Finite Group Databasebeta
Cayley diagram

C2×#3402 #61399

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

Aliases

direct productC2×#3402

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×D8C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×C4×Q8 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

969 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)(11,12,16,19)(13,20,21,26)(14,18,15,23)(17,24,25,22);(3,4,7,8)(5,9,6,10)(13,21)(17,25)(20,26)(22,24);(3,5,7,6)(4,9,8,10)(11,13)(12,17)(14,22)(15,24)(16,21)(18,26)(19,25)(20,23);(3,6,7,5)(4,9,8,10)(11,14,16,15)(12,18,19,23)(13,22,21,24)(17,26,25,20)

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131883, #131899, #220505, …
maximal normal subgroup of#131883, #131899, #220505, …
maximal quotient ofC2×#22548, C2×#22731, C2×#22815, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54387);