Finite Group Databasebeta
Cayley diagram

#15258

order256
nilpotency class2
isoclinismisoclinic class of #15257
automorphismAut(G) order 786432
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C28×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC24C24
LCSG ▷ C24 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C24 ▷ C1

2567 conjugacy classes of subgroups; only the 247 normal subgroups are shown.

normal subgroups only

This group has 2567 conjugacy classes of subgroups — too many to draw. Only its 247 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) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 16 points:

(2,4)(6,8)(10,12)(14,16);(5,6,7,8)(13,14,15,16);(9,10)(11,12)(13,14)(15,16);(1,2)(3,4)(5,6)(7,8)(9,10)(11,12)(13,14)(15,16)

Polycyclic presentation:

2^8|b^2=e,b^a=be,c^a=cf,d^a=dh,c^b=cg,d^b=de

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#15258⋊C3, #72235201, #72235289
maximal subgroup of#139504, #139718, #139790, …
maximal normal subgroup of#139504, #139718, #139790, …
maximal quotient of#154671, #154763, #155022, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 8246);