Finite Group Databasebeta

#27186935

order12928
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

Fitting#106×C101 ⋊ C4
SylowC101 ⋊ #1772

Subgroups

subgroupG/H
centerC22D4×#87938
commutatorC4×C101C2×C42
FrattiniC2×C4C22×#87938
Fitting#106×C101C4
socleC22×C101C4×D4
prime radicalC22×D101#41
cosocleC2×C4×D101C23
hypercenter#106#87938
hypocenterC101#1772
LCSG ▷ C4×C101 ▷ C2×C101 ▷ C101
UCSC1 ◁ C22 ◁ C2×C4 ◁ #106

232 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 232 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 3232

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

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

Polycyclic presentation:

2^7,101|a^2=e,b^2=f,c^2=de,d^2=g,b^a=bd,h^a=h^10,d^b=dg,e^b=eg,h^c=h^10,h^e=h^100

Conjugacy classes & character table

406 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 20313);