Finite Group Databasebeta
Cayley diagram

C2×#2483 #34746

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#2483

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC26C22
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

2191 conjugacy classes of subgroups; only the 567 normal subgroups are shown.

normal subgroups only

This group has 2191 conjugacy classes of subgroups — too many to draw. Only its 567 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 22 points:

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111460, #115136, #129407, …
maximal normal subgroup of#111460, #115136, #129407, …
maximal quotient ofC2×#13869, C2×#13992, C2×#14040, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27734);