Finite Group Databasebeta

#27156957

order12416
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C4

Aliases

No aliases for this group.

Splittings

SylowC97 ⋊ #1454

Subgroups

subgroupG/H
center, FrattiniC2×C4C22×#87604
commutator, socleC22×C97C2×C42
FittingC22⋊C8×C97C4
prime radicalC23×C97C42
cosocleC4×Dic97C23
hypercenterC22⋊C8#87604
hypocenterC97#1454
LCSG ▷ C22×C97 ▷ C97
UCSC1 ◁ C2×C4 ◁ C22⋊C8

178 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 178 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 129
transitive degreeμt(G) = 6208

A minimal faithful permutation representation — 3 generators on 129 points:

(1,2,5,10,19,32,49,70,64,45,62,80,72,47,67,85,92,83,63,42,25,12,3,7,14,23,36,53,74,60,43,28,41,58,78,68,87,94,96,90,81,59,38,21,8,16,27,40,57,77,56,39,26,15,24,37,54,75,89,95,97,93,86,79,55,34,17,29,44,61,73,52,35,22,13,6,11,20,33,50,71,88,91,84,66,82,76,51,30,46,65,69,48,31,18,9,4)(99,104)(100,106)(105,111)(107,112)(115,120)(119,125)(121,127)(126,129);(98,100)(99,103)(101,107)(102,106)(104,110)(105,109)(108,112)(111,113)(114,116,117,122,118,123,124,128)(115,119,121,126,120,125,127,129);(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)(32,47,48,66)(36,51,52,62)(40,55,56,58)(44,59,60,54)(46,63,64,50)(49,68,69,86)(53,72,73,82)(57,76,77,80)(61,79,74,78)(65,81,70,75)(67,83,84,71)(85,90,91,89)(87,92,93,88)(94,96,97,95)(98,99,101,105,102,104,108,111)(100,103,107,109,106,110,112,113)(114,115)(116,119)(117,121)(118,120)(122,126)(123,125)(124,127)(128,129)

Polycyclic presentation:

2^7,97|a^2=d,b^2=e,d^2=f,e^2=g,c^a=cfg,h^a=h^22,c^b=cf,h^d=h^96

Conjugacy classes & character table

536 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12416, 19731);