Finite Group Databasebeta

#34200787

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

Aliases

No aliases for this group.

Splittings

FittingC79×#2053 ⋊ C2
SylowC79 ⋊ #12172

Subgroups

subgroupG/H
centerC2#23762334
commutator, cosocleC2×M16×C79C23
FrattiniC2×M16C22×D79
FittingC79×#2053C2
socleC2×C79#1598
prime radical#23765346C2
hypercenter#2053D79
hypocenterC79#12172
LCSG ▷ C2×M16×C79 ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×M16 ◁ #2053

344 conjugacy classes of subgroups; only the 55 normal subgroups are shown.

normal subgroups only

This group has 344 conjugacy classes of subgroups — too many to draw. Only its 55 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) = 111
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 3 generators on 111 points:

(1,3)(2,8,11,12)(4,17)(5,15)(6,14)(7,21,22,26)(9,24,23,27)(10,25,20,28)(13,19)(16,31)(18,30)(29,32)(33,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,111,109,107,105,103,101,99,97,95,93,91,89,87,85,83,81,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35);(2,7)(4,16)(5,18)(8,21)(9,10)(11,22)(12,26)(13,29)(15,30)(17,31)(19,32)(20,23)(24,25)(27,28)(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)(82,83)(84,85)(86,87)(88,89)(90,91)(92,93)(94,95)(96,97)(98,99)(100,101)(102,103)(104,105)(106,107)(108,109)(110,111);(1,2)(3,12)(4,7)(5,20)(6,11)(8,14)(9,16)(10,18)(13,26)(15,25)(17,21)(19,22)(23,32)(24,31)(27,29)(28,30)

Polycyclic presentation:

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

Conjugacy classes & character table

1039 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 82086);