Finite Group Databasebeta
Cayley diagram

#20617

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C28

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×2−1+4C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1805 conjugacy classes of subgroups; only the 303 normal subgroups are shown.

normal subgroups only

This group has 1805 conjugacy classes of subgroups — too many to draw. Only its 303 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:

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

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147775, #359537, #359559, …
maximal normal subgroup of#147775, #359537, #359559, …
maximal quotient of#184931, #184937, #184943, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13605);