Finite Group Databasebeta

#34205149

order20224
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

FittingC79×#2113 ⋊ C2
SylowC79 ⋊ #12980

Subgroups

subgroupG/H
centerC2×C8C2×C22⋊D79
commutatorC2×C4×C79C22×C8
FrattiniC22×C8C22×D79
FittingC79×#2113C2
socleC22×C79C8×D4
prime radicalC2×#14579181C4
cosocleC22×C8×C79C23
hypercenter#2113D79
hypocenterC79#12980
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2×C8 ◁ C22×C16 ◁ #2113

470 conjugacy classes of subgroups.

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)(84,87)(85,93)(86,100)(88,98)(89,108)(90,104)(91,92)(94,111)(95,106)(96,103)(97,107)(99,115)(101,114)(102,112)(105,110)(109,113);(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)(81,83)(84,86,99,103,88,106,110,93,91,102,109,111,90,101,89,107)(85,92,112,113,94,104,114,108,97,87,100,115,96,98,95,105);(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)(80,81,82,83)(84,85,89,95,90,96,109,100,91,97,110,114,88,94,99,112)(86,98,93,113,101,87,103,105,102,104,107,115,106,92,111,108)

Polycyclic presentation:

2^8,79|a^2=f,b^2=df,d^2=h,e^2=h,f^2=g,g^2=h,b^a=bd,c^a=ce,i^a=i^78,d^b=dh,e^b=eh,f^b=fh,i^b=i^78,d^c=dh,e^c=eh,f^c=fh,i^c=i^78

Conjugacy classes & character table

2260 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 86448);