Finite Group Databasebeta

← C19×#20505 #18026464

Subgroups — C19×#20505 #18026464

Order 4864.

1054 conjugacy classes of subgroups.

The subgroup lattice has 278 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C19×#441C212yesmaximal
2C2×C4×Q16×C19C211yesmaximal, characteristic
3C19×#2276C212yesmaximal
4C19×#1776C212yesmaximal
5C4×C19×#106C211yesmaximal, characteristic
6C19×#1763C212yesmaximal
7C4×C19×#103C214yesmaximal
8C19×#1726C211yesmaximal, characteristic
9C22×Q16×C19C2211yescharacteristic
10C2×C4×Q8×C19C2212yes—
11C2×C4×Q8×C19C2214yes—
12C19×#441C4116yescomplemented
13C4×Q16×C19C418yescomplemented
14C2×C19×#107C2211yescharacteristic
15C2×C19×#106C2212yes—
16C2×C19×#103C2212yes—
17C2×C19×#103C2214yes—
18C2×C19×#97C2211yescharacteristic
19C2×C19×#97C2212yes—
20C2×C4×C8×C19C2212yes—
21C2×C4×C8×C19C2211yescharacteristic
22C4×C4⋊C4×C19—22no—
23C4×C4⋊C4×C19—24no—
24C4×C4⋊C4×C19C2214yes—
25C4×C4⋊C4×C19C2212yes—
26C19×#376—22no—
27C19×#376C2211yescharacteristic
28C19×#340C2212yes—
29C19×#340C2214yes—
30C22×Q8×C19C2312yes—
31C2×Q16×C19C2×C414yes—
32C2×Q16×C19C2×C418yes—
33C22×C8×C19C2311yescharacteristic
34C22×C8×C19C2312yes—
35C22×C8×C19C2311yescharacteristic
36C4×Q8×C19—28no—
37C4×Q8×C19—24no—
38C4×Q8×C19C2×C418yes—
39C4×Q8×C19C2×C4116yes—
40C2×C4⋊C4×C19—22no—
41C2×C4⋊C4×C19—24no—
42C2×C4⋊C4×C19C2314yes—
43C2×C4⋊C4×C19C2312yes—
44C2×C42×C19—24no—
45C2×C42×C19—22no—
46C2×C42×C19—22no—
47C2×C42×C19—24no—
48C2×C42×C19C2311yescharacteristic
49C2×C42×C19C2312yes—
50C19×#107C2×C414yes—
51C19×#106C2×C418yes—
52C19×#103C2×C418yes—
53C19×#103C2×C4116yes—
54C19×#97—22no—
55C19×#97C2×C418yes—
56C4×C8×C19—24no—
57C4×C8×C19C2×C414yes—
58C19×#95—24no—
59C19×#95—22no—
60C19×#95D412yes—
61C19×#95D412yes—
62C2×Q8×C19—24no—
63C2×Q8×C19—22no—
64C2×Q8×C19C22×C414yes—
65C2×Q8×C19C22×C418yes—
66C22×C4×C19—22no—
67C22×C4×C19—22no—
68C22×C4×C19—24no—
69C22×C4×C19C2×D411yescharacteristic
70C22×C4×C19C2×D414yes—
71C22×C4×C19C2×D411yescharacteristic
72C22×C4×C19C2411yescharacteristic
73Q16×C19C42116yescomplemented
74C2×C8×C19—22no—
75C2×C8×C19—22no—
76C2×C8×C19—22no—
77C2×C8×C19C22×C412yes—
78C2×C8×C19C22×C414yes—
79C2×C8×C19C22×C412yes—
80C2×C8×C19C22×C414yes—
81C4⋊C4×C19—216no—
82C4⋊C4×C19—28no—
83C4⋊C4×C19—24no—
84C4⋊C4×C19—22no—
85C4⋊C4×C19C22×C418yes—
86C4⋊C4×C19C22×C414yes—
87C42×C19—28no—
88C42×C19—216no—
89C42×C19—84no—
90C42×C19—82no—
91C42×C19C22×C412yes—
92C42×C19C22×C414yes—
93C42×C19#4114yes—
94C42×C19#4112yes—
95#20505C1911yesmaximal, characteristic, direct product factor, Sylow
96C23×C19C22×D411yescharacteristic
97Q8×C19—24no—
98Q8×C19—28no—
99Q8×C19C2×C4218yes—
100C2×C4×C19—28no—
101C2×C4×C19—24no—
102C2×C4×C19—24no—
103C2×C4×C19—22no—
104C2×C4×C19—24no—
105C2×C4×C19—22no—
106C2×C4×C19—28no—
107C2×C4×C19—24no—
108C2×C4×C19—44no—
109C2×C4×C19—42no—
110C2×C4×C19—42no—
111C2×C4×C19—44no—
112C2×C4×C19C4×D412yes—
113C2×C4×C19C4×D418yes—
114C2×C4×C19C4×D412yes—
115C2×C4×C19C23×C412yes—
116C2×C4×C19C23×C411yescharacteristic
117C2×C4×C19C2×#4112yes—
118C2×C4×C19C2×#4111yescharacteristic
119C8×C19—22no—
120C8×C19—24no—
121C8×C19C2×C4214yes—
122C2×#441C2×C1912yes—
123C2×C4×Q16C2×C1911yescharacteristic
124#2276C2×C1912yes—
125#1776C2×C1912yes—
126C4×#106C2×C1911yescharacteristic
127#1763C2×C1912yes—
128C4×#103C2×C1914yes—
129#1726C2×C1911yescharacteristic
130C22×C19C2×C4×D412yes—
131C22×C19C2×C4×D411yescharacteristic
132C22×C19#57712yes—
133C22×C19#57812yes—
134C4×C19—28no—
135C4×C19—22no—
136C4×C19—22no—
137C4×C19—28no—
138C4×C19—48no—
139C4×C19—44no—
140C4×C19C22×C4211yescharacteristic
141C4×C19C4×#4111yescharacteristic
142C4×C19C4×#4112yes—
143C22×Q16C22×C1911yescharacteristic
144C2×C4×Q8C22×C1912yes—
145C2×C4×Q8C22×C1914yes—
146#441C4×C19116yescomplemented
147C4×Q16C4×C1918yescomplemented
148C2×#107C22×C1911yescharacteristic
149C2×#106C22×C1912yes—
150C2×#103C22×C1912yes—
151C2×#103C22×C1914yes—
152C2×#97C22×C1911yescharacteristic
153C2×#97C22×C1912yes—
154C2×C4×C8C22×C1912yes—
155C2×C4×C8C22×C1911yescharacteristic
156C4×C4⋊C4—22no—
157C4×C4⋊C4—24no—
158C4×C4⋊C4C22×C1914yes—
159C4×C4⋊C4C22×C1912yes—
160#376—22no—
161#376C22×C1911yescharacteristic
162#340C22×C1912yes—
163#340C22×C1914yes—
164C2×C19C42×D411yescharacteristic
165C2×C19#294714yes—
166C2×C19#295011yescharacteristic
167C2×C19#295211yescharacteristic
168C22×Q8C23×C1912yes—
169C2×Q16C2×C4×C1914yes—
170C2×Q16C2×C4×C1918yes—
171C22×C8C23×C1911yescharacteristic
172C22×C8C23×C1912yes—
173C22×C8C23×C1911yescharacteristic
174C4×Q8—28no—
175C4×Q8—24no—
176C4×Q8C2×C4×C1918yes—
177C4×Q8C2×C4×C19116yes—
178C2×C4⋊C4—24no—
179C2×C4⋊C4—22no—
180C2×C4⋊C4C23×C1914yes—
181C2×C4⋊C4C23×C1912yes—
182C2×C42—22no—
183C2×C42—24no—
184C2×C42—24no—
185C2×C42—22no—
186C2×C42C23×C1911yescharacteristic
187C2×C42C23×C1912yes—
188#107C2×C4×C1914yes—
189#106C2×C4×C1918yes—
190#103C2×C4×C1918yes—
191#103C2×C4×C19116yes—
192#97—22no—
193#97C2×C4×C1918yes—
194C4×C8—24no—
195C4×C8C2×C4×C1914yes—
196#95—22no—
197#95—24no—
198#95D4×C1912yes—
199#95D4×C1912yes—
200C19#2050511yescharacteristic, direct product factor, Sylow
201C2×Q8—24no—
202C2×Q8—22no—
203C2×Q8C22×C4×C1914yes—
204C2×Q8C22×C4×C1918yes—
205C22×C4—22no—
206C22×C4—22no—
207C22×C4—24no—
208C22×C4C2×D4×C1911yescharacteristic
209C22×C4C2×D4×C1914yes—
210C22×C4C2×D4×C1911yescharacteristic
211C22×C4C24×C1911yescharacteristic
212Q16C42×C19116yescomplemented
213C2×C8—22no—
214C2×C8—22no—
215C2×C8—22no—
216C2×C8C22×C4×C1912yes—
217C2×C8C22×C4×C1914yes—
218C2×C8C22×C4×C1912yes—
219C2×C8C22×C4×C1914yes—
220C4⋊C4—216no—
221C4⋊C4—28no—
222C4⋊C4—24no—
223C4⋊C4—22no—
224C4⋊C4C22×C4×C1918yes—
225C4⋊C4C22×C4×C1914yes—
226C42—28no—
227C42—216no—
228C42—84no—
229C42—82no—
230C42C22×C4×C1912yes—
231C42C22×C4×C1914yes—
232C42#41×C1914yes—
233C42#41×C1912yes—
234C23C22×D4×C1911yescharacteristic
235Q8—24no—
236Q8—28no—
237Q8C2×C42×C1918yes—
238C2×C4—28no—
239C2×C4—24no—
240C2×C4—24no—
241C2×C4—22no—
242C2×C4—24no—
243C2×C4—22no—
244C2×C4—28no—
245C2×C4—24no—
246C2×C4—44no—
247C2×C4—42no—
248C2×C4—42no—
249C2×C4—44no—
250C2×C4C4×D4×C1912yes—
251C2×C4C4×D4×C1918yes—
252C2×C4C4×D4×C1912yes—
253C2×C4C23×C4×C1912yes—
254C2×C4C23×C4×C1911yescharacteristic
255C2×C4C2×#41×C1912yes—
256C2×C4C2×#41×C1911yescharacteristic
257C8—22no—
258C8—24no—
259C8C2×C42×C1914yes—
260C22C2×C4×D4×C1912yes—
261C22C2×C4×D4×C1911yescharacteristic
262C22C19×#57712yes—
263C22C19×#57812yes—
264C4—28no—
265C4—22no—
266C4—22no—
267C4—28no—
268C4—48no—
269C4—44no—
270C4C22×C42×C1911yescharacteristic
271C4C4×#41×C1911yescharacteristic
272C4C4×#41×C1912yes—
273C2C42×D4×C1911yescharacteristic
274C2C19×#294714yes—
275C2C19×#295011yescharacteristic
276C2C19×#295211yescharacteristic
subgroupG/H
center, socle, prime radicalC23×C19C22×D4
commutatorC4C22×C42×C19
Frattini, cosocleC22×C4C24×C19
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C19 ◁ C19×#376 ◁ G

Complements

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

NH ≅ G/Ntype
12. C19×#441C4semidirect
13. C4×Q16×C19C4semidirect
73. Q16×C19C42semidirect
95. #20505C19direct (N × H)
146. #441C4×C19semidirect
147. C4×Q16C4×C19semidirect
200. C19#20505direct (N × H)
212. Q16C42×C19semidirect

Maximal subgroups

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

subgroupindex
C2×C19×#4412
C2×C4×Q16×C192
C19×#22762
C19×#17762
C4×C19×#1062
C19×#17632
C4×C19×#1032
C19×#17262
#2050519