Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #29742 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C43 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
288 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2,4,5)(3,6,7,8)(9,10)(11,14)(12,13)(15,16)(17,18)(19,22)(20,23)(21,24)(25,29)(26,32)(27,31)(28,30);(2,5)(6,8)(17,19,25,26,20,27,21,28)(18,22,29,32,23,31,24,30);(1,3,4,7)(2,6,5,8)(10,13)(14,16)(18,23)(19,26)(21,25)(22,30)(27,28)(31,32);(3,7)(6,8)(9,11,12,15)(10,14,13,16)(19,27)(22,31)(26,28)(30,32)Polycyclic presentation:
2^8|a^2=e,b^2=gh,c^2=e,d^2=fh,g^2=h,b^a=be,c^a=cf,c^b=cg,d^b=dh,d^c=de,g^c=gh40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#30387, #6434393, #6434399, … |
| maximal normal subgroup of | C2×#30387, #6434393, #6434399, … |
| maximal quotient of | #380915, #380917, #380941, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 23375);