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 | |
615 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)(3,9)(4,6)(5,12)(7,11)(8,13)(10,14)(15,16)(17,18,22,21)(19,25,26,23)(20,28,29,24)(27,30,32,31)(33,34)(35,42)(36,39)(37,45)(38,41)(40,46)(43,47)(44,48);(2,4)(5,13)(7,9)(10,16)(19,26)(23,25)(27,32)(30,31)(33,35,38,36)(34,39,41,42)(37,43,46,44)(40,47,45,48);(1,3,6,11)(2,7,4,9)(5,10,13,16)(8,14,12,15)(17,19,22,26)(18,23,21,25)(20,27,29,32)(24,30,28,31)(33,36,38,35)(34,39,41,42)(37,44,46,43)(40,47,45,48);(1,4,6,2)(3,7,11,9)(5,12,13,8)(10,14,16,15)(17,20,22,29)(18,24,21,28)(19,27,26,32)(23,30,25,31)(33,34)(35,42)(36,39)(37,40)(38,41)(43,48)(44,47)(45,46);(1,5)(2,8)(3,10)(4,12)(6,13)(7,14)(9,15)(11,16)(17,21,22,18)(19,25,26,23)(20,28,29,24)(27,31,32,30)(33,37,38,46)(34,40,41,45)(35,43,36,44)(39,47,42,48)Polycyclic presentation:
2^8|a^2=h,b^2=fgh,c^2=fh,d^2=g,e^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×#57896, #8101568, #8101959, … |
| maximal normal subgroup of | C2×#57896, #8101568, #8101959, … |
| maximal quotient of | #585794, #586100, #586616, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 50884);