Finite Group Databasebeta

(C2×#11764049)⋊C8 #31797791

order17536
automorphism?
homologyAbelianization (H1) = C82 · Schur multiplier (H2) = C22×C4

Aliases

unambiguous semidirect product(C2×#11764049)⋊C8

Splittings

FittingC2×C8×C137 ⋊ C8
SylowC137 ⋊ #1273

Subgroups

subgroupG/H
center, FrattiniC2×C4C2×#11764049
commutatorC2×C137C82
FittingC2×C8×C137C8
socleC22×C137C4×C8
prime radicalC22×D137C42
cosocleC2×C4×#10587739C22
hypercenterC2×C8#11764049
hypocenterC137#1273
LCSG ▷ C2×C137 ▷ C137
UCSC1 ◁ C2×C4 ◁ C2×C8

212 conjugacy classes of subgroups; only the 85 normal subgroups are shown.

normal subgroups only

This group has 212 conjugacy classes of subgroups — too many to draw. Only its 85 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 2192

Polycyclic presentation:

2^7,137|a^2=d,b^2=e,d^2=f,e^2=g,b^a=bc,h^a=h^127,h^d=h^100,h^f=h^136

Conjugacy classes & character table

352 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 21512);