Finite Group Databasebeta
Cayley diagram

#251744

order512
nilpotency class3
isoclinismisoclinic class of #251731
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#2404
commutator, Frattini, cosocleC2×C42C24
prime radicalC24#120
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

701 conjugacy classes of subgroups; only the 134 normal subgroups are shown.

normal subgroups only

This group has 701 conjugacy classes of subgroups — too many to draw. Only its 134 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) = 64
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 64 points:

(1,2)(3,8)(4,14)(5,7)(6,18)(9,15)(10,17)(11,21)(12,22)(13,20)(16,24)(19,23)(25,31)(26,27)(28,29)(30,32)(33,34,38,42)(35,39,44,53)(36,46,48,56)(37,49,51,41)(40,50,55,47)(43,57,58,64)(45,61,60,54)(52,62,63,59);(2,7)(3,11,13,19)(8,21,20,23)(9,14)(10,18)(12,25,26,30)(22,31,27,32)(24,28)(33,35)(34,39)(36,43)(37,45)(38,44)(40,52)(41,54)(42,53)(46,57)(47,59)(48,58)(49,61)(50,62)(51,60)(55,63)(56,64);(1,3)(2,8)(4,12)(5,13)(6,19)(7,20)(9,22)(10,21)(11,17)(14,27)(15,26)(16,30)(18,23)(24,31)(25,29)(28,32)(33,36,38,48)(34,40,42,55)(35,43,44,58)(37,50,51,47)(39,52,53,63)(41,56,49,46)(45,62,60,59)(54,64,61,57);(1,4)(2,9)(3,12)(5,15)(6,16)(7,14)(8,22)(10,24)(11,25)(13,26)(17,29)(18,28)(19,30)(20,27)(21,31)(23,32)(35,44)(39,53)(43,58)(45,60)(52,63)(54,61)(57,64)(59,62)

Polycyclic presentation:

2^9|a^2=i,b^2=eh,c^2=i,f^2=i,g^2=h,b^a=be,c^a=cf,d^a=de,f^a=fi,g^a=gh,c^b=cg,d^b=di,e^c=eh,f^c=fi,g^c=gh,f^d=fh

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 158940);