Finite Group Databasebeta

#27187193

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

Aliases

No aliases for this group.

Splittings

Fitting#107×C101 ⋊ C4
SylowC101 ⋊ #1918

Subgroups

subgroupG/H
centerC22D4×#87938
commutatorC2×C4×C101C22×C4
FrattiniC2×C4C22×#87938
Fitting#107×C101C4
socleC22×C101C4×D4
prime radicalC22×D101C2×D4
cosocleC2×C4×D101C23
hypercenter#107#87938
hypocenterC101#1918
LCSG ▷ C2×C4×C101 ▷ C2×C101 ▷ C101
UCSC1 ◁ C22 ◁ C2×C4 ◁ #107

230 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 230 conjugacy classes of subgroups — too many to draw. Only its 70 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) = 117
transitive degreeμt(G) = 3232

A minimal faithful permutation representation — 3 generators on 117 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

388 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 20571);