Finite Group Databasebeta

#34115070

order20096
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

No aliases for this group.

Splittings

SylowC157 ⋊ #1321

Subgroups

subgroupG/H
centerC4#19097829
commutatorC2×C4×C157C2×C8
FrattiniC22×C4C2×#10597845
Fitting, prime radicalC2×#41×C157C4
socleC2×C157#323
cosocleC2×#14578938C22
hypercenterC2×#41#10597845
hypocenterC157#1321
LCSG ▷ C2×C4×C157 ▷ C22×C157 ▷ C2×C157 ▷ C157
UCSC1 ◁ C4 ◁ C2×C4 ◁ C22×C4 ◁ C2×#41

112 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 189
transitive degreeμt(G) = 5024

A minimal faithful permutation representation — 2 generators on 189 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)(158,160)(159,165)(161,174)(162,176)(163,170)(164,172)(166,182)(167,180)(168,181)(169,173)(171,178)(175,179)(177,187)(183,188)(184,186)(185,189);(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)(158,159,162,167,163,166,177,183,164,168,178,185,161,173,175,184)(160,169,171,186,170,165,179,180,172,182,176,188,174,181,187,189)

Polycyclic presentation:

2^7,157|a^2=d,c^2=g,d^2=f,f^2=g,b^a=bc,c^a=ce,e^a=eg,h^a=h^129,c^b=cg,d^b=deg,d^c=dg,h^d=h^156

Conjugacy classes & character table

806 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20096, 19444);