Finite Group Databasebeta
Cayley diagram

#33018

order256
nilpotency class3
isoclinismisoclinic class of #32884
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC23×D4C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

716 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 716 conjugacy classes of subgroups — too many to draw. Only its 143 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) = 28
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 28 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#249917, #249921, #249934, …
maximal normal subgroup of#249917, #249921, #249934, …
maximal quotient of#349969, #349970, #350178, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26006);