Finite Group Databasebeta

D55⋊D55 #27130997

order12100
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD55⋊D55

Splittings

Fitting, socle, derived, HallC52×C112 ⋊ C22
SylowC112 ⋊ D52
SylowC52 ⋊ D112

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC52×C112C22
LCSG ▷ C52×C112
UCSC1

146 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2^2,5^2,11^2|d^a=d^4,e^a=e^10,f^a=f^10,c^b=c^4,f^b=f^10

Conjugacy classes & character table

811 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#49137581, #49137609, C3×D55⋊D55, …
maximal normal subgroup ofC3×D55⋊D55
maximal quotient ofC3×D55⋊D55, #49137774, D55⋊D165, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(12100, 276);