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 | |
667 conjugacy classes of subgroups.
| minimal degree | μ(G) = 48 |
| transitive degree | μt(G) = 128 |
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)(17,18,22,23)(19,20,27,24)(21,29,30,25)(26,31,32,28)(33,34,39,37)(35,42,36,40)(38,45,46,41)(43,47,44,48);(2,6)(3,9)(4,13)(14,16)(18,23)(20,24)(21,30)(26,32)(33,35,39,36)(34,40,37,42)(38,43,46,44)(41,47,45,48);(1,3,5,9)(2,7,6,10)(4,11,13,15)(8,14,12,16)(17,19,22,27)(18,24,23,20)(21,26,30,32)(25,31,29,28)(33,36,39,35)(34,40,37,42)(38,44,46,43)(41,47,45,48);(1,2)(3,10)(4,8)(5,6)(7,9)(11,16)(12,13)(14,15)(17,20,22,24)(18,19,23,27)(21,28,30,31)(25,26,29,32)(33,37,39,34)(35,40,36,42)(38,45,46,41)(43,47,44,48);(1,4)(2,8)(3,11)(5,13)(6,12)(7,14)(9,15)(10,16)(17,21,22,30)(18,25,23,29)(19,26,27,32)(20,28,24,31)(33,38)(34,41)(35,43)(36,44)(37,45)(39,46)(40,47)(42,48)Polycyclic presentation:
2^8|a^2=fh,b^2=fgh,c^2=f,d^2=fh,e^2=g,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×#58459, #8104286, #8104369, … |
| maximal normal subgroup of | C2×#58459, #8104286, #8104369, … |
| maximal quotient of | #586548, #586620, #586621, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 51447);