Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2403 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C29 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C22×C4 | C24 |
| commutator, Frattini, socle, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1789 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 16 points:
(1,2)(3,4)(9,10)(11,14)(12,13)(15,16);(2,4)(6,7);(5,6,8,7)(10,13)(14,16);(5,7,8,6);(9,11,12,15)(10,14,13,16)Polycyclic presentation:
2^8|c^2=h,d^2=h,e^2=g,b^a=bf,c^a=cg,c^b=ch,d^b=dh76 conjugacy classes — view the full character table.
| maximal subgroup of | #115379, #115381, #115664, … |
| maximal normal subgroup of | #115379, #115381, #115664, … |
| maximal quotient of | #514100, #514208, #514250, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 27923);