Finite Group Databasebeta

#34203569

order20224
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Splittings

FittingC2×#347×C79 ⋊ C2
SylowC79 ⋊ #12651

Subgroups

subgroupG/H
centerC4#19098676
commutatorC8×C79C2×C42
FrattiniC22×C8C22×D79
FittingC2×#347×C79C2
socleC2×C79#1762
prime radicalC2×#14579183C22
cosocleC22×C8×C79C23
hypercenterC2×#347D79
hypocenterC79#12651
LCSG ▷ C8×C79 ▷ C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×#97 ◁ C2×#347

412 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)(80,83,84,85,87,99,86,98)(81,89,91,101,92,107,102,90)(82,94,96,95,97,110,100,111)(88,93,103,108,106,109,105,104);(80,82,85,94,84,100,99,111,87,97,98,110,86,96,83,95)(81,88,89,104,102,103,90,93,92,106,107,108,91,105,101,109);(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)(80,81,84,91,87,92,86,102)(82,93,96,108,97,109,100,104)(83,89,85,101,99,107,98,90)(88,94,103,95,106,110,105,111)

Polycyclic presentation:

2^8,79|a^2=e,b^2=f,c^2=e,d^2=g,e^2=h,f^2=gh,g^2=h,b^a=bd,d^a=dg,f^a=fg,g^a=gh,i^a=i^78,c^b=cg,e^b=eh,d^c=dh,f^c=fh

Conjugacy classes & character table

1762 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 84868);