Finite Group Databasebeta
Cayley diagram

#20713

order256
nilpotency class3
isoclinismisoclinic class of #1828
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4#381
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#381
prime radicalC22×#41C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

622 conjugacy classes of subgroups; only the 221 normal subgroups are shown.

normal subgroups only

This group has 622 conjugacy classes of subgroups — too many to draw. Only its 221 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#146499, #146502, #147612, …
maximal normal subgroup of#146499, #146502, #147612, …
maximal quotient of#190012, #190013, #190018, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13701);