Finite Group Databasebeta

#34115939

order20096
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

Fitting#106×C157 ⋊ C4
SylowC157 ⋊ #1772

Subgroups

subgroupG/H
centerC22D4×#10597845
commutatorC4×C157C2×C42
FrattiniC2×C4C22×#10597845
Fitting#106×C157C4
socleC22×C157C4×D4
prime radicalC22×D157#41
cosocleC2×C4×D157C23
hypercenter#106#10597845
hypocenterC157#1772
LCSG ▷ C4×C157 ▷ C2×C157 ▷ C157
UCSC1 ◁ C22 ◁ C2×C4 ◁ #106

232 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 232 conjugacy classes of subgroups — too many to draw. Only its 90 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 177
transitive degreeμt(G) = 5024

A minimal faithful permutation representation — 3 generators on 177 points:

(1,2,7,3)(4,11,14,8)(5,16,12,6)(9,24,23,17)(10,29,25,15)(13,20,27,21)(18,41,36,30)(19,46,42,28)(22,37,40,34)(26,33,44,38)(31,62,53,47)(32,67,63,45)(35,58,57,51)(39,54,61,55)(43,50,65,59)(48,87,74,68)(49,92,88,66)(52,83,78,72)(56,79,82,76)(60,75,86,80)(64,71,90,84)(69,116,99,93)(70,121,117,91)(73,112,103,97)(77,108,107,101)(81,104,111,105)(85,100,115,109)(89,96,119,113)(94,142,128,122)(95,147,143,120)(98,140,132,126)(102,138,135,130)(106,136,131,134)(110,133,127,137)(114,129,123,139)(118,125,145,141)(124,149,152,146)(144,148,154,150)(151,155,156,153)(162,164,165,170,166,171,173,177)(163,168,172,176,169,175,167,174);(158,159,160,161)(162,163)(164,168)(165,172)(166,169)(167,173)(170,176)(171,175)(174,177);(2,3,4,6)(5,8,9,15)(7,12,13,11)(10,17,18,28)(14,21,22,24)(16,25,26,20)(19,30,31,45)(23,34,35,41)(27,38,39,37)(29,42,43,33)(32,47,48,66)(36,51,52,62)(40,55,56,58)(44,59,60,54)(46,63,64,50)(49,68,69,91)(53,72,73,87)(57,76,77,83)(61,80,81,79)(65,84,85,75)(67,88,89,71)(70,93,94,120)(74,97,98,116)(78,101,102,112)(82,105,106,108)(86,109,110,104)(90,113,114,100)(92,117,118,96)(95,122,123,146)(99,126,127,142)(103,130,131,140)(107,134,135,138)(111,137,132,136)(115,139,128,133)(119,141,124,129)(121,143,144,125)(145,150,151,149)(147,152,153,148)(154,156,157,155)(163,167,169,172)(168,174,175,176)

Polycyclic presentation:

2^7,157|a^2=e,b^2=f,c^2=de,d^2=g,b^a=bd,h^a=h^129,d^b=dg,e^b=eg,h^c=h^129,h^e=h^156

Conjugacy classes & character table

602 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20096, 20313);