Finite Group Databasebeta
Cayley diagram

#20708

order256
nilpotency class3
isoclinismisoclinic class of #20671
automorphismAut(G) order 16384
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC4C2×#117
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
socleC2C2×#381
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C4 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

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

normal subgroups only

This group has 630 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)(3,11,13,7)(4,15,17,30)(5,10)(6,9)(8,16,21,31)(12,25)(14,24,28,20)(18,22)(19,27)(23,32)(26,29);(1,3)(2,7)(4,12)(5,14)(6,13)(8,19)(9,11)(10,20)(15,29)(16,27)(17,26)(18,28)(21,23)(22,24)(25,30)(31,32);(1,4)(2,8,9,21)(3,12)(5,16)(6,17)(7,19,11,23)(10,15,22,30)(13,26)(14,27)(18,31)(20,29,24,25)(28,32);(3,13)(7,11)(12,26)(14,28)(19,23)(20,24)(25,29)(27,32)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147612, #147613, #147614, …
maximal normal subgroup of#147612, #147613, #147614, …
maximal quotient of#189989, #189990, #189994, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13696);