Finite Group Databasebeta
Cayley diagram

#28223

order256
nilpotency class3
isoclinismisoclinic class of #24264
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radical#2537C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×D4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

533 conjugacy classes of subgroups; only the 151 normal subgroups are shown.

normal subgroups only

This group has 533 conjugacy classes of subgroups — too many to draw. Only its 151 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) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 16 points:

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

Polycyclic presentation:

2^8|b^2=eg,d^2=e,e^2=h,b^a=be,c^a=cf,d^a=de,e^a=eh,c^b=cg

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#264043, #264044, #264049, …
maximal normal subgroup of#264043, #264044, #264049, …
maximal quotient of#318003, #318009, #318010, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 21211);