Finite Group Databasebeta

#34219397

order20224
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C42

Aliases

No aliases for this group.

Splittings

SylowC79 ⋊ #14673

Subgroups

subgroupG/H
center, FrattiniC24C23×D79
commutatorC23×C79C23×C4
FittingC2×#379×C79C2
socle, cosocleC24×C79C24
prime radicalC26×C79C22
hypercenterC2×#379D79
hypocenterC79#14673
LCSG ▷ C23×C79 ▷ C79
UCSC1 ◁ C24 ◁ C2×#379

2734 conjugacy classes of subgroups; only the 371 normal subgroups are shown.

normal subgroups only

This group has 2734 conjugacy classes of subgroups — too many to draw. Only its 371 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) = 103
transitive degreeμt(G) = 5056

A minimal faithful permutation representation — 4 generators on 103 points:

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

Polycyclic presentation:

2^8,79|b^2=h,c^2=g,b^a=be,c^a=cf,c^b=cg,d^b=def,d^c=de,i^c=i^78

Conjugacy classes & character table

2236 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 100696);