Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #62295 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | #3515 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C4×#41 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
847 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,5,8)(3,9,10,6)(4,12,13,7)(11,14,16,15)(17,18,21,24)(19,25,26,32)(20,28,29,23)(22,30,31,27);(1,3)(2,6)(4,11)(5,10)(7,14)(8,9)(12,15)(13,16);(17,19,20,27,21,26,29,30)(18,22,23,25,24,31,28,32);(3,10)(6,9)(11,16)(14,15);(1,4,5,13)(2,7,8,12)(3,11,10,16)(6,14,9,15)(19,26)(22,31)(25,32)(27,30)Polycyclic presentation:
2^8|a^2=fh,c^2=g,e^2=f,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=df,e^c=eh49 conjugacy classes — view the full character table.
| maximal subgroup of | #250441, #250445, #250449, … |
| maximal normal subgroup of | #250441, #250445, #250449, … |
| maximal quotient of | #6386895, #6389520, #6389528, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55492);