Finite Group Databasebeta

#34200449

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

Aliases

No aliases for this group.

Splittings

FittingC79×#2190 ⋊ C2
SylowC79 ⋊ #12117

Subgroups

subgroupG/H
centerC2#23762316
commutator, cosocleC2×M16×C79C23
FrattiniC2×M16C22×D79
FittingC79×#2190C2
socleC2×C79#1595
hypercenter#2190D79
hypocenterC79#12117
LCSG ▷ C2×M16×C79 ▷ C2×C4×C79 ▷ C2×C79 ▷ C79
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×M16 ◁ #2190

424 conjugacy classes of subgroups; only the 53 normal subgroups are shown.

normal subgroups only

This group has 424 conjugacy classes of subgroups — too many to draw. Only its 53 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)(4,13)(5,15)(6,16)(7,22)(9,28)(10,26)(11,27)(12,21)(14,18)(17,29)(19,31)(20,30)(23,25)(24,32)(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);(2,7)(4,17)(5,18)(8,22)(9,10)(11,24)(12,25)(13,29)(14,15)(19,20)(21,23)(26,28)(27,32)(30,31)(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);(1,2)(3,12)(4,7)(5,21)(6,11)(8,14)(9,17)(10,18)(13,25)(15,27)(16,26)(19,23)(20,24)(22,29)(28,30)(31,32)

Polycyclic presentation:

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

Conjugacy classes & character table

805 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 81748);