Finite Group Databasebeta

← C4×#90374 #13516499

Subgroups — C4×#90374 #13516499

Order 1792.

2664 conjugacy classes of subgroups.

The subgroup lattice has 618 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#90374C211yesmaximal, characteristic
2C4×C7×#124C211yesmaximal, characteristic, complemented
3#11740402C211yesmaximal, characteristic, complemented
4C4×#6510C212yesmaximal, complemented
5C4×#6500C212yesmaximal, complemented
6#11733941C212yesmaximal, complemented
7#11733879C212yesmaximal, complemented
8#11733285C214yesmaximal, complemented
9#11732938C214yesmaximal, complemented
10#11731675C212yesmaximal, complemented
11C4×#6445C214yesmaximal, complemented
12C4×#6448C214yesmaximal, complemented
13C4×#6438C212yesmaximal, complemented
14C23×C4×D7C2212yescomplemented
15C2×C7×#124C2211yescharacteristic
16C2×C4×C7×Q8C2211yescharacteristic, complemented
17C2×C4×C7×D4C2211yescharacteristic
18C2×#6510C2212yes—
19C2×#6500C2212yes—
20C2×C4×C22⋊D7C2214yes—
21#90374C4116yesdirect product factor
22C2×#6448C2214yes—
23C2×#6445C2214yes—
24C2×#6438C2212yes—
25C2×C4×D28C2212yes—
26C2×C4×D28C2212yes—
27C2×C4×Dic14C2212yescomplemented
28C7×#391C2211yescharacteristic, complemented
29C7×#390C2211yescharacteristic
30C7×#388C2214yescomplemented
31C7×#382C2211yescharacteristic, complemented
32C4×C7×C22⋊C4C2214yescomplemented
33C43×C7C2211yescharacteristic, complemented
34#90002C2212yescomplemented
35#89992C2212yes—
36C4×C22⋊Dic7C2212yescomplemented
37#89762C2214yescomplemented
38#89762C2214yescomplemented
39#89761C2214yescomplemented
40#89760C2212yes—
41#89749C2212yescomplemented
42#89730C2214yes—
43#89729C2214yes—
44#89728C2214yes—
45#89727C2212yescomplemented
46#89727C2214yescomplemented
47#89723C2214yescomplemented
48#89722C2214yescomplemented
49#89718C2212yescomplemented
50#89716C2214yescomplemented
51#89712C2214yescomplemented
52#89712C2214yescomplemented
53#89711C2212yes—
54C4×(C2×D7)⋊C4C2214yescomplemented
55C4×(C2×D7)⋊C4C2214yescomplemented
56C4×(C2×D7)⋊C4C2214yescomplemented
57#89708C2212yescomplemented
58C42×Dic7C2212yescomplemented
59#89701C2212yescomplemented
60#89442C2214yescomplemented
61#89441C2214yescomplemented
62#89440C2214yescomplemented
63#89440C2214yescomplemented
64#89437C2214yes—
65#89437C2214yes—
66#89422C2214yescomplemented
67#89418C2214yescomplemented
68C4×H(3,𝔽4)—71nomaximal, Sylow
69C24×D7C2312yes—
70C22×C7×Q8C2311yescharacteristic
71C22×C7×D4C2311yescharacteristic
72C23×C4×C7C2312yes—
73C22×C22⋊D7C2314yes—
74C23×Dic7C2312yes—
75C22×D28C2312yes—
76C22×D28C2312yes—
77C22×C4×D7—44no—
78C22×C4×D7—48no—
79C22×C4×D7C2314yes—
80C22×C4×D7C2314yes—
81C22×Dic14C2312yes—
82C7×#124C2×C418yescomplemented
83C4×C7×Q8—42no—
84C4×C7×D4—42no—
85C2×C7×C4⋊C4C2312yes—
86C2×C7×C4⋊C4C2311yescharacteristic
87C2×C7×C4⋊C4C2311yescharacteristic
88C2×C7×C22⋊C4C2314yes—
89C2×C7×C22⋊C4C2312yes—
90C2×C7×C22⋊C4C2314yes—
91C2×C42×C7C2312yes—
92C2×C42×C7C2312yes—
93C2×C42×C7C2311yescharacteristic
94C2×C42×C7C2312yes—
95C2×C42×C7C2311yescharacteristic
96C2×C42×C7C2311yescharacteristic
97C2×C22⋊Dic7C2314yes—
98C2×C22⋊Dic7C2312yes—
99C2×C22⋊Dic7C2312yes—
100#6510C2×C4116yescomplemented
101#6500C2×C4116yescomplemented
102C4×C22⋊D7—48no—
103C2×(C2×D7)⋊C4C2314yes—
104C2×(C2×D7)⋊C4C2314yes—
105C2×(C2×D7)⋊C4C2314yes—
106C2×(C2×D7)⋊C4C2314yes—
107C2×(C2×D7)⋊C4C2314yes—
108C2×(C2×D7)⋊C4C2314yes—
109C2×(C2×D7)⋊C4C2314yes—
110C2×(C2×D7)⋊C4C2314yes—
111C2×(C2×D7)⋊C4C2314yes—
112C2×C4⋊Dic7C2312yes—
113C2×C4⋊Dic7C2312yes—
114C2×C4⋊Dic7C2312yes—
115C2×Dic7⋊C4C2314yes—
116C2×Dic7⋊C4C2314yes—
117C2×C4×Dic7C2314yes—
118C2×C4×Dic7C2314yes—
119C2×C4×Dic7C2312yes—
120C2×C4×Dic7C2312yes—
121#6448C2×C4132yescomplemented
122#6445C2×C4132yescomplemented
123#6438C2×C4116yescomplemented
124C4×D28—44no—
125C4×D28—44no—
126C4×Dic14—44no—
127C7×#95C2314yes—
128C7×#95C2314yes—
129C7⋊#95C2314yes—
130C7⋊#95C2314yes—
131C7⋊#95C2314yes—
132C7⋊#95C2314yes—
133C7⋊#95C2314yes—
134C7⋊#95C2314yes—
135C7⋊#95C2314yes—
136C2×H(3,𝔽4)—71no—
137#2379—72no—
138#2379—74no—
139#2379—72no—
140#2379—71no—
141#2375—72no—
142#2375—74no—
143C4×#124—74no—
144C4×#124—72no—
145C4×#124—72no—
146C4×#124D711yescharacteristic, complemented
147C4×#120—74no—
148C4×#120—72no—
149C24×C7C2412yes—
150C23×D7—42no—
151C23×D7—44no—
152C23×D7—42no—
153C23×D7—44no—
154C23×D7C22×C418yescomplemented
155C23×D7C2414yes—
156C2×C7×Q8—41no—
157C2×C7×Q8—41no—
158C2×C7×Q8C22×C414yescomplemented
159C2×C7×D4—41no—
160C2×C7×D4—41no—
161C2×C7×D4C22×C414yes—
162C22×C4×C7—28no—
163C22×C4×C7—24no—
164C22×C4×C7C2411yescharacteristic
165C22×C4×C7C2412yes—
166C22×C4×C7C2412yes—
167C22×C4×C7C2412yes—
168C22×C4×C7C2411yescharacteristic
169C22×C4×C7C2412yes—
170C22×C4×C7C2412yes—
171C22×C4×C7C2411yescharacteristic
172C2×C22⋊D7—44no—
173C2×C22⋊D7—44no—
174C2×C22⋊D7C22×C4116yes—
175C22×Dic7—44no—
176C22×Dic7—42no—
177C22×Dic7C2414yes—
178C22×Dic7C2414yes—
179C22×Dic7C2414yes—
180C2×D28—42no—
181C2×D28—42no—
182C2×D28—42no—
183C2×D28—42no—
184C2×D28C22×C418yes—
185C2×D28C22×C418yes—
186C2×C4×D7—28no—
187C2×C4×D7—28no—
188C2×C4×D7—28no—
189C2×C4×D7—44no—
190C2×C4×D7—44no—
191C2×C4×D7—44no—
192C2×C4×D7—432no—
193C2×Dic14—42no—
194C2×Dic14—42no—
195C2×Dic14C22×C418yescomplemented
196C7×C4⋊C4—41no—
197C7×C4⋊C4—42no—
198C7×C4⋊C4—41no—
199C7×C22⋊C4—44no—
200C7×C22⋊C4—42no—
201C7×C22⋊C4C22×C4116yescomplemented
202C42×C7—24no—
203C42×C7—24no—
204C42×C7—22no—
205C42×C7—42no—
206C42×C7—41no—
207C42×C7C22×C414yescomplemented
208C22⋊Dic7—44no—
209C22⋊Dic7—42no—
210C22⋊Dic7C22×C418yescomplemented
211(C2×D7)⋊C4—44no—
212(C2×D7)⋊C4—44no—
213(C2×D7)⋊C4—44no—
214(C2×D7)⋊C4—44no—
215(C2×D7)⋊C4—44no—
216(C2×D7)⋊C4—44no—
217(C2×D7)⋊C4C22×C4116yescomplemented
218(C2×D7)⋊C4C22×C4116yescomplemented
219(C2×D7)⋊C4C22×C4116yescomplemented
220C4⋊Dic7—42no—
221C4⋊Dic7—42no—
222C4⋊Dic7—42no—
223Dic7⋊C4—44no—
224Dic7⋊C4—44no—
225C4×Dic7—28no—
226C4×Dic7—44no—
227C4×Dic7—42no—
228C4×Dic7C22×C418yescomplemented
229C24×C4—72no—
230H(3,𝔽4)—716no—
231C2×#124—72no—
232C2×#124—74no—
233C2×#124—72no—
234C2×#124C2×D711yescharacteristic
235C2×#120—72no—
236C2×#120—74no—
237C2×C4×Q8—72no—
238C2×C4×Q8C2×D711yescharacteristic, complemented
239C2×C4×D4—74no—
240C2×C4×D4—72no—
241C2×C4×D4—72no—
242C2×C4×D4C2×D711yescharacteristic
243#391—72no—
244#391—72no—
245#391—74no—
246#391C2×D711yescharacteristic, complemented
247#390—72no—
248#390—74no—
249#390—72no—
250#390C2×D711yescharacteristic
251#388—74no—
252#388—74no—
253#388—74no—
254#388—74no—
255#388—74no—
256#388—74no—
257#388—74no—
258#388—74no—
259#388C2×D714yescomplemented
260#386—72no—
261#386—74no—
262#386—74no—
263#386—74no—
264#386—74no—
265#385—74no—
266#385—72no—
267#385—74no—
268#385—74no—
269#385—74no—
270#382—72no—
271#382—72no—
272#382—74no—
273#382C2×D711yescharacteristic, complemented
274#379—74no—
275#379—72no—
276C4×C22⋊C4—72no—
277C4×C22⋊C4—74no—
278C4×C22⋊C4—74no—
279C4×C22⋊C4—74no—
280C4×C22⋊C4C2×D714yescomplemented
281C43—72no—
282C43C2×D711yescharacteristic, complemented
283C23×C7—24no—
284C23×C7—22no—
285C23×C7—22no—
286C23×C7—24no—
287C23×C7C23×C414yes—
288C23×C7C2511yescharacteristic
289C22×D7—24no—
290C22×D7—24no—
291C22×D7—24no—
292C22×D7—24no—
293C22×D7—24no—
294C22×D7—24no—
295C22×D7—48no—
296C22×D7—416no—
297C22×D7—48no—
298C22×D7—416no—
299C22×D7—48no—
300C22×D7C23×C418yes—
301C7×Q8—44no—
302C7×D4—44no—
303C2×C4×C7—22no—
304C2×C4×C7—22no—
305C2×C4×C7—21no—
306C2×C4×C7—22no—
307C2×C4×C7—22no—
308C2×C4×C7—21no—
309C2×C4×C7—22no—
310C2×C4×C7—24no—
311C2×C4×C7—22no—
312C2×C4×C7—21no—
313C2×C4×C7—22no—
314C2×C4×C7—24no—
315C2×C4×C7—22no—
316C2×C4×C7—22no—
317C2×C4×C7—22no—
318C2×C4×C7—48no—
319C2×C4×C7C23×C414yes—
320C2×C4×C7C23×C412yes—
321C2×C4×C7C23×C414yes—
322C2×C4×C7H(5,𝔽2)12yes—
323C2×C4×C7H(5,𝔽2)14yes—
324C22⋊D7—416no—
325C2×Dic7—24no—
326C2×Dic7—24no—
327C2×Dic7—24no—
328C2×Dic7—24no—
329C2×Dic7—24no—
330C2×Dic7—24no—
331C2×Dic7—24no—
332C2×Dic7—24no—
333C2×Dic7—48no—
334C2×Dic7C23×C418yes—
335D28—48no—
336D28—48no—
337C4×D7—416no—
338C4×D7—416no—
339Dic14—48no—
340C25—72no—
341C22×Q8—72no—
342C22×Q8C22×D711yescharacteristic
343C22×D4—74no—
344C22×D4—72no—
345C22×D4—72no—
346C22×D4C22×D711yescharacteristic
347C23×C4—72no—
348C23×C4—74no—
349C23×C4—74no—
350C23×C4—284no—
351C23×C4—288no—
352C23×C4C22×D712yes—
353#124—716no—
354#124—732no—
355#124—716no—
356#124C4×D718yescomplemented
357#120—716no—
358#120—732no—
359C4×Q8—42no—
360C4×Q8—284no—
361C4×D4—42no—
362C4×D4—284no—
363C4×D4—284no—
364C4×D4—288no—
365C2×C4⋊C4—74no—
366C2×C4⋊C4—72no—
367C2×C4⋊C4—72no—
368C2×C4⋊C4—74no—
369C2×C4⋊C4—72no—
370C2×C4⋊C4C22×D711yescharacteristic
371C2×C4⋊C4C22×D712yes—
372C2×C4⋊C4C22×D711yescharacteristic
373C2×C22⋊C4—72no—
374C2×C22⋊C4—74no—
375C2×C22⋊C4—74no—
376C2×C22⋊C4—74no—
377C2×C22⋊C4—74no—
378C2×C22⋊C4—72no—
379C2×C22⋊C4—74no—
380C2×C22⋊C4—74no—
381C2×C22⋊C4—74no—
382C2×C22⋊C4—74no—
383C2×C22⋊C4—74no—
384C2×C22⋊C4—74no—
385C2×C22⋊C4C22×D712yes—
386C2×C22⋊C4C22×D714yes—
387C2×C22⋊C4C22×D714yes—
388C2×C42—72no—
389C2×C42—74no—
390C2×C42—74no—
391C2×C42—72no—
392C2×C42C22×D712yes—
393C2×C42C22×D712yes—
394C2×C42C22×D711yescharacteristic
395C2×C42C22×D711yescharacteristic
396C2×C42C22×D712yes—
397C2×C42C22×D711yescharacteristic
398#95—74no—
399#95—74no—
400#95—74no—
401#95—74no—
402#95—74no—
403#95—74no—
404#95—74no—
405#95C22×D714yes—
406#95C22×D714yes—
407C22×C7—28no—
408C22×C7—24no—
409C22×C7—42no—
410C22×C7—44no—
411C22×C7—42no—
412C22×C7C24×C411yescharacteristic
413C22×C7C2×H(5,𝔽2)11yescharacteristic
414C22×C7C2×H(5,𝔽2)12yes—
415C22×C7#58511yescharacteristic
416C22×C7#58512yes—
417C2×D7—28no—
418C2×D7—28no—
419C2×D7—28no—
420C2×D7—432no—
421C2×D7—44no—
422C2×D7—44no—
423C2×D7—44no—
424C2×D7—44no—
425C4×C7—24no—
426C4×C7—24no—
427C4×C7—22no—
428C4×C7—42no—
429C4×C7—42no—
430C4×C7—42no—
431C4×C7—41no—
432C4×C7H(3,𝔽4)14yescomplemented
433Dic7—28no—
434Dic7—44no—
435Dic7—44no—
436C24—74no—
437C24—78no—
438C24—282no—
439C24—284no—
440C24—284no—
441C24—282no—
442C24C23×D712yes—
443C2×Q8—41no—
444C2×Q8—41no—
445C2×Q8—78no—
446C2×Q8—282no—
447C2×Q8—282no—
448C2×Q8C2×C4×D714yescomplemented
449C2×D4—41no—
450C2×D4—41no—
451C2×D4—716no—
452C2×D4—78no—
453C2×D4—78no—
454C2×D4—282no—
455C2×D4—282no—
456C2×D4—282no—
457C2×D4—282no—
458C2×D4—284no—
459C2×D4—284no—
460C2×D4C2×C4×D714yes—
461C22×C4—24no—
462C22×C4—28no—
463C22×C4—74no—
464C22×C4—74no—
465C22×C4—74no—
466C22×C4—148no—
467C22×C4—148no—
468C22×C4—148no—
469C22×C4—284no—
470C22×C4—284no—
471C22×C4—284no—
472C22×C4—2832no—
473C22×C4—282no—
474C22×C4—284no—
475C22×C4C23×D711yescharacteristic
476C22×C4C23×D712yes—
477C22×C4C23×D712yes—
478C22×C4C23×D712yes—
479C22×C4C23×D711yescharacteristic
480C22×C4C23×D712yes—
481C22×C4C23×D712yes—
482C22×C4C23×D711yescharacteristic
483C4⋊C4—41no—
484C4⋊C4—41no—
485C4⋊C4—42no—
486C4⋊C4—284no—
487C4⋊C4—284no—
488C4⋊C4—282no—
489C4⋊C4—282no—
490C4⋊C4—282no—
491C22⋊C4—42no—
492C22⋊C4—44no—
493C22⋊C4—78no—
494C22⋊C4—716no—
495C22⋊C4—716no—
496C22⋊C4—716no—
497C22⋊C4—284no—
498C22⋊C4—284no—
499C22⋊C4—284no—
500C22⋊C4—284no—
501C22⋊C4—284no—
502C22⋊C4—284no—
503C22⋊C4—284no—
504C22⋊C4—282no—
505C22⋊C4C2×C4×D7116yescomplemented
506C42—22no—
507C42—24no—
508C42—24no—
509C42—41no—
510C42—42no—
511C42—78no—
512C42—148no—
513C42—282no—
514C42—284no—
515C42C2×C4×D714yescomplemented
516C2×C7—44no—
517C2×C7C4×H(5,𝔽2)11yescharacteristic
518C2×C7C4×H(5,𝔽2)12yes—
519C2×C7C2×H(3,𝔽4)11yescharacteristic
520C2×C7#352912yes—
521C2×C7#352911yescharacteristic
522D7—48no—
523C23—22no—
524C23—24no—
525C23—24no—
526C23—22no—
527C23—78no—
528C23—144no—
529C23—144no—
530C23—144no—
531C23—144no—
532C23—144no—
533C23—144no—
534C23—288no—
535C23—2816no—
536C23—288no—
537C23—2816no—
538C23—288no—
539C23C22×C4×D714yes—
540C23C24×D711yescharacteristic
541Q8—44no—
542Q8—288no—
543D4—44no—
544D4—288no—
545D4—288no—
546D4—2816no—
547C2×C4—21no—
548C2×C4—22no—
549C2×C4—22no—
550C2×C4—21no—
551C2×C4—22no—
552C2×C4—22no—
553C2×C4—21no—
554C2×C4—22no—
555C2×C4—22no—
556C2×C4—22no—
557C2×C4—24no—
558C2×C4—22no—
559C2×C4—22no—
560C2×C4—22no—
561C2×C4—24no—
562C2×C4—48no—
563C2×C4—78no—
564C2×C4—144no—
565C2×C4—144no—
566C2×C4—144no—
567C2×C4—144no—
568C2×C4—144no—
569C2×C4—144no—
570C2×C4—144no—
571C2×C4—144no—
572C2×C4—2816no—
573C2×C4—288no—
574C2×C4—2816no—
575C2×C4C22×C4×D714yes—
576C2×C4C22×C4×D712yes—
577C2×C4C22×C4×D714yes—
578C2×C4#654812yes—
579C2×C4#655314yes—
580C7C4×H(3,𝔽4)11yescharacteristic, complemented, Sylow
581C22—24no—
582C22—28no—
583C22—44no—
584C22—42no—
585C22—42no—
586C22—148no—
587C22—148no—
588C22—148no—
589C22—2832no—
590C22—284no—
591C22—284no—
592C22—284no—
593C22—284no—
594C22C23×C4×D711yescharacteristic
595C22C2×#654811yescharacteristic
596C22C2×#655312yes—
597C22#9061611yescharacteristic
598C22#9061612yes—
599C4—22no—
600C4—24no—
601C4—24no—
602C4—42no—
603C4—41no—
604C4—42no—
605C4—42no—
606C4—148no—
607C4—284no—
608C4—284no—
609C4#9037414yesdirect product factor
610C2—44no—
611C2—288no—
612C2C4×#654811yescharacteristic
613C2C4×#655312yes—
614C2C2×#9037411yescharacteristic
615C2#1174323912yes—
616C2#1174331611yescharacteristic
subgroupG/H
centerC22×C4C23×D7
commutatorC22×C7C24×C4
FrattiniC23C24×D7
FittingC4×C7×#124C2
socle, cosocleC23×C7C25
prime radicalC2×#90374C2
hypercenterC4×#124D7
hypocenterC7C4×H(3,𝔽4)
LCSG ▷ C22×C7 ▷ C7
UCSC1 ◁ C22×C4 ◁ C4×#124

Complements

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

NH ≅ G/Ntype
2. C4×C7×#124C2semidirect
3. #11740402C2semidirect
4. C4×#6510C2semidirect
5. C4×#6500C2semidirect
6. #11733941C2semidirect
7. #11733879C2semidirect
8. #11733285C2semidirect
9. #11732938C2semidirect
10. #11731675C2semidirect
11. C4×#6445C2semidirect
12. C4×#6448C2semidirect
13. C4×#6438C2semidirect
14. C23×C4×D7C22semidirect
16. C2×C4×C7×Q8C22semidirect
21. #90374C4direct (N × H)
27. C2×C4×Dic14C22semidirect
28. C7×#391C22semidirect
30. C7×#388C22semidirect
31. C7×#382C22semidirect
32. C4×C7×C22⋊C4C22semidirect
33. C43×C7C22semidirect
34. #90002C22semidirect
36. C4×C22⋊Dic7C22semidirect
37. #89762C22semidirect
38. #89762C22semidirect
39. #89761C22semidirect
41. #89749C22semidirect
45. #89727C22semidirect
46. #89727C22semidirect
47. #89723C22semidirect
48. #89722C22semidirect
49. #89718C22semidirect
50. #89716C22semidirect
51. #89712C22semidirect
52. #89712C22semidirect
54. C4×(C2×D7)⋊C4C22semidirect
55. C4×(C2×D7)⋊C4C22semidirect
56. C4×(C2×D7)⋊C4C22semidirect
57. #89708C22semidirect
58. C42×Dic7C22semidirect
59. #89701C22semidirect
60. #89442C22semidirect
61. #89441C22semidirect
62. #89440C22semidirect
63. #89440C22semidirect
66. #89422C22semidirect
67. #89418C22semidirect
82. C7×#124C2×C4semidirect
100. #6510C2×C4semidirect
101. #6500C2×C4semidirect
121. #6448C2×C4semidirect
122. #6445C2×C4semidirect
123. #6438C2×C4semidirect
146. C4×#124D7semidirect
154. C23×D7C22×C4semidirect
158. C2×C7×Q8C22×C4semidirect
195. C2×Dic14C22×C4semidirect
201. C7×C22⋊C4C22×C4semidirect
207. C42×C7C22×C4semidirect
210. C22⋊Dic7C22×C4semidirect
217. (C2×D7)⋊C4C22×C4semidirect
218. (C2×D7)⋊C4C22×C4semidirect
219. (C2×D7)⋊C4C22×C4semidirect
228. C4×Dic7C22×C4semidirect
238. C2×C4×Q8C2×D7semidirect
246. #391C2×D7semidirect
259. #388C2×D7semidirect
273. #382C2×D7semidirect
280. C4×C22⋊C4C2×D7semidirect
282. C43C2×D7semidirect
356. #124C4×D7semidirect
432. C4×C7H(3,𝔽4)semidirect
448. C2×Q8C2×C4×D7semidirect
505. C22⋊C4C2×C4×D7semidirect
515. C42C2×C4×D7semidirect
580. C7C4×H(3,𝔽4)semidirect
609. C4#90374direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#903742
C4×C7×#1242
#117404022
C4×#65102
C4×#65002
#117339412
#117338792
#117332852
#117329382
#117316752
C4×#64452
C4×#64482
C4×#64382
C4×H(3,𝔽4)7