Finite Group Databasebeta

#34203648

order20224
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #12668

Subgroups

subgroupG/H
centerC8#14579093
commutatorC8×C79C2×C42
FrattiniC22×C8C22×D79
FittingC4×M32×C79C2
socleC2×C79C4×#106
prime radicalC23×C79#135
cosocleC22×C8×C79C23
hypercenterC4×M32D79
hypocenterC79#12668
LCSG ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C8 ◁ C22×C8 ◁ C2×C4×C8 ◁ C4×M32

308 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 111
transitive degreeμt(G) = 2528

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

Polycyclic presentation:

2^8,79|a^2=e,b^2=f,c^2=de,d^2=g,e^2=g,g^2=h,b^a=bd,f^a=fh,d^b=dg,e^b=egh,g^b=gh,i^b=i^78

Conjugacy classes & character table

3184 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 84947);