Finite Group Databasebeta
Cayley diagram

C2×#3174 #60678

order256
nilpotency class3
isoclinismisoclinic class of #3057
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3174

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#540C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C2×#117 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

985 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)(13,19)(14,21)(16,22)(18,24)(20,25)(23,26);(4,7)(8,10)(11,12,15,17)(13,16,20,23)(14,18,21,24)(19,22,25,26);(11,13,14,19,15,20,21,25)(12,16,18,22,17,23,24,26);(3,5,6,9)(4,8,7,10)(12,17)(16,23)(18,24)(22,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#129977, #130048, #220203, …
maximal normal subgroup of#129977, #130048, #220203, …
maximal quotient ofC2×#20820, C2×#21280, C2×#21291, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53666);