Finite Group Databasebeta
Cayley diagram

C2×#2059 #23550

order256
nilpotency class3
isoclinismisoclinic class of #1999
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

direct productC2×#2059

Subgroups

subgroupG/H
center, socle, prime radicalC24C2×D4
commutator, Frattini, cosocleC22×C4C24
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C22×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

619 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 22 points:

(1,2);(7,8,11,13)(9,14,10,12)(15,16)(17,20)(18,21)(19,22);(3,4)(5,6)(7,9,11,10)(8,12,13,14)(15,17,19,18)(16,20,22,21);(4,6)(7,10,11,9)(8,12,13,14)(16,21)(17,18)(20,22)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×#2059, #359218, #359219, …
maximal normal subgroup ofC4×#2059, #359218, #359219, …
maximal quotient ofC2×#10571, C2×#10572, #241132, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 16538);