Finite Group Databasebeta
Cayley diagram

#20513

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC4C22×C42
Frattini, cosocleC22×C4C24
socleC22C2×C4×D4
prime radicalC2×#135C22
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×#97 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

499 conjugacy classes of subgroups; only the 291 normal subgroups are shown.

normal subgroups only

This group has 499 conjugacy classes of subgroups — too many to draw. Only its 291 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 — 4 generators on 36 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=g,d^2=f,e^2=h,f^2=h,b^a=be,c^a=ch,e^a=eh,e^b=eh,d^c=dh

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#134392, #138726, #138727, …
maximal normal subgroup of#134392, #138726, #138727, …
maximal quotient of#183877, #183878, #183879, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13501);