Finite Group Databasebeta
Cayley diagram

C2×#3398 #61395

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3398

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×D4C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

953 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);(4,8)(9,10)(11,12,15,19)(13,16,20,24)(14,17,22,18)(21,25,26,23);(3,4,7,8)(5,9,6,10)(11,13)(12,16)(14,21)(15,20)(17,25)(18,23)(19,24)(22,26);(3,5,7,6)(4,9,8,10)(12,17)(13,20)(14,22)(16,23)(18,19)(24,25);(3,6,7,5)(4,9,8,10)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#220426, #220798, #220870, …
maximal normal subgroup of#220426, #220798, #220870, …
maximal quotient ofC2×#22544, C2×#22547, C2×#22728, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54383);