Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #17392 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C22×C22⋊C4 |
| commutator | C23 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
496 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)(3,9,11,6)(4,7)(5,8)(10,15,16,13)(12,14)(17,18,21,26,22,25,20,24)(19,23,27,30,28,31,29,32);(1,3)(2,6)(4,10)(5,11)(7,13)(8,9)(12,16)(14,15)(17,19)(18,23)(20,29)(21,27)(22,28)(24,32)(25,31)(26,30);(17,20,22,21)(18,24,25,26)(19,27,28,29)(23,30,31,32);(1,4,5,12)(2,7,8,14)(3,10,11,16)(6,13,9,15)(18,25)(23,31)(24,26)(30,32)Polycyclic presentation:
2^8|a^2=f,c^2=h,d^2=g,f^2=h,b^a=be,d^a=dh,e^a=eg,c^b=ch,f^b=fg52 conjugacy classes — view the full character table.
| maximal subgroup of | #105759, #106100, #107171, … |
| maximal normal subgroup of | #105759, #106100, #107171, … |
| maximal quotient of | #162581, #162582, #162586, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 10387);