Finite Group Databasebeta

#34204658

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #12891

Subgroups

subgroupG/H
centerC2×C4C2×#11929609
commutatorC2×C8×C79C22×C4
FrattiniC22×C8C22×D79
FittingC79×#1848C2
socleC22×C79C2×#107
prime radicalC23×C79C2×Q16
cosocleC22×C8×C79C23
hypercenter#1848D79
hypocenterC79#12891
LCSG ▷ C2×C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ #1848

282 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 119
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 3 generators on 119 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)(81,85)(84,87)(88,91,92,106,108,119,110,105,95,107,109,104,94,103,93,90)(89,97,98,112,100,115,117,114,102,116,118,113,101,111,99,96);(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)(80,82,83,86)(81,84,85,87)(88,90,93,103,94,104,109,107,95,105,110,119,108,106,92,91)(89,96,99,111,101,113,118,116,102,114,117,115,100,112,98,97);(80,81)(82,84)(83,85)(86,87)(88,89,94,100,95,102,108,101)(90,97,104,115,105,116,106,111)(91,96,103,112,107,114,119,113)(92,99,93,98,109,117,110,118)

Polycyclic presentation:

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

Conjugacy classes & character table

1792 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 85957);