Finite Group Databasebeta

#34115154

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

Aliases

No aliases for this group.

Splittings

SylowC157 ⋊ #1364

Subgroups

subgroupG/H
centerC22#19097833
commutatorC2×C8×C157C2×C4
FrattiniC2×C8C2×#10597845
Fitting#107×C157C4
socle, prime radicalC22×C157#102
cosocleC8×Dic157C22
hypercenter#107#10597845
hypocenterC157#1364
LCSG ▷ C2×C8×C157 ▷ C2×C4×C157 ▷ C2×C157 ▷ C157
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ #107

86 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 181
transitive degreeμt(G) = 20096

A minimal faithful permutation representation — 2 generators on 181 points:

(1,2,5,10,19,32,49,70,95,124,118,91,116,140,134,101,72,47,67,90,115,127,98,73,52,35,22,13,6,11,20,33,50,71,96,125,148,151,144,120,142,137,105,76,51,30,46,65,86,111,131,102,77,56,39,26,15,24,37,54,75,100,129,149,155,157,153,146,139,109,80,55,34,17,29,44,61,82,107,135,106,81,60,43,28,41,58,79,104,133,122,147,154,156,150,141,113,84,59,38,21,8,16,27,40,57,78,103,132,110,85,64,45,62,83,108,136,126,93,121,145,152,143,117,88,63,42,25,12,3,7,14,23,36,53,74,99,128,114,89,66,87,112,138,130,97,68,92,119,123,94,69,48,31,18,9,4)(158,159,161,163)(160,165,164,162)(167,171)(168,175)(169,176)(172,173)(174,179)(177,181)(178,180);(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)(159,162)(160,164)(163,165)(166,167,168,172,176,180,181,179,170,174,177,178,169,173,175,171)

Polycyclic presentation:

2^7,157|a^2=d,b^2=e,c^2=fg,d^2=efg,f^2=g,b^a=bc,c^a=ce,h^a=h^129,c^b=cf,d^b=def,f^b=fg,h^d=h^156

Conjugacy classes & character table

575 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20096, 19528);