Finite Group Databasebeta

#34194378

order20224
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #10900

Subgroups

subgroupG/H
centerC2×C4#14579130
commutatorC2×C4×C79C2×C42
FrattiniC23×C4C22×D79
FittingC79×#2873C2
socleC22×C79#386
prime radicalC24×C79#41
cosocleC23×C4×C79C23
hypercenter#2873D79
hypocenterC79#10900
LCSG ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2×C4 ◁ C23×C4 ◁ #2873

686 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

2716 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 75677);