Finite Group Databasebeta
Cayley diagram

C2×#3248 #60897

order256
nilpotency class3
isoclinismisoclinic class of #3186
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3248

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#121C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

965 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);(4,7)(5,9)(11,12,15,19)(13,16,21,25)(14,17,22,18)(20,23,26,24);(3,4)(5,8)(6,7)(9,10)(11,13,15,21)(12,16,19,25)(14,20,22,26)(17,23,18,24);(4,7)(8,10)(12,17)(14,22)(16,23)(18,19)(20,26)(24,25);(3,5,6,9)(4,8,7,10)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#112406, #112426, #112492, …
maximal normal subgroup of#112406, #112426, #112492, …
maximal quotient ofC2×#21887, C2×#21889, C2×#21962, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53885);