| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4×H(5,𝔽2) |
| automorphism | ? |
| homology | Abelianization (H1) = C26 · Schur multiplier (H2) = C214 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C22 | C26 |
| LCS | G ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ G | |
| LECS | G ▷ C22 ▷ C1 | |
5580 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 6 generators on 20 points:
(2,4)(5,6,10,11)(7,9,13,18)(8,12,17,19)(14,16,15,20);(1,2)(3,4);(6,11)(9,18)(12,19)(16,20);(5,7,10,13)(6,9,11,18)(8,15,17,14)(12,20,19,16);(5,8,10,17)(6,12,11,19)(7,14,13,15)(9,16,18,20);(5,9)(6,13)(7,11)(8,16)(10,18)(12,15)(14,19)(17,20)Polycyclic presentation:
2^8|a^2=h,d^2=h,e^2=h,b^a=bg,c^a=ch,f^c=fh,e^d=eh85 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55990);