Finite Group Databasebeta

← C31×#8819 #21465578

Subgroups — C31×#8819 #21465578

Order 7936.

438 conjugacy classes of subgroups.

The subgroup lattice has 180 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C31×#1845C211yesmaximal, characteristic
2C31×#1844C212yesmaximal
3C31×#1844C211yesmaximal, characteristic
4C31×#1834C212yesmaximal
5C2×C31×#322C211yesmaximal, characteristic
6C2×C31×#107—22no—
7C2×C31×#106—24no—
8C2×C31×#106—22no—
9C2×C4×C8×C31C2212yes—
10C2×C4×C8×C31C2211yescharacteristic
11C31×#384C2211yescharacteristic
12C31×#384C2212yes—
13C31×#384C2211yescharacteristic
14C31×#340—24no—
15C31×#322C414yescomplemented
16C22×C8×C31D414yes—
17C22×C8×C31D412yes—
18C2×C4⋊C4×C31—22no—
19C2×C4⋊C4×C31—22no—
20C2×C4⋊C4×C31—22no—
21C2×C4⋊C4×C31—21no—
22C2×C4⋊C4×C31—21no—
23C2×C4⋊C4×C31—22no—
24C2×C4⋊C4×C31—22no—
25C2×C42×C31C2311yescharacteristic
26C31×#107—44no—
27C31×#106—48no—
28C31×#106—44no—
29C4×C8×C31C2×C414yes—
30C4×C8×C31C2×C412yes—
31C4×C8×C31Q814yes—
32C4×C8×C31Q812yes—
33C22×C4×C31—41no—
34C22×C4×C31—41no—
35C22×C4×C31—42no—
36C22×C4×C31C2×D411yescharacteristic
37C22×C4×C31C2×D412yes—
38C2×C8×C31—24no—
39C2×C8×C31—24no—
40C2×C8×C31C4⋊C418yes—
41C2×C8×C31C4⋊C414yes—
42C2×C8×C31SD1614yes—
43C2×C8×C31SD1614yes—
44C4⋊C4×C31—44no—
45C4⋊C4×C31—42no—
46C4⋊C4×C31—42no—
47C4⋊C4×C31—44no—
48C4⋊C4×C31—44no—
49C4⋊C4×C31—44no—
50C4⋊C4×C31—44no—
51C42×C31C22×C411yescharacteristic
52C42×C31C2×Q811yescharacteristic
53C42×C31C2×Q812yes—
54#8819C3111yesmaximal, characteristic, direct product factor, Sylow
55C23×C31#12711yescharacteristic
56C2×C4×C31—82no—
57C2×C4×C31—81no—
58C2×C4×C31—81no—
59C2×C4×C31—82no—
60C2×C4×C31—82no—
61C2×C4×C31—82no—
62C2×C4×C31—82no—
63C2×C4×C31C2×C4⋊C411yescharacteristic
64C2×C4×C31C2×C4⋊C412yes—
65C2×C4×C31C4⋊Q811yescharacteristic
66C2×C4×C31C4⋊Q812yes—
67C2×C4×C31C2×SD1612yes—
68C2×C4×C31C2×SD1612yes—
69C2×C4×C31AGL(1,ℤ/8)14yes—
70C2×C4×C31#13714yes—
71C8×C31—28no—
72C8×C31#10618yescomplemented
73#1845C2×C3111yescharacteristic
74#1844C2×C3111yescharacteristic
75#1844C2×C3112yes—
76#1834C2×C3112yes—
77C2×#322C2×C3111yescharacteristic
78C22×C31#38411yescharacteristic
79C22×C31#49211yescharacteristic
80C22×C31#49211yescharacteristic
81C22×C31#49612yes—
82C22×C31#49712yes—
83C4×C31—162no—
84C4×C31—161no—
85C4×C31—161no—
86C4×C31C2×#10612yes—
87C4×C31#42814yes—
88C4×C31#49812yes—
89C4×C31#50114yes—
90C2×#107—22no—
91C2×#106—24no—
92C2×#106—22no—
93C2×C4×C8C22×C3112yes—
94C2×C4×C8C22×C3111yescharacteristic
95#384C22×C3111yescharacteristic
96#384C22×C3112yes—
97#384C22×C3111yescharacteristic
98#340—24no—
99#322C4×C3114yescomplemented
100C2×C31#171412yes—
101C2×C31#171511yescharacteristic
102C2×C31#171611yescharacteristic
103C2×C31#184411yescharacteristic
104C2×C31#184712yes—
105C22×C8D4×C3114yes—
106C22×C8D4×C3112yes—
107C2×C4⋊C4—22no—
108C2×C4⋊C4—22no—
109C2×C4⋊C4—22no—
110C2×C4⋊C4—22no—
111C2×C4⋊C4—22no—
112C2×C4⋊C4—21no—
113C2×C4⋊C4—21no—
114C2×C42C23×C3111yescharacteristic
115#107—44no—
116#106—48no—
117#106—44no—
118C4×C8C2×C4×C3114yes—
119C4×C8C2×C4×C3112yes—
120C4×C8Q8×C3114yes—
121C4×C8Q8×C3112yes—
122C31#881911yescharacteristic, direct product factor, Sylow
123C22×C4—41no—
124C22×C4—41no—
125C22×C4—42no—
126C22×C4C2×D4×C3111yescharacteristic
127C22×C4C2×D4×C3112yes—
128C2×C8—24no—
129C2×C8—24no—
130C2×C8C4⋊C4×C3118yes—
131C2×C8C4⋊C4×C3114yes—
132C2×C8SD16×C3114yes—
133C2×C8SD16×C3114yes—
134C4⋊C4—44no—
135C4⋊C4—42no—
136C4⋊C4—42no—
137C4⋊C4—44no—
138C4⋊C4—44no—
139C4⋊C4—44no—
140C4⋊C4—44no—
141C42C22×C4×C3111yescharacteristic
142C42C2×Q8×C3111yescharacteristic
143C42C2×Q8×C3112yes—
144C23C31×#12711yescharacteristic
145C2×C4—82no—
146C2×C4—81no—
147C2×C4—81no—
148C2×C4—82no—
149C2×C4—82no—
150C2×C4—82no—
151C2×C4—82no—
152C2×C4C2×C4⋊C4×C3111yescharacteristic
153C2×C4C2×C4⋊C4×C3112yes—
154C2×C4C31×C4⋊Q811yescharacteristic
155C2×C4C31×C4⋊Q812yes—
156C2×C4C2×SD16×C3112yes—
157C2×C4C2×SD16×C3112yes—
158C2×C4C31×AGL(1,ℤ/8)14yes—
159C2×C4C31×#13714yes—
160C8—28no—
161C8C31×#10618yescomplemented
162C22C31×#38411yescharacteristic
163C22C31×#49211yescharacteristic
164C22C31×#49211yescharacteristic
165C22C31×#49612yes—
166C22C31×#49712yes—
167C4—162no—
168C4—161no—
169C4—161no—
170C4C2×C31×#10612yes—
171C4C31×#42814yes—
172C4C31×#49812yes—
173C4C31×#50114yes—
174C2C31×#171412yes—
175C2C31×#171511yescharacteristic
176C2C31×#171611yescharacteristic
177C2C31×#184411yescharacteristic
178C2C31×#184712yes—
subgroupG/H
center, socle, prime radicalC23×C31#127
commutatorC42C22×C4×C31
Frattini, cosocleC2×C42C23×C31
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C31 ◁ C2×C42×C31 ◁ G

Complements

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

NH ≅ G/Ntype
15. C31×#322C4semidirect
54. #8819C31direct (N × H)
72. C8×C31#106semidirect
99. #322C4×C31semidirect
122. C31#8819direct (N × H)
161. C8C31×#106semidirect

Maximal subgroups

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

subgroupindex
C31×#18452
C31×#18442
C31×#18342
C2×C31×#3222
#881931