Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #53390 |
| 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 | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
756 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(9,10,12,13)(11,15,16,14)(17,18)(19,24)(20,25)(21,29)(22,23)(26,30)(27,28)(31,32);(1,2,5,6)(3,4,7,8)(10,13)(14,15)(18,23)(20,24)(26,29)(28,31);(2,6)(3,7)(9,10)(11,14)(12,13)(15,16)(17,19,22,25)(18,24,23,20)(21,27,30,32)(26,31,29,28);(1,3)(2,4)(5,7)(6,8)(9,10)(11,14)(12,13)(15,16)(17,20,22,24)(18,25,23,19)(21,28,30,31)(26,32,29,27);(1,4)(2,3)(5,8)(6,7)(9,11)(10,14)(12,16)(13,15)(17,21)(18,26)(19,27)(20,28)(22,30)(23,29)(24,31)(25,32)Polycyclic presentation:
2^8|a^2=g,b^2=gh,c^2=fg,d^2=fg,b^a=bf,c^a=cg,d^a=dg,e^a=ef,c^b=ch,d^b=df,e^b=egh,d^c=dgh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#55188, #8102090, #8102214, … |
| maximal normal subgroup of | C2×#55188, #8102090, #8102214, … |
| maximal quotient of | #585821, #586701, #587171, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 48176);