Finite Group Databasebeta
Cayley diagram

#18433

order256
nilpotency class3
isoclinismisoclinic class of #18414
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutator, Frattini, cosocleC22×C4C24
prime radical#121C23
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

436 conjugacy classes of subgroups; only the 113 normal subgroups are shown.

normal subgroups only

This group has 436 conjugacy classes of subgroups — too many to draw. Only its 113 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 — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=g,b^2=g,c^2=g,d^2=h,e^2=g,b^a=be,c^a=cf,d^a=dh,e^a=eg,e^b=eg,f^b=fh,d^c=dg,e^c=eh

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#250363, #250365, #250368, …
maximal normal subgroup of#250363, #250365, #250368, …
maximal quotient of#169644, #169662, #169707, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 11421);