Finite Group Databasebeta

#34204325

order20224
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #12814

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#12814
LCSG ▷ C2×C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C23 ◁ C2×C42 ◁ C2×C4×C8 ◁ C2×C4×Q16

430 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)(88,90,91,99)(89,95,94,109)(92,105,102,119)(93,108,103,101)(96,112,110,118)(97,113,107,111)(98,115,114,104)(100,117,116,106);(84,85,86,87)(89,94)(95,109)(96,110)(97,107)(98,114)(104,115)(111,113)(112,118);(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)(85,87)(88,89)(90,98)(91,94)(92,104)(93,107)(95,100)(96,106)(97,103)(99,114)(101,118)(102,115)(105,113)(108,112)(109,116)(110,117)(111,119)

Polycyclic presentation:

2^8,79|a^2=f,b^2=dh,c^2=h,e^2=gh,g^2=h,b^a=bd,c^a=ce,e^a=eg,g^a=gh,i^a=i^78,e^c=eg,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, 85624);