Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| automorphism | Aut(G) order 65536 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
815 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(2,6)(3,8)(10,14)(15,16)(20,27)(24,29)(26,31)(30,32);(1,2,5,6)(3,7,8,4)(9,10)(11,15)(12,16)(13,14)(18,22)(19,25)(24,29)(26,31);(1,3)(2,7)(4,6)(5,8)(9,11,13,12)(10,15,14,16)(17,18,21,22)(19,23,25,28)(20,24,27,29)(26,30,31,32);(1,4,5,7)(2,3,6,8)(9,12,13,11)(10,16,14,15)(17,19)(18,23)(20,26)(21,25)(22,28)(24,30)(27,31)(29,32);(17,20,21,27)(18,24,22,29)(19,26,25,31)(23,30,28,32)Polycyclic presentation:
2^8|b^2=g,c^2=fgh,d^2=f,e^2=h,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #208581, #208582, #208584, … |
| maximal normal subgroup of | #208581, #208582, #208584, … |
| maximal quotient of | #516449, #516472, #516603, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 28328);