Finite Group Databasebeta
Cayley diagram

#20710

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, cosocleC24C24
socleC2C2×#381
prime radicalC22×#41C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C23×C4 ◁ G
LECSG ▷ C24 ▷ C2 ▷ C1

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

normal subgroups only

This group has 638 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)(3,11,14,7)(4,15)(5,9)(6,10)(8,17)(12,19,26,23)(13,24,27,20)(16,28)(18,22)(21,29)(25,30,32,31);(1,3)(2,7)(4,12)(5,13)(6,14)(8,19)(9,20)(10,11)(15,23)(16,25)(17,26)(18,27)(21,30)(22,24)(28,31)(29,32);(1,4)(2,8,10,15)(3,12)(5,16)(6,17)(7,19,11,23)(9,21,22,28)(13,25)(14,26)(18,29)(20,30,24,31)(27,32);(1,5,6,18)(2,9,10,22)(3,13,14,27)(4,16,17,29)(7,20,11,24)(8,21,15,28)(12,25,26,32)(19,30,23,31)

Polycyclic presentation:

2^8|a^2=g,c^2=e,d^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#146498, #146502, #147613, …
maximal normal subgroup of#146498, #146502, #147613, …
maximal quotient of#190012, #190014, #190015, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13698);