Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #37644 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1925 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 16 points:
(6,8)(9,10,13,12)(11,15,16,14);(2,3)(10,12)(14,15);(1,2,4,3)(5,6,7,8);(9,11,13,16)(10,14,12,15);(1,3,4,2)(9,12,13,10)(11,15,16,14)Polycyclic presentation:
2^8|a^2=f,c^2=gh,d^2=f,e^2=fh,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh58 conjugacy classes — view the full character table.
| maximal subgroup of | #98386, #130764, #130773, … |
| maximal normal subgroup of | #98386, #130764, #130773, … |
| maximal quotient of | #521430, #522147, #522703, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 32349);