Finite Group Databasebeta

#34175749

order20224
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C1

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #7393

Subgroups

subgroupG/H
centerC2×C8C22⋊Dic79
commutatorC2×C4×C79C2×C16
FrattiniC4×C16C2×D79
FittingC79×#2183C2
socle, prime radicalC22×C79C22⋊C16
cosocleC4×C16×C79C22
hypercenter#2183D79
hypocenterC79#7393
LCSG ▷ C2×C4×C79 ▷ C22×C79 ▷ C79
UCSC1 ◁ C2×C8 ◁ C4×C16 ◁ #2183

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

normal subgroups only

This group has 110 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) = 119
transitive degreeμt(G) = 20224

A minimal faithful permutation representation — 2 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)(80,81,83,85)(82,87,86,84)(88,90,92,94)(89,95,96,99)(91,102,103,100)(93,101,105,106)(97,111,109,107)(98,108,110,113)(104,115,116,114)(112,119,118,117);(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)(82,86)(85,87)(88,89,91,97,93,98,104,112,94,95,102,107,106,108,115,117,92,96,103,109,105,110,116,118,90,99,100,111,101,113,114,119)

Polycyclic presentation:

2^8,79|a^2=d,b^2=e,c^2=eh,d^2=f,f^2=g,g^2=h,b^a=bc,c^a=ce,i^a=i^78,c^b=ceh,d^b=dh

Conjugacy classes & character table

2260 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 57048);