Finite Group Databasebeta
Cayley diagram

#10766

order256
nilpotency class3
isoclinismisoclinic class of #1795
automorphismAut(G) order 32768
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4#379
commutatorC2×C4C2×C42
Frattini, cosocleC23×C4C23
socleC2C22⋊#95
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C2 ▷ C1

590 conjugacy classes of subgroups; only the 173 normal subgroups are shown.

normal subgroups only

This group has 590 conjugacy classes of subgroups — too many to draw. Only its 173 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 — 3 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,d^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dh,e^a=eh,d^b=dh,f^c=fh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146673, #146685, #146697, …
maximal normal subgroup of#146673, #146685, #146697, …
maximal quotient of#105598, #105599, #105602, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 3754);