Finite Group Databasebeta

C22×C22⋊C4×C257 #30656381

order16448
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C23×C4×C257 · Schur multiplier (H2) = C27

Aliases

direct productC22×C22⋊C4×C257

Subgroups

subgroupG/H
center, socleC24×C257C22
commutatorC2C23×C4×C257
Frattini, cosocleC22C24×C257
prime radicalC25×C257C2
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C24×C257 ◁ G

674 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8224

Conjugacy classes & character table

10280 conjugacy classes. The character table is too large to display.

Relationships

Fitting subgroup of#45662542, #45662557, #45662559, …
maximal subgroup ofC22⋊#95×C257, #1437×C257, #1438×C257, …
maximal normal subgroup ofC22⋊#95×C257, #1437×C257, #1438×C257, …
maximal quotient ofC22×#95×C257, C2×C4×C22⋊C4×C257, C2×#379×C257, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 193);