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, prime radical, cosocle | C23 | C25 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
611 conjugacy classes of subgroups.
| minimal degree | μ(G) = 48 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 5 generators on 48 points:
(1,2)(3,7)(4,12)(5,6)(8,13)(9,10)(11,16)(14,15)(17,18,22,25)(19,20,27,23)(21,24,29,31)(26,28,32,30)(33,34,39,41)(35,42,36,37)(38,46,47,40)(43,45,44,48);(2,6)(3,9)(4,13)(14,16)(21,29)(24,31)(26,32)(28,30)(33,35,39,36)(34,37,41,42)(38,43,47,44)(40,45,46,48);(1,2)(3,10)(4,8)(5,6)(7,9)(11,16)(12,13)(14,15)(17,19,22,27)(18,23,25,20)(21,26,29,32)(24,30,31,28)(33,36,39,35)(34,37,41,42)(38,44,47,43)(40,45,46,48);(1,3)(2,7)(4,11)(5,9)(6,10)(8,14)(12,16)(13,15)(17,20,22,23)(18,19,25,27)(21,28,29,30)(24,26,31,32)(33,37)(34,35)(36,41)(38,45)(39,42)(40,43)(44,46)(47,48);(1,4,5,13)(2,8,6,12)(3,11,9,15)(7,14,10,16)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)(33,38,39,47)(34,40,41,46)(35,43,36,44)(37,45,42,48)Polycyclic presentation:
2^8|a^2=fgh,b^2=fh,c^2=fgh,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×#57692, #8101754, #8101953, … |
| maximal normal subgroup of | C2×#57692, #8101754, #8101953, … |
| maximal quotient of | #586222, #587118, #587246, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 50680);