Finite Group Databasebeta

← C31×#21781 #21478540

Subgroups — C31×#21781 #21478540

Order 7936.

1258 conjugacy classes of subgroups.

The subgroup lattice has 318 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C31×#3487C211yesmaximal, characteristic
2C31×#2889C212yesmaximal, complemented
3C31×#1914C214yesmaximal, complemented
4C31×#1891C214yesmaximal, complemented
5C31×#1830C212yesmaximal, complemented
6C31×#1785C212yesmaximal, complemented
7C2×C31×2−1+4C2211yescharacteristic
8C22×#41×C31C2211yescharacteristic
9C31×#568C2214yes—
10C31×#550—24no—
11C31×#548—24no—
12C31×#535C414yes—
13C31×#535C2212yes—
14C31×#525C414yes—
15C31×#525C2212yes—
16C31×#519C2211yescharacteristic
17C31×#413—24no—
18C31×#413C2214yes—
19C2×C31×#101—24no—
20C2×C31×#101C2214yes—
21C2×C31×#100C2214yes—
22C31×#407C2214yes—
23C31×#344C2218yes—
24C31×2−1+4—44no—
25C2×#41×C31—24no—
26C2×#41×C31—44no—
27C2×#41×C31C2×C414yes—
28C2×#41×C31D414yes—
29C2×#41×C31C2312yes—
30C22×Q8×C31D414yes—
31C22×Q8×C31C2311yescharacteristic
32C22×D4×C31C2×C412yes—
33C22×D4×C31C2311yescharacteristic
34C23×C4×C31C2×C412yes—
35C23×C4×C31C2311yescharacteristic
36C31×#131—48no—
37C2×M16×C31—28no—
38C2×M16×C31C2318yes—
39C31×#127—24no—
40C31×#127—22no—
41C31×#124—24no—
42C31×#124—22no—
43C31×#123C2×C414yes—
44C31×C22⋊Q8—24no—
45C31×C22⋊Q8—22no—
46C31×#121—24no—
47C31×#121—22no—
48C31×#121—28no—
49C31×#121—24no—
50C31×#120C2×C418yes—
51C31×#120C2×C414yes—
52C4×Q8×C31—24no—
53C4×D4×C31—28no—
54C4×D4×C31—24no—
55C31×#117C2×C414yes—
56C31×#117C2312yes—
57C31×#101—24no—
58C31×#101—28no—
59C31×#100—24no—
60C31×#100—44no—
61C31×C22⋊C8—44no—
62C24×C31C22×C412yes—
63C24×C31C22×C411yescharacteristic
64#41×C31—28no—
65#41×C31—48no—
66#41×C31—48no—
67#41×C31—416no—
68C2×Q8×C31—24no—
69C2×Q8×C31—48no—
70C2×Q8×C31C22⋊C414yes—
71C2×Q8×C31C2×D414yes—
72C2×Q8×C31C2×D412yes—
73C2×D4×C31—28no—
74C2×D4×C31—24no—
75C2×D4×C31—24no—
76C2×D4×C31—22no—
77C2×D4×C31—24no—
78C2×D4×C31—44no—
79C2×D4×C31C22⋊C414yes—
80C2×D4×C31C22×C414yes—
81C2×D4×C31C2×D412yes—
82C22×C4×C31—24no—
83C22×C4×C31—22no—
84C22×C4×C31—24no—
85C22×C4×C31—44no—
86C22×C4×C31C22⋊C418yes—
87C22×C4×C31C22×C411yescharacteristic
88C22×C4×C31C22×C412yes—
89C22×C4×C31C2×D414yes—
90C22×C4×C31C2411yescharacteristic
91M16×C31—28no—
92M16×C31—28no—
93M16×C31—48no—
94C2×C8×C31—28no—
95C2×C8×C31—48no—
96C4⋊C4×C31—24no—
97C4⋊C4×C31—24no—
98C4⋊C4×C31—22no—
99C22⋊C4×C31—24no—
100C22⋊C4×C31—28no—
101C22⋊C4×C31—24no—
102C22⋊C4×C31C22×C414yes—
103C42×C31—24no—
104C42×C31—22no—
105#21781C3111yesmaximal, characteristic, direct product factor, Sylow
106C23×C31—22no—
107C23×C31—21no—
108C23×C31—22no—
109C23×C31—24no—
110C23×C31—81no—
111C23×C31—82no—
112C23×C31C2×C22⋊C414yes—
113C23×C31C23×C411yescharacteristic
114Q8×C31—28no—
115Q8×C31—24no—
116Q8×C31—44no—
117D4×C31—28no—
118D4×C31—24no—
119D4×C31—44no—
120D4×C31—48no—
121D4×C31—44no—
122D4×C31—84no—
123D4×C31—88no—
124C2×C4×C31—24no—
125C2×C4×C31—28no—
126C2×C4×C31—24no—
127C2×C4×C31—21no—
128C2×C4×C31—22no—
129C2×C4×C31—48no—
130C2×C4×C31—48no—
131C2×C4×C31—44no—
132C2×C4×C31C2×C22⋊C414yes—
133C2×C4×C31C2×C22⋊C414yes—
134C2×C4×C31C22×D412yes—
135C2×C4×C31H(5,𝔽2)14yes—
136C8×C31—48no—
137#3487C2×C3111yescharacteristic
138#2889C2×C3112yescomplemented
139#1914C2×C3114yescomplemented
140#1891C2×C3114yescomplemented
141#1830C2×C3112yescomplemented
142#1785C2×C3112yescomplemented
143C22×C31—24no—
144C22×C31—41no—
145C22×C31—44no—
146C22×C31—42no—
147C22×C31—44no—
148C22×C31—44no—
149C22×C31—41no—
150C22×C31—42no—
151C22×C31—84no—
152C22×C31C22×C22⋊C411yescharacteristic
153C22×C31#51812yes—
154C4×C31—24no—
155C4×C31—24no—
156C4×C31—44no—
157C4×C31—41no—
158C4×C31#53414yes—
159C2×2−1+4C22×C3111yescharacteristic
160C22×#41C22×C3111yescharacteristic
161#568C22×C3114yes—
162#550—24no—
163#548—24no—
164#535C4×C3114yes—
165#535C22×C3112yes—
166#525C4×C3114yes—
167#525C22×C3112yes—
168#519C22×C3111yescharacteristic
169#413—24no—
170#413C22×C3114yes—
171C2×#101—24no—
172C2×#101C22×C3114yes—
173C2×#100C22×C3114yes—
174#407C22×C3114yes—
175#344C22×C3118yes—
176C2×C31—21no—
177C2×C31—22no—
178C2×C31—44no—
179C2×C31—81no—
180C2×C31—82no—
181C2×C31#230811yescharacteristic
1822−1+4—44no—
183C2×#41—24no—
184C2×#41—44no—
185C2×#41C2×C4×C3114yes—
186C2×#41D4×C3114yes—
187C2×#41C23×C3112yes—
188C22×Q8D4×C3114yes—
189C22×Q8C23×C3111yescharacteristic
190C22×D4C2×C4×C3112yes—
191C22×D4C23×C3111yescharacteristic
192C23×C4C2×C4×C3112yes—
193C23×C4C23×C3111yescharacteristic
194#131—48no—
195C2×M16—28no—
196C2×M16C23×C3118yes—
197#127—24no—
198#127—22no—
199#124—24no—
200#124—22no—
201#123C2×C4×C3114yes—
202C22⋊Q8—24no—
203C22⋊Q8—22no—
204#121—24no—
205#121—22no—
206#121—28no—
207#121—24no—
208#120C2×C4×C3118yes—
209#120C2×C4×C3114yes—
210C4×Q8—24no—
211C4×D4—28no—
212C4×D4—24no—
213#117C2×C4×C3114yes—
214#117C23×C3112yes—
215#101—24no—
216#101—28no—
217#100—24no—
218#100—44no—
219C22⋊C8—44no—
220C31#2178111yescharacteristic, direct product factor, Sylow
221C24C22×C4×C3112yes—
222C24C22×C4×C3111yescharacteristic
223#41—28no—
224#41—48no—
225#41—48no—
226#41—416no—
227C2×Q8—24no—
228C2×Q8—48no—
229C2×Q8C22⋊C4×C3114yes—
230C2×Q8C2×D4×C3114yes—
231C2×Q8C2×D4×C3112yes—
232C2×D4—28no—
233C2×D4—24no—
234C2×D4—24no—
235C2×D4—22no—
236C2×D4—24no—
237C2×D4—44no—
238C2×D4C22⋊C4×C3114yes—
239C2×D4C22×C4×C3114yes—
240C2×D4C2×D4×C3112yes—
241C22×C4—24no—
242C22×C4—22no—
243C22×C4—24no—
244C22×C4—44no—
245C22×C4C22⋊C4×C3118yes—
246C22×C4C22×C4×C3111yescharacteristic
247C22×C4C22×C4×C3112yes—
248C22×C4C2×D4×C3114yes—
249C22×C4C24×C3111yescharacteristic
250M16—28no—
251M16—28no—
252M16—48no—
253C2×C8—28no—
254C2×C8—48no—
255C4⋊C4—24no—
256C4⋊C4—24no—
257C4⋊C4—22no—
258C22⋊C4—24no—
259C22⋊C4—28no—
260C22⋊C4—24no—
261C22⋊C4C22×C4×C3114yes—
262C42—24no—
263C42—22no—
264C23—22no—
265C23—21no—
266C23—22no—
267C23—24no—
268C23—81no—
269C23—82no—
270C23C2×C22⋊C4×C3114yes—
271C23C23×C4×C3111yescharacteristic
272Q8—28no—
273Q8—24no—
274Q8—44no—
275D4—28no—
276D4—24no—
277D4—44no—
278D4—48no—
279D4—44no—
280D4—84no—
281D4—88no—
282C2×C4—24no—
283C2×C4—28no—
284C2×C4—24no—
285C2×C4—21no—
286C2×C4—22no—
287C2×C4—48no—
288C2×C4—48no—
289C2×C4—44no—
290C2×C4C2×C22⋊C4×C3114yes—
291C2×C4C2×C22⋊C4×C3114yes—
292C2×C4C22×D4×C3112yes—
293C2×C4C31×H(5,𝔽2)14yes—
294C8—48no—
295C22—24no—
296C22—41no—
297C22—44no—
298C22—42no—
299C22—44no—
300C22—44no—
301C22—41no—
302C22—42no—
303C22—84no—
304C22C22×C22⋊C4×C3111yescharacteristic
305C22C31×#51812yes—
306C4—24no—
307C4—24no—
308C4—44no—
309C4—41no—
310C4C31×#53414yes—
311C2—21no—
312C2—22no—
313C2—44no—
314C2—81no—
315C2—82no—
316C2C31×#230811yescharacteristic
subgroupG/H
center, socleC2×C31#2308
commutatorC23C23×C4×C31
Frattini, cosocleC22×C4C24×C31
prime radicalC31×#3487C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C31 ◁ C22×C4×C31 ◁ G

Complements

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

NH ≅ G/Ntype
2. C31×#2889C2semidirect
3. C31×#1914C2semidirect
4. C31×#1891C2semidirect
5. C31×#1830C2semidirect
6. C31×#1785C2semidirect
105. #21781C31direct (N × H)
138. #2889C2×C31semidirect
139. #1914C2×C31semidirect
140. #1891C2×C31semidirect
141. #1830C2×C31semidirect
142. #1785C2×C31semidirect
220. C31#21781direct (N × H)

Maximal subgroups

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

subgroupindex
C31×#34872
C31×#28892
C31×#19142
C31×#18912
C31×#18302
C31×#17852
#2178131