Finite Group Databasebeta

#34209735

order20224
automorphism?
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C2×C43

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #13807

Subgroups

subgroupG/H
center, FrattiniC24C23×D79
commutatorC22×C79C22×C42
FittingC2×#381×C79C2
socle, cosocleC24×C79C24
prime radicalC25×C79C23
hypercenterC2×#381D79
hypocenterC79#13807
LCSG ▷ C22×C79 ▷ C79
UCSC1 ◁ C24 ◁ C2×#381

1790 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 103
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 103 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)(90,95)(92,94)(96,99,100,98)(97,101,102,103);(89,93)(92,94)(96,98,100,99)(97,101,102,103);(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)(84,85,86,87)(88,90)(89,92)(91,95)(93,94);(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)(88,89)(90,94)(91,93)(92,95)(96,97)(98,103)(99,101)(100,102)

Polycyclic presentation:

2^8,79|a^2=g,b^2=h,c^2=ef,d^2=ef,b^a=be,c^a=cf,i^a=i^78,d^b=de,i^b=i^78

Conjugacy classes & character table

2284 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 91034);