Finite Group Databasebeta

#27186301

order12928
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

SylowC101 ⋊ M128

Subgroups

subgroupG/H
center, FrattiniC16C2×#87938
commutator, socleC2×C101C2×C32
FittingC2×C16×C101C4
prime radicalC22×C101C32
cosocle#15692161C22
hypercenterC2×C16#87938
hypocenterC101M128
LCSG ▷ C2×C101 ▷ C101
UCSC1 ◁ C16 ◁ C2×C16

38 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 165
transitive degreeμt(G) = 6464

A minimal faithful permutation representation — 2 generators on 165 points:

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

Polycyclic presentation:

2^7,101|a^2=c,c^2=d,d^2=e,e^2=f,f^2=g,b^a=bg,h^a=h^10,h^c=h^100

Conjugacy classes & character table

880 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 19679);