Finite Group Databasebeta

#34175137

order20224
automorphism?
homologyAbelianization (H1) = C4×C8 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #7153

Subgroups

subgroupG/H
centerC2×C8(C2×D79)⋊C4
commutatorC2×C4×C79C4×C8
FrattiniC2×C4×C8C2×D79
FittingC2×C4⋊C16×C79C2
socleC22×C79#336
prime radicalC23×C79C4⋊C8
cosocleC2×C4×C8×C79C22
hypercenterC2×C4⋊C16D79
hypocenterC79#7153
LCSG ▷ C2×C4×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C2×C8 ◁ C2×C4×C8 ◁ C2×C4⋊C16

218 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 2 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)(80,81,83,86,84,87,82,85)(88,90)(89,94,96,98)(91,100)(92,101)(93,99)(95,106,108,111)(97,107,110,112)(102,114)(103,105)(104,113)(109,117,118,119)(115,116);(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)(81,85)(82,83)(86,87)(88,89,91,95,92,97,102,109,93,96,103,108,104,110,115,118)(90,98,100,111,101,112,114,119,99,94,105,106,113,107,116,117)

Polycyclic presentation:

2^8,79|a^2=d,b^2=e,c^2=f,d^2=g,e^2=f,g^2=h,b^a=bc,c^a=cf,e^a=efh,i^a=i^78,c^b=ch,i^b=i^78

Conjugacy classes & character table

3196 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 56436);