Finite Group Databasebeta
Cayley diagram

#158995

order512
nilpotency class2
isoclinismisoclinic class of #158815
automorphism?
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C210×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC25C24
LCSG ▷ C25 ▷ C1
UCSC1 ◁ C25 ◁ G
LECSG ▷ C25 ▷ C1

10820 conjugacy classes of subgroups; only the 650 normal subgroups are shown.

normal subgroups only

This group has 10820 conjugacy classes of subgroups — too many to draw. Only its 650 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) = 20
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 20 points:

(6,8)(9,10)(11,12)(13,14,15,16);(2,4)(6,8)(10,12)(14,16)(17,18,19,20);(9,10,11,12)(13,14,15,16)(17,18)(19,20);(1,2)(3,4)(5,6)(7,8)(9,10)(11,12)(13,14)(15,16)(17,18)(19,20)

Polycyclic presentation:

2^9|a^2=ef,b^2=eg,c^2=e,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=di,d^c=de

Conjugacy classes & character table

92 conjugacy classes — view the full character table.

Relationships

derived subgroup ofC2×#72226627
maximal subgroup of#72226620, #72226624, #72226627, …
maximal normal subgroup of#72226620, #72226624, #72226627, …
maximal quotient ofC2×#158995, #72267796, #72299744

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 66191);