Finite Group Databasebeta
Cayley diagram

#31515

order256
nilpotency class3
isoclinismisoclinic class of #30412
automorphismAut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

368 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^8|a^2=h,b^2=efh,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=defh,c^b=cg,d^b=de,g^b=gh,g^c=gh

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#6632673, #6632678, #6632684, …
maximal normal subgroup of#6632673, #6632678, #6632684, …
maximal quotient of#383503, #384056, #384410, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 24503);