Finite Group Databasebeta
Cayley diagram

#33531

order256
nilpotency class4
isoclinismisoclinic class of #33531
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC2C2×#447
commutator, Frattini, cosocleC2×C8C24
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2 ◁ C22×C4 ◁ C2×#131 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

561 conjugacy classes of subgroups; only the 125 normal subgroups are shown.

normal subgroups only

This group has 561 conjugacy classes of subgroups — too many to draw. Only its 125 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) = 32

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#142616, #142617, #142620, …
maximal normal subgroup of#142616, #142617, #142620, …
maximal quotient of#484199, #484201, #484546, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26519);