Finite Group Databasebeta
Cayley diagram

C2×#2815 #36647

order256
nilpotency class2
isoclinismisoclinic class of #2812
automorphismAut(G) order 4194304
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C26×C42

Aliases

direct productC2×#2815

Subgroups

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

1887 conjugacy classes of subgroups; only the 487 normal subgroups are shown.

normal subgroups only

This group has 1887 conjugacy classes of subgroups — too many to draw. Only its 487 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) = 128

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

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111322, #111931, #131304, …
maximal normal subgroup of#111322, #111931, #131304, …
maximal quotient ofC2×#14621, C2×#14623, C2×#14630, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29635);