Finite Group Databasebeta
Cayley diagram

#33137

order256
nilpotency class3
isoclinismisoclinic class of #32932
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

426 conjugacy classes of subgroups; only the 131 normal subgroups are shown.

normal subgroups only

This group has 426 conjugacy classes of subgroups — too many to draw. Only its 131 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) = 128

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

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

Polycyclic presentation:

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#265345, #265346, #265377, …
maximal normal subgroup of#265345, #265346, #265377, …
maximal quotient of#351360, #351361, #351366, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26125);