Finite Group Databasebeta

#27187192

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

Aliases

No aliases for this group.

Splittings

SylowC101 ⋊ #1917

Subgroups

subgroupG/H
center, FrattiniC23C22×#87938
commutator, socle, prime radicalC23×C101C22×C4
FittingC2×C4⋊C4×C101C4
cosocleC22×Dic101C23
hypercenterC2×C4⋊C4#87938
hypocenterC101#1917
LCSG ▷ C23×C101 ▷ C101
UCSC1 ◁ C23 ◁ C2×C4⋊C4

228 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 228 conjugacy classes of subgroups — too many to draw. Only its 82 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) = 12928

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

(1,2)(3,8)(4,7)(5,6)(9,18)(10,17)(11,12)(13,16)(14,15)(19,32)(20,31)(21,22)(23,30)(24,25)(26,29)(27,28)(33,50)(34,49)(35,36)(37,48)(38,39)(40,47)(41,42)(43,46)(44,45)(52,69)(53,54)(55,68)(56,67)(57,58)(59,66)(60,61)(62,65)(63,64)(70,83)(71,72)(73,82)(74,81)(75,76)(77,80)(78,79)(84,93)(85,86)(87,92)(88,91)(89,90)(94,99)(95,96)(97,98)(100,101)(103,105)(106,108,109,112)(107,111,110,113)(114,117,118,119)(115,116,120,121);(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)(107,110)(111,113)(114,116,119,120,118,121,117,115);(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)(104,105)(106,107)(108,111)(109,110)(112,113)(114,115,119,116,118,120,117,121)

Polycyclic presentation:

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

Conjugacy classes & character table

544 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12928, 20570);