Finite Group Databasebeta

#34208801

order20224
automorphism?
homologyAbelianization (H1) = C22×C16 · Schur multiplier (H2) = C4

Aliases

No aliases for this group.

Splittings

FittingC4×C32×C79 ⋊ C2
SylowC79 ⋊ #13641

Subgroups

subgroupG/H
center, FrattiniC2×C16C22×D79
commutator, socleC22×C79C22×C16
FittingC4×C32×C79C2
prime radicalC22×D79C2×C16
cosocleC2×C16×C79C23
hypercenterC4×C32D79
hypocenterC79#13641
LCSG ▷ C22×C79 ▷ C79
UCSC1 ◁ C2×C16 ◁ C4×C32

180 conjugacy classes of subgroups; only the 91 normal subgroups are shown.

normal subgroups only

This group has 180 conjugacy classes of subgroups — too many to draw. Only its 91 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 151
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 3 generators on 151 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)(80,82,83,86)(81,85,84,87)(90,100)(95,110)(101,120)(102,121)(103,122)(111,130)(112,131)(113,132)(123,140)(124,141)(125,142)(133,145)(134,146)(135,147)(143,150)(148,151);(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)(81,84)(85,87)(88,90)(89,95)(91,101)(92,102)(93,103)(94,100)(96,111)(97,112)(98,113)(99,110)(104,123)(105,124)(106,120)(107,125)(108,121)(109,122)(114,133)(115,134)(116,130)(117,135)(118,131)(119,132)(126,143)(127,140)(128,141)(129,142)(136,148)(137,145)(138,146)(139,147)(144,150)(149,151);(80,81)(82,85)(83,84)(86,87)(88,89,91,96,92,97,104,114,93,98,105,115,107,117,126,136,94,99,106,116,108,118,127,137,109,119,128,138,129,139,144,149)(90,95,101,111,102,112,123,133,103,113,124,134,125,135,143,148,100,110,120,130,121,131,140,145,122,132,141,146,142,147,150,151)

Polycyclic presentation:

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

Conjugacy classes & character table

5104 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 90100);