Finite Group Databasebeta
Cayley diagram

#27608

order256
nilpotency class3
isoclinismisoclinic class of #23924
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×#41 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

444 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 444 conjugacy classes of subgroups — too many to draw. Only its 119 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)(3,6)(4,5)(7,8)(9,10,12,14)(11,13,15,16)(17,18)(19,29)(20,24)(21,28)(22,27)(23,26)(25,31)(30,32);(2,5)(6,8)(9,11)(10,13)(12,15)(14,16)(17,19,22,20)(18,24,27,29)(21,31,23,30)(25,28,32,26);(1,3,4,7)(2,6,5,8)(11,15)(13,16)(17,20,22,19)(18,25,27,32)(21,31,23,30)(24,28,29,26);(2,5)(6,8)(17,21,22,23)(18,26,27,28)(19,30,20,31)(24,32,29,25)

Polycyclic presentation:

2^8|a^2=g,b^2=h,c^2=e,d^2=h,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=cg,d^b=dh,f^c=fh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#123014, #123015, #123024, …
maximal normal subgroup of#123014, #123015, #123024, …
maximal quotient of#359822, #366408, #370005, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 20596);