Finite Group Databasebeta
Cayley diagram

C2×#3104 #60531

order256
nilpotency class3
isoclinismisoclinic class of #447
automorphismAut(G) order 262144
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3104

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutator, Frattini, cosocleC2×C4C25
socleC23C22×D4
prime radicalC24C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1069 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)(11,12,15,18)(13,19,21,26)(14,22,24,17)(16,23,25,20);(4,7)(8,10);(11,13,15,21)(12,16,18,25)(14,23,24,20)(17,26,22,19);(3,5,6,9)(4,8,7,10)

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111764, #111782, #111866, …
maximal normal subgroup of#111764, #111782, #111866, …
maximal quotient ofC2×#20734, C2×#21119, C2×#21358, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53519);