Finite Group Databasebeta
Cayley diagram

#13646

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) = C22×C8×#120 (order 1024) · Inn(G) = C23 · Out(G) = C24×C8
homologyAbelianization (H1) = C22×C16 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, Frattini, cosocleC2×C16C23
commutator, socleC22C22×C16
prime radicalC2×D4C16
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C16 ◁ G
LECSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1

101 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 128

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

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

Polycyclic presentation:

2^8|a^2=e,c^2=e,e^2=f,f^2=g,g^2=h,b^a=bd,c^a=ch,c^b=ch

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94604, #151071, #151074, …
maximal normal subgroup of#94604, #151071, #151074, …
maximal quotient of#151071, #151090, #151092, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 6634);