Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #19745 |
| automorphism | Aut(G) order 98304 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#127 |
| commutator, Frattini, cosocle | C42 | C24 |
| prime radical | C2×#127 | C22 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
368 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,9)(4,13)(5,7)(6,12)(8,10)(11,15)(14,16)(17,18)(19,25)(20,22)(21,29)(23,27)(24,28)(26,31)(30,32);(1,3,10,16,5,11,4,12)(2,6,13,15,7,14,8,9)(18,22)(23,30)(24,29)(25,31);(2,7)(6,14)(8,13)(9,15)(17,19,21,27,20,26,28,32)(18,23,24,25,22,30,29,31);(3,11)(6,14)(9,15)(12,16)(19,26)(23,30)(25,31)(27,32)Polycyclic presentation:
2^8|b^2=egh,c^2=fg,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,d^b=dg,d^c=dh40 conjugacy classes — view the full character table.
| Fitting subgroup of | #19753⋊C3, #72245149 |
| maximal subgroup of | #143164, #232165, C2×#19753, … |
| maximal normal subgroup of | #143164, #232165, C2×#19753, … |
| maximal quotient of | #191534, #206322, #206324, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 12741);