Finite Group Databasebeta
Cayley diagram

#31554

order256
nilpotency class3
isoclinismisoclinic class of #30396
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC24C2×D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

360 conjugacy classes of subgroups; only the 117 normal subgroups are shown.

normal subgroups only

This group has 360 conjugacy classes of subgroups — too many to draw. Only its 117 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)(3,5)(4,7)(6,8)(9,10)(11,13)(12,14)(15,16)(17,18)(19,25)(20,23)(21,24)(22,27)(26,32)(28,31)(29,30);(1,3)(2,4)(5,8)(6,7)(9,11,12,15)(10,13,14,16)(19,26)(21,28)(22,30)(24,31)(25,32)(27,29);(1,4,6,5)(2,7,8,3)(10,14)(13,16)(17,19,20,27)(18,22,23,25)(21,29,28,26)(24,32,31,30);(1,5,6,4)(2,7,8,3)(10,14)(13,16)(18,23)(22,25)(24,31)(30,32)

Polycyclic presentation:

2^8|b^2=fh,c^2=eh,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=def,c^b=cg,d^b=de,g^b=gh,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#123217, #123233, #6633061, …
maximal normal subgroup of#123217, #123233, #6633061, …
maximal quotient of#383321, #384075, #384146, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 24542);