Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #45438 |
| 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 | |
750 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(2,3)(6,7)(10,13)(14,16)(17,18,22,25)(19,20,27,23)(21,29,31,24)(26,32,30,28);(2,3)(4,8)(17,19,22,27)(18,23,25,20)(21,30,31,26)(24,28,29,32);(1,2,5,3)(4,6,8,7)(9,10)(11,14)(12,13)(15,16)(17,19)(18,20)(21,26)(22,27)(23,25)(24,28)(29,32)(30,31);(1,3,5,2)(4,7,8,6)(9,11,12,15)(10,14,13,16)(17,20)(18,19)(21,28)(22,23)(24,26)(25,27)(29,30)(31,32);(1,4)(2,6)(3,7)(5,8)(17,21,22,31)(18,24,25,29)(19,26,27,30)(20,28,23,32)Polycyclic presentation:
2^8|a^2=f,b^2=f,c^2=fh,d^2=g,e^2=f,b^a=bf,c^a=cg,d^a=dh,e^a=ef,c^b=ch,d^b=dfh,e^b=eh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#45831, #7702451, #7702507, … |
| maximal normal subgroup of | C2×#45831, #7702451, #7702507, … |
| maximal quotient of | #557142, #557217, #557425, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 38819);