Finite Group Databasebeta
Cayley diagram

#17752

order256
nilpotency class3
isoclinismisoclinic class of #17577
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
prime radical#3444C2
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C22×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

532 conjugacy classes of subgroups; only the 195 normal subgroups are shown.

normal subgroups only

This group has 532 conjugacy classes of subgroups — too many to draw. Only its 195 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=f,c^2=h,d^2=g,e^2=h,f^2=gh,b^a=be,c^a=ch,d^a=dg,e^a=eg,e^b=eh,f^b=fgh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107482, #107561, #107597, …
maximal normal subgroup of#107482, #107561, #107597, …
maximal quotient of#160579, #160590, #160629, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10740);