Finite Group Databasebeta
Cayley diagram

#12909

order256
nilpotency class4
isoclinismisoclinic class of #2215
automorphismAut(G) order 32768
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×D8
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
socleC22C2×#107
prime radicalC23C2×Q16
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C42 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

157 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:

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

Polycyclic presentation:

2^8|a^2=f,b^2=dg,c^2=e,d^2=gh,f^2=h,g^2=h,b^a=bd,c^a=ce,d^a=dg,g^a=gh

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#94353, #94354, #94357, …
maximal normal subgroup of#94353, #94354, #94357, …
maximal quotient of#135724, #135725, #135726, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5897);