—344no—
446C22×C8—348no—
447C22×C8—341no—
448C22×C8—341no—
449C22⋊Q8—344no—
450C22⋊Q8—344no—
451C22⋊Q8—344no—
452C22⋊Q8—344no—
453C22⋊Q8—344no—
454C22⋊Q8—344no—
455C22⋊Q8—344no—
456C22⋊Q8—344no—
457C2×C4⋊C4—21no—
458C2×C4⋊C4—21no—
459C2×C4⋊C4—21no—
460C2×C4⋊C4—21no—
461C2×C4⋊C4—178no—
462C2×C4⋊C4—344no—
463C2×C4⋊C4—342no—
464C2×C4⋊C4—342no—
465C2×C4⋊C4C4×D1712yes—
466C2×C4⋊C4C22×D1712yes—
467C2×C22⋊C4—178no—
468C2×C22⋊C4—344no—
469C2×C22⋊C4—342no—
470C2×C22⋊C4—342no—
471#101—348no—
472#101—348no—
473C22⋊C8—344no—
474C22⋊C8—344no—
475C17C2×#190111yescharacteristic, complemented, Sylow
476C24—171no—
477C24—171no—
478C24—172no—
479C24—172no—
480C24—344no—
481C24—342no—
482C24—342no—
483C24—682no—
484C24C2×C4×D1711yescharacteristic
485C2×Q8—342no—
486C2×Q8—342no—
487C2×Q8—342no—
488C2×Q8—342no—
489C2×Q8—342no—
490C2×Q8—342no—
491C2×Q8—344no—
492C2×Q8—342no—
493C2×Q8—342no—
494C2×Q8—344no—
495C2×Q8—682no—
496C2×Q8—682no—
497C2×Q8—682no—
498C2×Q8—682no—
499C2×Q8—682no—
500C2×Q8—682no—
501C2×Q8—682no—
502C2×Q8—682no—
503C22×C4—22no—
504C22×C4—22no—
505C22×C4—44no—
506C22×C4—172no—
507C22×C4—172no—
508C22×C4—171no—
509C22×C4—171no—
510C22×C4—172no—
511C22×C4—172no—
512C22×C4—172no—
513C22×C4—172no—
514C22×C4—172no—
515C22×C4—172no—
516C22×C4—172no—
517C22×C4—172no—
518C22×C4—174no—
519C22×C4—342no—
520C22×C4—342no—
521C22×C4—342no—
522C22×C4—342no—
523C22×C4—342no—
524C22×C4—342no—
525C22×C4—344no—
526C22×C4—342no—
527C22×C4—344no—
528C22×C4—342no—
529C22×C4—342no—
530C22×C4—342no—
531C22×C4—344no—
532C22×C4—344no—
533C22×C4—342no—
534C22×C4—344no—
535C22×C4—342no—
536C22×C4—342no—
537C22×C4—342no—
538C22×C4—344no—
539C22×C4—344no—
540C22×C4—342no—
541C22×C4—342no—
542C22×C4—344no—
543C22×C4C2×C4×D1714yes—
544C22×C4C2×C4×D1711yescharacteristic
545C22×C4C2×D6812yes—
546C22×C4#6325212yes—
547C22×C4D4×D1711yescharacteristic
548C22×C4D4×D1711yescharacteristic
549C22×C4D4×D1711yescharacteristic
550C22×C4D4×D1711yescharacteristic
551C22×C4D4×D1712yes—
552C22×C4#6325612yes—
553C22×C4C23×D1711yescharacteristic
554M16—22no—
555M16—24no—
556M16—22no—
557M16—22no—
558M16—42no—
559M16—174no—
560M16—3416no—
561M16—342no—
562M16—344no—
563M16—342no—
564M16—342no—
565M16—682no—
566M16C2×D6814yes—
567C2×C8—22no—
568C2×C8—24no—
569C2×C8—22no—
570C2×C8—42no—
571C2×C8—3416no—
572C2×C8—342no—
573C2×C8—344no—
574C2×C8—342no—
575C2×C8—682no—
576C4⋊C4—22no—
577C4⋊C4—22no—
578C4⋊C4—22no—
579C4⋊C4—22no—
580C4⋊C4—348no—
581C4⋊C4—348no—
582C22⋊C4—348no—
583C22⋊C4—348no—
584C23—22no—
585C23—22no—
586C23—172no—
587C23—174no—
588C23—172no—
589C23—344no—
590C23—344no—
591C23—342no—
592C23—342no—
593C23—342no—
594C23—342no—
595C23—342no—
596C23—342no—
597C23—344no—
598C23—342no—
599C23—682no—
600C23—682no—
601C23—688no—
602C23—688no—
603C23C4×D6812yes—
604C23C22⋊C4×D1711yescharacteristic
605C23C22⋊C4×D1711yescharacteristic
606C23#1058757912yes—
607C23C22×C4×D1711yescharacteristic
608Q8—682no—
609Q8—682no—
610Q8—682no—
611Q8—682no—
612Q8—684no—
613Q8—684no—
614C2×C4—24no—
615C2×C4—44no—
616C2×C4—44no—
617C2×C4—44no—
618C2×C4—172no—
619C2×C4—172no—
620C2×C4—342no—
621C2×C4—342no—
622C2×C4—344no—
623C2×C4—342no—
624C2×C4—342no—
625C2×C4—342no—
626C2×C4—342no—
627C2×C4—342no—
628C2×C4—342no—
629C2×C4—342no—
630C2×C4—342no—
631C2×C4—342no—
632C2×C4—342no—
633C2×C4—344no—
634C2×C4—344no—
635C2×C4—344no—
636C2×C4—344no—
637C2×C4—344no—
638C2×C4—344no—
639C2×C4—344no—
640C2×C4—684no—
641C2×C4—684no—
642C2×C4C4×D6812yes—
643C2×C4C22⋊C4×D1711yescharacteristic
644C2×C4C22⋊C4×D1711yescharacteristic
645C2×C4#1058756812yes—
646C2×C4#1058756812yes—
647C2×C4#1058757012yes—
648C2×C4#1058757012yes—
649C2×C4#1058757912yes—
650C2×C4#1058758012yes—
651C2×C4#1058758012yes—
652C2×C4#1058758112yes—
653C2×C4#1058758112yes—
654C2×C4C22×D6811yescharacteristic
655C2×C4C2×#6325211yescharacteristic
656C2×C4C2×D4×D1711yescharacteristic
657C2×C4C2×D4×D1711yescharacteristic
658C2×C4C2×D4×D1711yescharacteristic
659C2×C4C2×#6325611yescharacteristic
660C8—24no—
661C8—42no—
662C8—344no—
663C8—682no—
664C22—21no—
665C22—21no—
666C22—21no—
667C22—21no—
668C22—24no—
669C22—24no—
670C22—174no—
671C22—342no—
672C22—342no—
673C22—348no—
674C22—342no—
675C22—342no—
676C22—342no—
677C22—684no—
678C22—684no—
679C22—688no—
680C22—684no—
681C22#1176268712yes—
682C22#1176268712yes—
683C22#101×D1712yes—
684C22#1176279012yes—
685C22C2×C22⋊C4×D1711yescharacteristic
686C22C2×#1058757911yescharacteristic
687C22C2×C4×D6811yescharacteristic
688C4—44no—
689C4—342no—
690C4—342no—
691C4—684no—
692C4#1176268712yes—
693C4#1176268712yes—
694C4C2×#1058756811yescharacteristic
695C4C2×#1058757011yescharacteristic
696C4C2×#1058758111yescharacteristic
697C4C2×#1058758011yescharacteristic
698C2—21no—
699C2—21no—
700C2—22no—
701C2—344no—
702C2—682no—
703C2#1452925114yesdirect product factor
704C2C2×#1176268711yescharacteristic
705C2C2×#101×D1711yescharacteristic
706C2C2×#1176279011yescharacteristic
subgroupG/H
centerC23C22⋊C4×D17
commutatorC23×C17C23×C4
FrattiniC22×C4C23×D17
FittingC2×C17×#343C2
socleC23×C17C2×C22⋊C4
prime radicalC24×D17C2×C4
cosocleC22×C4×C17C24
hypercenterC2×#343D17
hypocenterC17C2×#1901
LCSG ▷ C23×C17 ▷ C2×C17 ▷ C17
UCSC1 ◁ C23 ◁ C23×C4 ◁ C2×#343

Complements

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

NH ≅ G/Ntype
3. C22×#10587495C2semidirect
4. C22×#10587495C2semidirect
6. #14529251C2direct (N × H)
7. C2×#11762578C2semidirect
8. C2×C17×#343C2semidirect
31. C2×#10587495C22semidirect
32. C2×#10587495C22semidirect
37. #11762578C22semidirect
41. C17×#343C22semidirect
252. C22×D17#101semidirect
318. C2×#343D17semidirect
342. C2×D17C2×#101semidirect
385. #343C2×D17semidirect
389. C2×C17#1901semidirect
475. C17C2×#1901semidirect
703. C2#14529251direct (N × H)

Maximal subgroups

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

subgroupindex
C22×M16×D172
C22×#105875832
C22×#105874952
C2×#117627722
#145292512
C2×#117625782
C2×C17×#3432
C2×#190117