Finite Group Databasebeta
Cayley diagram

#17080

order256
nilpotency class2
isoclinismisoclinic class of #16249
automorphismAut(G) order 524288
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C42

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, prime radical, cosocleC24C24
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

681 conjugacy classes of subgroups; only the 199 normal subgroups are shown.

normal subgroups only

This group has 681 conjugacy classes of subgroups — too many to draw. Only its 199 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) = 28
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 28 points:

(2,4)(7,11)(9,12)(13,14)(15,17)(16,18)(19,20)(21,22,25,28)(23,24,27,26);(5,6,8,10)(7,9,11,12)(13,14,16,18)(15,17,20,19)(21,23)(22,26)(24,28)(25,27);(1,2,3,4)(5,6)(7,9)(8,10)(11,12)(13,14)(15,19)(16,18)(17,20)(21,23)(22,24)(25,27)(26,28);(5,7,8,11)(6,9,10,12)(13,15)(14,17)(16,20)(18,19)(21,24)(22,27)(23,28)(25,26)

Polycyclic presentation:

2^8|a^2=egh,b^2=g,c^2=f,d^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^c=de

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#102912, #102922, #102932, …
maximal normal subgroup of#102912, #102922, #102932, …
maximal quotient of#155847, #155850, #156440, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10068);