Finite Group Databasebeta

#34208955

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

Aliases

No aliases for this group.

Splittings

FittingC79×#1401 ⋊ C2
SylowC79 ⋊ #13669

Subgroups

subgroupG/H
centerC2#23765314
commutator, cosocleC2×C16×C79C23
FrattiniC2×C16C22×D79
FittingC79×#1401C2
socleC2×C79#2184
hypercenter#1401D79
hypocenterC79#13669
LCSG ▷ C2×C16×C79 ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C2×C4 ◁ #131 ◁ #504 ◁ #1401

288 conjugacy classes of subgroups; only the 59 normal subgroups are shown.

normal subgroups only

This group has 288 conjugacy classes of subgroups — too many to draw. Only its 59 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) = 143
transitive degreeμt(G) = 5056

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

Polycyclic presentation:

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

Conjugacy classes & character table

2221 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 90254);