Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #29592 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
410 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,6)(4,5)(7,8)(9,10)(11,15)(12,13)(14,16)(17,18,21,24)(19,22,27,31)(20,23,28,32)(25,29,26,30);(2,5)(6,8)(10,13)(14,15)(17,19,21,27)(18,22,24,31)(20,25,28,26)(23,29,32,30);(3,7)(6,8)(9,11)(10,14)(12,16)(13,15)(19,25)(20,28)(22,29)(23,32)(26,27)(30,31);(1,3,4,7)(2,6,5,8)(11,16)(14,15)Polycyclic presentation:
2^8|a^2=h,b^2=h,d^2=ef,g^2=h,b^a=be,c^a=cf,c^b=cg,g^b=gh,d^c=de,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#30114, #6433433, #6433444, … |
| maximal normal subgroup of | C2×#30114, #6433433, #6433444, … |
| maximal quotient of | #380412, #380414, #380440, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 23102);