Finite Group Databasebeta
Cayley diagram

#20929

order256
nilpotency class3
isoclinismisoclinic class of #3008
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×AGL(1,ℤ/8)C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

977 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 24 points:

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

Polycyclic presentation:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#359546, #364578, #364580, …
maximal normal subgroup of#359546, #364578, #364580, …
maximal quotient of#193541, #193559, #193582, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13917);