Finite Group Databasebeta
Cayley diagram

C2×#1593 #17888

order256
nilpotency class3
isoclinismisoclinic class of #468
automorphismAut(G) order 32768
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

direct productC2×#1593

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC2×C4C23×C4
Frattini, cosocleC42C24
socle, prime radicalC23C4×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

327 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 327 conjugacy classes of subgroups — too many to draw. Only its 175 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) = 26
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 26 points:

(1,2);(3,4,7,5,6,8,10,9)(11,12)(13,19)(14,22)(15,17)(16,20)(18,24)(21,26)(23,25);(4,8)(5,9)(11,13,15,21)(12,16,17,25)(14,23,24,20)(18,26,22,19);(3,5,7,8,6,9,10,4)(12,17)(16,25)(18,22)(19,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#128739, #128743, #128754, …
maximal normal subgroup of#128739, #128743, #128754, …
maximal quotient ofC2×#8209, C2×#8287, C4×#1593, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 10876);