Finite Group Databasebeta
Cayley diagram

C2×#3117 #60540

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

Aliases

direct productC2×#3117

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
prime radicalC2×#121C22
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)(13,19)(14,16)(15,23)(17,21)(18,22)(20,26)(24,25);(4,7)(8,10)(12,16)(17,25)(18,23)(19,26);(11,13,14,20)(12,17,16,25)(15,24,22,21)(18,26,23,19);(3,5,6,9)(4,8,7,10)(13,20)(17,25)(19,26)(21,24)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#114570, #115001, #115287, …
maximal normal subgroup of#114570, #115001, #115287, …
maximal quotient ofC2×#20741, C2×#21123, C2×#21124, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53528);