Finite Group Databasebeta
Cayley diagram

#8519

order256
nilpotency class3
isoclinismisoclinic class of #8516
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#379
commutatorC22×C4C22×C4
Frattini, cosocleC23×C4C23
prime radicalC2×#121C22
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

377 conjugacy classes of subgroups; only the 71 normal subgroups are shown.

normal subgroups only

This group has 377 conjugacy classes of subgroups — too many to draw. Only its 71 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) = 64

A minimal faithful permutation representation — 3 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=g,d^2=h,b^a=bd,c^a=ce,d^a=dg,e^a=eh,d^b=dh,f^b=fgh,f^c=fh

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#132111, #132112, #132113, …
maximal normal subgroup of#132111, #132112, #132113, …
maximal quotient of#97018, #97020, #97025, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1507);