Finite Group Databasebeta
Cayley diagram

#17974

order256
nilpotency class3
isoclinismisoclinic class of #3057
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socleC22C2×C4×D4
prime radical#466C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ #431 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

296 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=g,c^2=f,d^2=g,e^2=g,f^2=h,b^a=be,d^a=dgh,e^a=eg,d^b=dh,e^b=eg,d^c=dg

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#135119, #135122, #135149, …
maximal normal subgroup of#135119, #135122, #135149, …
maximal quotient of#182468, #183641, #183898, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10962);