Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #58990 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| 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 | |
870 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,5,7)(3,4,8,6)(10,14)(11,16)(17,18,22,20)(19,21,24,23);(1,3,5,8)(2,6,7,4)(10,14)(11,16)(17,19,22,24)(18,23,20,21);(9,10,13,14)(11,15,16,12)(17,20,22,18)(19,21,24,23);(1,3)(2,4)(5,8)(6,7)(9,11)(10,15)(12,14)(13,16);(1,4)(2,3)(5,6)(7,8)(9,12,13,15)(10,11,14,16)(17,21)(18,19)(20,24)(22,23)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=fh,e^2=g,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 | C2×#59515, #7666043, #7666086, … |
| maximal normal subgroup of | C2×#59515, #7666043, #7666086, … |
| maximal quotient of | #532014, #532293, #532314, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 52503);