Finite Group Databasebeta

#34175969

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

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #7471

Subgroups

subgroupG/H
centerC23#14579102
commutatorC16×C79C42
FrattiniC22×C16C2×D79
FittingC2×#366×C79C2
socle, prime radicalC23×C79D16
cosocleC22×C16×C79C22
hypercenterC2×#366D79
hypocenterC79#7471
LCSG ▷ C16×C79 ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C23 ◁ C22×C4 ◁ C22×C8 ◁ C22×C16 ◁ C2×#366

190 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 119
transitive degreeμt(G) = 20224

A minimal faithful permutation representation — 2 generators on 119 points:

(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)(88,89,91,96,92,97,103,111,106,114,117,119,116,118,102,110,94,99,105,113,107,115,101,109,93,98,104,112,100,108,90,95);(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)(80,81,82,83)(89,95)(90,91)(92,100)(93,106)(96,108)(97,112)(98,111)(99,110)(101,117)(102,105)(103,104)(107,116)(109,114)(113,118)(115,119)

Polycyclic presentation:

2^8,79|a^2=d,b^2=e,c^2=fg,e^2=f,f^2=gh,g^2=h,b^a=bc,c^a=cf,e^a=efg,f^a=fg,g^a=gh,i^b=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, 57268);