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 | #2828 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
773 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)(3,5)(4,6)(7,8)(9,10,12,14)(11,15,16,13)(17,18,22,19)(20,23,27,25)(21,26,29,24)(28,31,32,30);(4,8)(6,7)(9,10,12,14)(11,13,16,15)(18,19)(20,27)(21,29)(30,31);(2,3)(6,7)(9,10)(11,13)(12,14)(15,16)(17,19,22,18)(20,23,27,25)(21,26,29,24)(28,30,32,31);(1,3,5,2)(4,7,8,6)(9,11,12,16)(10,13,14,15)(17,20)(18,23)(19,25)(21,28)(22,27)(24,30)(26,31)(29,32);(1,4)(2,6)(3,7)(5,8)(17,21,22,29)(18,24,19,26)(20,28,27,32)(23,30,25,31)Polycyclic presentation:
2^8|a^2=h,b^2=fh,c^2=f,d^2=g,e^2=f,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×#55749, #8103020, #8103183, … |
| maximal normal subgroup of | C2×#55749, #8103020, #8103183, … |
| maximal quotient of | #586219, #586832, #586961, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 48737);