Finite Group Databasebeta
Cayley diagram

C2×#2381 #34345

order256
nilpotency class2
isoclinismisoclinic class of #560
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C27×C4

Aliases

direct productC2×#2381

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutatorC22C24×C4
Frattini, cosocleC23C25
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1163 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 30
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 30 points:

(1,2);(3,4,5,6)(8,11)(9,13)(16,20)(17,23)(22,25)(24,29);(8,11)(12,14)(15,16,19,20)(17,21,23,27)(18,25,26,22)(24,30,29,28);(7,8,10,11)(9,12,13,14)(15,17)(16,21)(18,24)(19,23)(20,27)(22,28)(25,30)(26,29);(7,9)(8,12)(10,13)(11,14)(15,18,19,26)(16,22,20,25)(17,24,23,29)(21,28,27,30)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#107750, #107751, #146632, …
maximal normal subgroup of#107750, #107751, #146632, …
maximal quotient ofC2×#13830, C2×#13833, C2×#13834, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27333);