Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #14715 |
| automorphism | Aut(G) order 524288 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C24 | C24 |
| LCS | G ▷ C24 ▷ C1 | |
| UCS | C1 ◁ C24 ◁ G | |
| LECS | G ▷ C24 ▷ C1 | |
867 conjugacy classes of subgroups; only the 247 normal subgroups are shown.
This group has 867 conjugacy classes of subgroups — too many to draw. Only its 247 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 20 points:
(5,6,8,7)(10,11)(15,20)(16,18);(2,4)(6,7)(9,10,12,11)(13,14,17,19)(15,18,20,16);(1,2)(3,4)(5,7,8,6)(9,11,12,10)(13,15)(14,18)(16,19)(17,20);(13,16,17,18)(14,15,19,20)Polycyclic presentation:
2^8|a^2=efh,b^2=f,c^2=e,d^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg64 conjugacy classes — view the full character table.
| maximal subgroup of | #104070, #104072, #104102, … |
| maximal normal subgroup of | #104070, #104072, #104102, … |
| maximal quotient of | #154172, #154395, #154419, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 8176);