Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #19755 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | D42 |
| commutator, Frattini, cosocle | C42 | C24 |
| prime radical | #3272 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
364 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 16 points:
(2,5)(3,8)(6,7)(10,13)(11,15)(14,16);(1,2)(3,6)(4,7)(5,8);(9,10,12,14)(11,16,15,13);(2,6)(3,8)(5,7)Polycyclic presentation:
2^8|c^2=h,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,d^b=de,e^b=eg,f^c=fh,e^d=eg40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#19803, #6358153, #6358233, … |
| maximal normal subgroup of | C2×#19803, #6358153, #6358233, … |
| maximal quotient of | #220742, #220840, #222465, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 12791);