Finite Group Databasebeta

#34196407

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #11248

Subgroups

subgroupG/H
centerC4#19098446
commutatorC22×C4×C79C22×C4
FrattiniC23×C4C22×D79
FittingC2×#338×C79C2
socleC2×C79#1441
prime radicalC24×C79C2×Q8
cosocleC23×C4×C79C23
hypercenterC2×#338D79
hypocenterC79#11248
LCSG ▷ C22×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C4 ◁ C23×C4 ◁ C2×#338

604 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 3 generators on 111 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)(80,83,84,99,86,101,85,100)(81,88,89,106,91,107,90,97)(82,93,94,98,96,109,95,110)(87,102,92,108,104,111,103,105);(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)(80,82,84,94,86,96,85,95)(81,87,89,92,91,104,90,103)(83,98,99,109,101,110,100,93)(88,105,106,102,107,108,97,111);(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)(80,81,85,89,86,91,84,90)(82,92,95,104,96,103,94,87)(83,97,99,107,101,106,100,88)(93,102,98,105,109,111,110,108)

Polycyclic presentation:

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

Conjugacy classes & character table

1762 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 77706);