Finite Group Databasebeta
Cayley diagram

#17415

order256
nilpotency class3
isoclinismisoclinic class of #17411
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×C22⋊C4
commutatorC23C23×C4
Frattini, cosocleC22×C4C24
prime radicalC2×#553C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C22 ▷ C1

504 conjugacy classes of subgroups; only the 179 normal subgroups are shown.

normal subgroups only

This group has 504 conjugacy classes of subgroups — too many to draw. Only its 179 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=f,c^2=gh,d^2=h,f^2=h,b^a=be,e^a=eg,f^b=fg,d^c=dh

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#138797, #138799, #138813, …
maximal normal subgroup of#138797, #138799, #138813, …
maximal quotient of#164138, #164140, #164141, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10403);