Finite Group Databasebeta
Cayley diagram

C2×#3111 #60543

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 65536
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3111

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#449C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1091 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 26 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#196096, #196105, #196114, …
maximal normal subgroup of#196096, #196105, #196114, …
maximal quotient ofC2×#20742, C2×#21121, C2×#21122, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53531);