Finite Group Databasebeta

#34179632

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Splittings

FittingC2×#324×C79 ⋊ C2
SylowC79 ⋊ #8309

Subgroups

subgroupG/H
centerC23C22⋊C4×D79
commutatorC24×C79C22×C4
FrattiniC23×C4C22×D79
FittingC2×#324×C79C2
socleC23×C79C2×C22⋊C4
prime radicalC24×D79C2×C4
cosocleC23×C4×C79C23
hypercenterC2×#324D79
hypocenterC79#8309
LCSG ▷ C24×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C23 ◁ C23×C4 ◁ C2×#324

874 conjugacy classes of subgroups; only the 139 normal subgroups are shown.

normal subgroups only

This group has 874 conjugacy classes of subgroups — too many to draw. Only its 139 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) = 115
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 3 generators on 115 points:

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

Polycyclic presentation:

2^8,79|a^2=f,c^2=gh,f^2=h,b^a=bd,c^a=ce,d^a=dg,c^b=ch,f^b=fg,i^b=i^78,i^c=i^78

Conjugacy classes & character table

1768 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 60931);