Finite Group Databasebeta

#34205347

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #13015

Subgroups

subgroupG/H
centerC23C2×#11929609
commutatorC2×C8×C79C22×C4
FrattiniC22×C8C22×D79
FittingC2×C4×Q16×C79C2
socle, prime radicalC23×C79C2×D8
cosocleC22×C8×C79C23
hypercenterC2×C4×Q16D79
hypocenterC79#13015
LCSG ▷ C2×C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C4×C8 ◁ C2×C4×Q16

490 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

2242 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 86646);