Finite Group Databasebeta

#27186887

order12928
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

FittingC22×C8×C101 ⋊ C4
SylowC101 ⋊ #1757

Subgroups

subgroupG/H
centerC8C22⋊#87938
commutatorC22×C101C2×C42
FrattiniC2×C4C22×#87938
FittingC22×C8×C101C4
socleC2×C101C4×C22⋊C4
prime radicalC2×#13108074C22
cosocleC2×C4×D101C23
hypercenterC22×C8#87938
hypocenterC101#1757
LCSG ▷ C22×C101 ▷ C2×C101 ▷ C101
UCSC1 ◁ C8 ◁ C2×C8 ◁ C22×C8

284 conjugacy classes of subgroups; only the 88 normal subgroups are shown.

normal subgroups only

This group has 284 conjugacy classes of subgroups — too many to draw. Only its 88 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) = 133
transitive degreeμt(G) = 3232

A minimal faithful permutation representation — 3 generators on 133 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)(102,105,106,116,107,117,118,129)(103,109,110,122,111,123,124,132)(104,113,115,128,114,127,119,130)(108,120,121,131,112,125,126,133);(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)(102,104)(103,108,111,112)(105,113)(106,115)(107,114)(109,120,123,125)(110,121,124,126)(116,128)(117,127)(118,119)(122,131,132,133)(129,130);(102,103,106,110,107,111,118,124)(104,112,115,126,114,108,119,121)(105,109,116,122,117,123,129,132)(113,125,128,133,127,120,130,131)

Polycyclic presentation:

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

Conjugacy classes & character table

844 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 20265);