Finite Group Databasebeta
Cayley diagram

C2×#3116 #60539

order256
nilpotency class3
isoclinismisoclinic class of #3003
automorphismAut(G) order 131072
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3116

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1075 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)(11,12,16,20)(13,17,23,26)(14,19,15,18)(21,25,22,24);(4,7)(8,10)(11,13,16,23)(12,17,20,26)(14,21,15,22)(18,24,19,25);(12,18)(14,15)(17,24)(19,20)(21,22)(25,26);(3,5,6,9)(4,8,7,10)(11,14,16,15)(12,19,20,18)(13,21,23,22)(17,25,26,24)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111752, #111794, #111878, …
maximal normal subgroup of#111752, #111794, #111878, …
maximal quotient ofC2×#20743, C2×#21121, C2×#21123, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53527);