Finite Group Databasebeta

#27187517

order12928
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC101 ⋊ #2169

Subgroups

subgroupG/H
center, FrattiniC2×C4C22×#87938
commutator, socleC22×C101C22×C8
FittingC22⋊C8×C101C4
prime radicalC2×C22⋊D101C8
cosocleC2×#11717579C23
hypercenterC22⋊C8#87938
hypocenterC101#2169
LCSG ▷ C22×C101 ▷ C101
UCSC1 ◁ C2×C4 ◁ C22⋊C8

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

normal subgroups only

This group has 162 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) = 121
transitive degreeμt(G) = 6464

A minimal faithful permutation representation — 3 generators on 121 points:

(1,2,8,4)(3,6,18,14)(5,7,16,10)(9,12,32,24)(11,17,28,20)(13,15,30,26)(19,22,50,38)(21,31,42,34)(23,25,48,44)(27,29,46,40)(33,36,51,54)(35,49,58,52)(37,39,68,60)(41,47,64,56)(43,45,66,62)(53,69,72,55)(57,67,76,70)(59,61,82,78)(63,65,80,74)(71,83,86,73)(75,81,90,84)(77,79,92,88)(85,93,96,87)(89,91,98,94)(95,99,100,97)(106,108,110,117,111,112,115,120,109,116,118,121,119,107,113,114);(103,105)(107,112)(108,116)(114,120)(117,121);(2,3,5,4)(6,9,11,10)(7,13,14,8)(12,19,21,20)(15,23,24,18)(16,17,27,26)(22,33,35,34)(25,37,38,32)(28,31,41,40)(29,43,44,30)(36,51,53,52)(39,55,54,50)(42,49,57,56)(45,59,60,48)(46,47,63,62)(58,69,71,70)(61,73,72,68)(64,67,75,74)(65,77,78,66)(76,83,85,84)(79,87,86,82)(80,81,89,88)(90,93,95,94)(91,97,96,92)(98,99,101,100)(102,103)(104,105)(106,107,110,114,111,108,115,117,109,112,118,120,119,116,113,121)

Polycyclic presentation:

2^7,101|a^2=e,c^2=e,e^2=f,f^2=g,b^a=bd,c^a=cg,h^a=h^91,c^b=cg,h^c=h^10,h^e=h^100

Conjugacy classes & character table

556 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 20895);