Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #58990 |
| automorphism | Aut(G) order 262144 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1002 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 20 points:
(5,6,9,12)(7,11,8,10)(15,16)(18,19);(2,4)(5,7,9,8)(6,10,12,11)(13,14,17,20)(15,19,16,18);(13,15,17,16)(14,18,20,19);(1,2,3,4)(13,16,17,15)(14,19,20,18);(5,8,9,7)(6,11,12,10)Polycyclic presentation:
2^8|a^2=f,b^2=fg,c^2=g,d^2=h,e^2=f,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=cg,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #97501, #98698, #98701, … |
| maximal normal subgroup of | #97501, #98698, #98701, … |
| maximal quotient of | #531807, #531816, #532399, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 52816);