Finite Group Databasebeta
Cayley diagram

#15198

order256
nilpotency class2
isoclinismisoclinic class of #14715
automorphismAut(G) order 393216
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

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

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

normal subgroups only

This group has 533 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) = 32
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 32 points:

(3,7)(6,8)(9,10)(11,13)(12,15)(14,16)(17,18,20,22)(19,23,24,21)(26,28)(30,31);(2,5)(6,8)(10,11)(14,15)(17,18,20,22)(19,21,24,23)(25,26,29,28)(27,30,32,31);(1,2)(3,6)(4,5)(7,8)(9,11,13,10)(12,15,16,14)(17,18)(19,21)(20,22)(23,24)(25,27,29,32)(26,30,28,31);(1,3,4,7)(2,6,5,8)(9,12,13,16)(10,14,11,15)(17,19,20,24)(18,21,22,23)(25,28,29,26)(27,31,32,30)

Polycyclic presentation:

2^8|a^2=efgh,b^2=ef,c^2=e,d^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#15198⋊C3
maximal subgroup of#401975, #401976, #401979, …
maximal normal subgroup of#401975, #401976, #401979, …
maximal quotient of#154173, #154397, #154421, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 8186);