Finite Group Databasebeta

#27186193

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

Aliases

No aliases for this group.

Splittings

SylowC101 ⋊ #1382

Subgroups

subgroupG/H
centerC22#15692317
commutatorC8×C101C42
FrattiniC2×C8C2×#87938
Fitting#107×C101C4
socleC22×C101#102
prime radicalC22×D101SD16
cosocleC2×C8×D101C22
hypercenter#107#87938
hypocenterC101#1382
LCSG ▷ C8×C101 ▷ C4×C101 ▷ C2×C101 ▷ C101
UCSC1 ◁ C22 ◁ C2×C4 ◁ C2×C8 ◁ #107

132 conjugacy classes of subgroups; only the 52 normal subgroups are shown.

normal subgroups only

This group has 132 conjugacy classes of subgroups — too many to draw. Only its 52 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) = 137
transitive degreeμt(G) = 6464

A minimal faithful permutation representation — 2 generators on 137 points:

(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)(106,108,110,119,123,134,124,135,112,121,109,118,111,120,126,136)(107,113,114,117,127,131,125,137,116,129,130,133,115,128,122,132);(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)(102,103,104,105)(106,107)(108,117)(109,122)(110,125)(111,127)(112,116)(113,118)(114,124)(115,123)(119,129)(120,137)(121,133)(126,130)(128,136)(131,135)(132,134)

Polycyclic presentation:

2^7,101|a^2=d,b^2=e,c^2=fg,e^2=fg,f^2=g,b^a=bc,c^a=cf,e^a=efg,f^a=fg,h^b=h^10,h^e=h^100

Conjugacy classes & character table

394 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 19571);