Finite Group Databasebeta

C2×D7747 #44526465

order30988
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD15494
direct productC2×D7747
unambiguous semidirect product(C2×C61)⋊D127
unambiguous semidirect product(C2×C127)⋊D61

Splittings

Fitting, socleC2×C61×C127 ⋊ C2
derived, HallC61×C127 ⋊ C22
SylowC127 ⋊ C2×D61
SylowC61 ⋊ C2×D127

Subgroups

subgroupG/H
center, hypercenterC2D7747
commutator, cosocle, hypocenterC61×C127C22
FrattiniC1G
Fitting, socleC2×C61×C127C2
LCSG ▷ C61×C127
UCSC1 ◁ C2

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 190
transitive degreeμt(G) = 15494

A minimal faithful permutation representation — 2 generators on 190 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63)(64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190);(4,63)(5,62)(6,61)(7,60)(8,59)(9,58)(10,57)(11,56)(12,55)(13,54)(14,53)(15,52)(16,51)(17,50)(18,49)(19,48)(20,47)(21,46)(22,45)(23,44)(24,43)(25,42)(26,41)(27,40)(28,39)(29,38)(30,37)(31,36)(32,35)(33,34)(65,190)(66,189)(67,188)(68,187)(69,186)(70,185)(71,184)(72,183)(73,182)(74,181)(75,180)(76,179)(77,178)(78,177)(79,176)(80,175)(81,174)(82,173)(83,172)(84,171)(85,170)(86,169)(87,168)(88,167)(89,166)(90,165)(91,164)(92,163)(93,162)(94,161)(95,160)(96,159)(97,158)(98,157)(99,156)(100,155)(101,154)(102,153)(103,152)(104,151)(105,150)(106,149)(107,148)(108,147)(109,146)(110,145)(111,144)(112,143)(113,142)(114,141)(115,140)(116,139)(117,138)(118,137)(119,136)(120,135)(121,134)(122,133)(123,132)(124,131)(125,130)(126,129)(127,128)

Conjugacy classes & character table

7750 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD30988
maximal normal subgroup ofD30988
maximal quotient ofDic15494, D30988

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30988, 11);