Finite Group Databasebeta
Cayley diagram

#19315

order256
nilpotency class3
isoclinismisoclinic class of #19304
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC42C24
prime radicalC2×#41D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

299 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 299 conjugacy classes of subgroups — too many to draw. Only its 111 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) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

37 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#268287, #268294, #268317, …
maximal normal subgroup of#268287, #268294, #268317, …
maximal quotient of#189124, #197812, #197813, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12303);