Finite Group Databasebeta
Cayley diagram

#13320

order256
nilpotency class4
isoclinismisoclinic class of #13307
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#447
commutator, Frattini, cosocleC22×C8C23
prime radicalC2×#472C2
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C2×#131 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

270 conjugacy classes of subgroups; only the 59 normal subgroups are shown.

normal subgroups only

This group has 270 conjugacy classes of subgroups — too many to draw. Only its 59 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 36 points:

(6,12)(7,17)(8,20)(9,10)(13,29)(14,21)(15,27)(16,28)(18,22)(19,25)(23,24)(26,31)(30,33)(32,35);(1,2)(3,4)(5,6,11,16)(7,13,19,32)(8,21,24,27)(9,15,10,14)(12,23,28,20)(17,33,25,31)(18,35,22,29)(26,34,30,36);(2,4)(5,7)(6,13)(8,22)(9,25)(10,17)(11,19)(12,26)(14,33)(15,31)(16,32)(18,24)(20,36)(21,29)(23,34)(27,35)(28,30)

Polycyclic presentation:

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

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#13320, #498830, #498831, …
maximal normal subgroup ofC2×#13320, #498830, #498831, …
maximal quotient of#142238, #142249, #142285, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6308);