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 | |
755 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,5,3)(4,7,8,6)(9,10)(11,16)(12,15)(13,14)(18,22)(19,25)(24,29)(27,31);(2,3)(6,7)(9,11)(10,15)(12,14)(13,16)(20,28)(24,29)(27,31)(30,32);(11,12)(15,16)(17,18,21,22)(19,26,25,23)(20,24,28,29)(27,32,31,30);(1,3,5,2)(4,7,8,6)(9,12,14,11)(10,15,13,16)(17,19,21,25)(18,23,22,26)(20,27,28,31)(24,30,29,32);(1,4)(2,6)(3,7)(5,8)(9,13,14,10)(11,15,12,16)(17,20,21,28)(18,24,22,29)(19,27,25,31)(23,30,26,32)Polycyclic presentation:
2^8|a^2=fh,c^2=g,d^2=fg,e^2=gh,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×#58929, #8105243, #8105279, … |
| maximal normal subgroup of | C2×#58929, #8105243, #8105279, … |
| maximal quotient of | #585478, #585696, #585840, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 51917);