Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #36702 |
| automorphism | Aut(G) order 131072 |
| 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 | #2619 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
842 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2)(3,7)(4,5)(6,8)(10,12)(11,15)(20,27)(24,29)(26,31)(30,32);(2,5)(6,7)(9,10,13,12)(11,16,15,14)(18,22)(19,25)(24,29)(26,31);(1,2)(3,6)(4,5)(7,8)(9,11,13,15)(10,14,12,16)(17,18,21,22)(19,23,25,28)(20,24,27,29)(26,30,31,32);(1,3,4,8)(2,6,5,7)(9,12,13,10)(11,16,15,14)(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=fh,b^a=bf,c^a=cg,d^a=df,e^a=efh,c^b=ch,d^b=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | #133175, #133180, #251737, … |
| maximal normal subgroup of | #133175, #133180, #251737, … |
| maximal quotient of | #553761, #553797, #553990, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 30420);