Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #58990 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | #2416 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1154 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 20 points:
(6,10)(8,12)(13,14,18,19)(15,17,16,20);(2,4)(5,6,9,10)(7,8,11,12)(14,19)(15,16);(13,15,18,16)(14,20,19,17);(1,2)(3,4)(5,7,9,11)(6,8,10,12)(13,16,18,15)(14,17,19,20);(5,8)(6,11)(7,10)(9,12)(13,17)(14,15)(16,19)(18,20)Polycyclic presentation:
2^8|a^2=g,b^2=fg,c^2=g,d^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 | #6998976, #6998980, #6999040, … |
| maximal normal subgroup of | #6998976, #6998980, #6999040, … |
| maximal quotient of | #531650, #531656, #532029, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 52064);