Finite Group Databasebeta

#34115734

order20096
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC157 ⋊ #1580

Subgroups

subgroupG/H
centerC22D4×#10597845
commutatorC4×C157C22×C8
FrattiniC2×C4C22×#10597845
Fitting#107×C157C4
socleC22×C157C4×D4
prime radicalC2×D1256C4
cosocleC4×Dic157C23
hypercenter#107#10597845
hypocenterC157#1580
LCSG ▷ C4×C157 ▷ C2×C157 ▷ C157
UCSC1 ◁ C22 ◁ C2×C4 ◁ #107

192 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 192 conjugacy classes of subgroups — too many to draw. Only its 64 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) = 173
transitive degreeμt(G) = 10048

A minimal faithful permutation representation — 3 generators on 173 points:

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

Polycyclic presentation:

2^7,157|a^2=e,c^2=ef,d^2=f,e^2=g,b^a=bd,c^a=cf,d^a=df,h^a=h^28,d^b=df,h^b=h^156,h^c=h^129,h^e=h^156

Conjugacy classes & character table

590 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20096, 20108);