Finite Group Databasebeta

#27186629

order12928
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC101 ⋊ #1540

Subgroups

subgroupG/H
centerC2×C4C22⋊#87938
commutatorC2×C4×C101C22×C4
FrattiniC2×C4C22×#87938
FittingC4×D4×C101C4
socleC22×C101C2×C22⋊C4
prime radical#20265724C2
cosocleC4×Dic101C23
hypercenterC4×D4#87938
hypocenterC101#1540
LCSG ▷ C2×C4×C101 ▷ C22×C101 ▷ C101
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×D4

256 conjugacy classes of subgroups; only the 68 normal subgroups are shown.

normal subgroups only

This group has 256 conjugacy classes of subgroups — too many to draw. Only its 68 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) = 125
transitive degreeμt(G) = 6464

A minimal faithful permutation representation — 3 generators on 125 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)(110,113,115,114)(111,117,118,119)(112,121,122,123)(116,124,120,125);(103,107)(104,105)(108,109)(110,112)(111,116)(113,121)(114,123)(115,122)(117,124)(118,120)(119,125);(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)(102,103,105,107,106,109,104,108)(110,111,114,119,115,118,113,117)(112,120,121,125,122,116,123,124)

Polycyclic presentation:

2^7,101|a^2=e,c^2=f,d^2=g,e^2=fg,b^a=bd,d^a=df,h^a=h^10,d^b=dg,e^b=efg,h^e=h^100

Conjugacy classes & character table

538 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 20007);